{"title":"Korf Audio","description":"\u003cp\u003e Korf Audio is a manufacturer specializing in the development and production of high-precision tonearms for analog playback. Founder \u003cstrong\u003eAlexey Kornienkov\u003c\/strong\u003e follows a strictly engineering-based approach: Every design decision is based on mechanical, geometric, and material considerations – not on sonic ideology or tradition.\u003c\/p\u003e\n\n\u003ch3\u003e Precise storage: optimized separately horizontally and vertically.\u003c\/h3\u003e\n\n \u003cp\u003eA key feature of Korf tonearms is the \u003cstrong\u003econsistently implemented bearing design for horizontal and vertical movement\u003c\/strong\u003e .\u003cbr\u003e For the \u003cstrong\u003ehorizontal axis\u003c\/strong\u003e , highly precise, backlash-free ceramic ball bearings with extremely low friction are used. They allow absolutely free movement of the tonearm along the groove modulation and ensure precise guidance with minimal starting torque – essential for exact channel balance and low distortion.\u003c\/p\u003e\n\n\u003cp\u003e The \u003cstrong\u003evertical support\u003c\/strong\u003e is implemented using \u003cstrong\u003eflexure pivot bearings.\u003c\/strong\u003e This type of bearing has virtually no friction and therefore almost no breakaway torque.\u003cbr\u003e\u003cbr\u003e This ensures that the needle remains stable in the groove even with complex height modulations and high dynamic peaks, without unwanted micro-movements or bearing resonances.\u003c\/p\u003e\n\n \u003cp\u003eThe clear separation of the two axes \u003cstrong\u003eminimizes mechanical couplings, cross-resonances and energy losses\u003c\/strong\u003e – a crucial advantage over simplified bearing concepts.\u003c\/p\u003e\n\n\u003ch3\u003e Materials: Stiffness, damping and stability\u003c\/h3\u003e\n\n\u003cp\u003e Korf Audio also follows a clear technical concept in its choice of materials. Depending on the model, the \u003cstrong\u003etonearm tubes\u003c\/strong\u003e are made of high-strength stainless steel, ceramic, or sapphire to achieve an optimal balance of stiffness, mass, and internal damping. The goal is not maximum damping, but rather a controlled energy flow without uncontrolled resonance spectra.\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e Models such as the \u003cstrong\u003eTA-SF\u003c\/strong\u003e , \u003cstrong\u003eTA-AF\u003c\/strong\u003e , as well as the \u003cstrong\u003eTA-SF9R and TA-SF11R Series II\u003c\/strong\u003e are exemplary of this approach: technically sober, precisely executed and completely designed for low-distortion and low-resonance sampling.\u003c\/p\u003e\n\n\u003ch3\u003e Conclusion\u003c\/h3\u003e\n\n \u003cp\u003eKorf Audio caters to analog enthusiasts who understand a tonearm as \u003cstrong\u003ea precision mechanical instrument\u003c\/strong\u003e . The combination of sophisticated bearing technology and clearly defined material selection makes Korf tonearms tools that consistently unlock the potential of high-quality cartridges – neutrally and with control.\u003c\/p\u003e","products":[{"product_id":"korf-audio-ta-sf9-tonarm-series-ii","title":"Korf Audio TA-SF9 Tonearm Series II","description":"\u003ch2\u003e \u003cstrong\u003eWe mean\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eKorf Audio TA-SF9 Series II\u003c\/strong\u003e tonearm is designed for listeners who value mechanical precision over sonic gimmicks. It follows an uncompromising technical approach, where the bearing design, material selection, and geometry are consistently optimized for low friction, controlled resonances, and clean energy dissipation. Sonically, the TA-SF9 is calm, structured, and free of any emphasis. It's not a tonearm that tries to impress – but one that works unobtrusively and effectively.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e \u003cstrong\u003eProduct presentation\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n \u003cp\u003eThe TA-SF9 Series II is a 9-inch tonearm with medium effective mass, designed for a wide range of modern moving-coil and moving-magnet cartridges. At the heart of its construction is the horizontal \u003cstrong\u003eFlexure pivot bearing\u003c\/strong\u003e , which operates entirely without conventional plain or ball bearings. Instead, horizontal movement is achieved via an elastic metal structure that exhibits virtually no breakaway torque and mechanical friction.\u003c\/p\u003e\n\n\u003cp\u003e A precise hybrid ceramic bearing handles the vertical movement. This combination allows for extremely sensitive stylus movements, even with small modulations, without introducing mechanical noise or bearing artifacts into the system.\u003c\/p\u003e\n\n \u003cp\u003eThe tonearm tube is made of stainless steel and is rigidly bonded to an aluminum oxide ceramic headshell. This rigid, homogeneous unit eliminates transitions that could store or reflect energy. Internal wiring uses high-quality OCC stranded wire, which runs continuously from the headshell to the 5-pin connector.\u003c\/p\u003e\n\n\u003cp\u003e The Series II version brings revised adjustment options for azimuth and VTA, an optimized base, and higher reproducibility in the setting.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e \u003cstrong\u003eSpecial features \/ Features\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n\u003cp\u003e Flexure pivot horizontal bearing\u003cbr\u003e The horizontal bearing operates entirely without friction surfaces. There is no breakaway torque, no bearing noise, and no wear. Especially during quiet passages and with warped records, tracking remains stable and controlled.\u003c\/p\u003e\n\n\u003cp\u003e Hybrid ceramic vertical bearings \u003cbr\u003eThe vertical movement is achieved via high-precision ceramic bearings with very low friction and high long-term stability. This ensures that the needle guidance remains precise even with dynamically demanding materials.\u003c\/p\u003e\n\n\u003cp\u003e Ceramic headshell\u003cbr\u003e The integrated headshell made of alumina-ceramic combines high rigidity with very low inherent resonance. The firm connection to the tonearm tube prevents micro-movements and ensures clean impulse transmission.\u003c\/p\u003e\n\n\u003cp\u003e Magnetic anti-skating\u003cbr\u003e The antiskating mechanism works without contact, using magnetic force. This eliminates additional friction points or mechanical noise that could affect tracking performance.\u003c\/p\u003e\n\n\u003cp\u003e High system compatibility\u003cbr\u003e With an effective mass of around 19 g, the TA-SF9 is suitable for many modern MC systems as well as for selected MM cartridges.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e \u003cstrong\u003eTechnology \u0026amp; Materials\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n \u003cp\u003eThe tonearm is designed as a complete mechanical system. Stainless steel arm tube, ceramic headshell, precision bearings, and stable base work together seamlessly. The material mix is ​​deliberately chosen to dissipate resonances in a controlled manner, rather than dampening them.\u003c\/p\u003e\n\n\u003cp\u003e Internal wiring uses oxygen-free copper in a Litz configuration. Transitions and connectors are minimized. The base clamps the tonearm securely in the turntable chassis to prevent energy loss through micro-movements.\u003c\/p\u003e\n\n\u003cp\u003e All mechanical components are precisely manufactured, without decorative elements or superfluous controls.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e \u003cstrong\u003eSustainability \u0026amp; Manufacturing\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n\u003cp\u003e Korf Audio manufactures in small batches, focusing on durability and serviceability. The TA-SF9 is entirely mechanically constructed, without exotic or short-lived components. Bearings, wiring, and adjustment elements are designed for long-term use. The design follows functional principles and avoids fleeting trends.\u003c\/p\u003e\n\n\u003chr\u003e\n\n \u003ch2\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp\u003e \u003cstrong\u003eTonearm length (effective)\u003c\/strong\u003e 229 mm\u003cbr\u003e \u003cstrong\u003ePivot-to-spindle distance\u003c\/strong\u003e 214 mm\u003cbr\u003e \u003cstrong\u003eOffset angle\u003c\/strong\u003e 22 degrees\u003cbr\u003e \u003cstrong\u003eEffective mass\u003c\/strong\u003e approx. 19 g\u003cbr\u003e \u003cstrong\u003eHeadshell material\u003c\/strong\u003e alumina ceramic\u003cbr\u003e \u003cstrong\u003eArm tube material:\u003c\/strong\u003e stainless steel\u003cbr\u003e \u003cstrong\u003eHorizontal bearing\u003c\/strong\u003e flexure pivot\u003cbr\u003e \u003cstrong\u003eVertical storage\u003c\/strong\u003e hybrid ceramic\u003cbr\u003e Magnetic \u003cstrong\u003eanti-skating\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eInternal cabling\u003c\/strong\u003e OCC-Litz\u003cbr\u003e 5-pin DIN \u003cstrong\u003econnector\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eMaximum system weight without additional weight\u003c\/strong\u003e approx. 15 g\u003cbr\u003e \u003cstrong\u003eMaximum system weight with additional weight\u003c\/strong\u003e approx. 25 g\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e \u003cstrong\u003eTest reports \/ Press reviews\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n \u003cp\u003eIn German specialist reviews, the TA-SF9 is described as exceptionally well-engineered. The frictionless bearing design and the calm, controlled sound reproduction are particularly praised. The sonic characteristics are described as neutral, precise, and structured, with stable soundstage imaging and clean bass control.\u003c\/p\u003e\n\n\u003cp\u003e It is repeatedly emphasized that the tonearm adds no coloration of its own, but rather makes differences between cartridges clearly audible. The simple, reproducible setup of the Series II is cited as a significant improvement over previous versions.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e \u003cstrong\u003eBackground \/ History \/ Development\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n \u003cp\u003eKorf Audio originated from the approach of technically rethinking classic tonearm concepts. Instead of varying proven bearing designs, they developed the Flexure pivot bearing, a solution that fundamentally eliminates mechanical friction. The TA-SF9 is one of the best-known results of this development philosophy and has been refined through several iterations. The Series II represents an evolutionary development, not a complete redesign.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e \u003cstrong\u003eBasic knowledge\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n\u003cp\u003e Flexure bearings\u003cbr\u003e A flexure bearing utilizes the elastic deformation of a metal instead of rotating bearing surfaces. This results in virtually no friction and no wear.\u003c\/p\u003e\n\n\u003cp\u003e Effective mass\u003cbr\u003e The effective mass of a tonearm determines which cartridges are mechanically the best fit. Medium-high values ​​allow for greater flexibility in cartridge selection.\u003c\/p\u003e\n\n\u003cp\u003e Antiskating\u003cbr\u003e Antiskating counteracts the inward pulling force when playing a record. Magnetic systems operate without contact and friction.\u003c\/p\u003e","brand":"Korf","offers":[{"title":"JIS","offer_id":56474034307447,"sku":null,"price":2200.0,"currency_code":"EUR","in_stock":true},{"title":"SME","offer_id":56474034340215,"sku":null,"price":2400.0,"currency_code":"EUR","in_stock":true},{"title":"JIS + SME","offer_id":56474034372983,"sku":null,"price":2570.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3567\/9607\/files\/Side-view_jpg.webp?v=1767704749"},{"product_id":"korf-audio-ta-sf9r-tonarm-series-ii","title":"Korf Audio TA-SF9R Tonearm Series II","description":"\u003ch2\u003eWe mean\u003c\/h2\u003e\n\n\u003cp\u003e The \u003cstrong\u003eKorf Audio TA-SF9R Series II tonearm\u003c\/strong\u003e is a 9-inch tonearm with an interchangeable ceramic headshell that combines technical rigor with audiophile clarity. Where many tonearms rely on conventional bearing and adjustment concepts, the TA-SF9R pursues a mechanical approach that systematically minimizes bearing friction, energy storage in the tube, and resonance triggers. Sonically, it is analytical, precise, and neutral with an open, serene character – not an effects unit, but a tool for clean signal transmission and musical detail.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Product presentation\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eKorf Audio TA-SF9R Series II tonearm\u003c\/strong\u003e is a 9-inch tonearm for high-quality turntable systems. It utilizes a horizontal \u003cstrong\u003eFlexure pivot bearing\u003c\/strong\u003e , which eliminates the need for conventional roller or slide bearings and exhibits virtually no breakaway torque. Vertically, a hybrid ceramic bearing operates with very low friction and high precision. This combination of mechanics aims to keep the arm's mechanical movement as pure as possible.\u003c\/p\u003e\n\n\u003cp\u003e Unlike the fixed headshell of the TA-SF9, the TA-SF9R features an \u003cstrong\u003einterchangeable ceramic headshell (HS-A03)\u003c\/strong\u003e . This headshell is an integral part of the system, not just an adapter, and contributes to overall rigidity. Ceramic as a material offers a high resonant frequency and reduces unwanted vibrations in the critical transition area between the tonearm tube and the cartridge.\u003c\/p\u003e\n\n \u003cp\u003eThe \u003cstrong\u003etonearm tube itself is made of stainless steel\u003c\/strong\u003e , which, compared to aluminum or titanium, allows for significantly higher flexural rigidity and lower energy storage. The internal wiring is also of high quality, which benefits the purity of the signal path.\u003c\/p\u003e\n\n\u003cp\u003e Adjustment functions for azimuth, VTA, and skating are clearly structured, with the Series II version featuring more sensitive adjustment mechanisms. Mounting can be achieved via a JIS\/Linn base or an SME sliding base, depending on the turntable configuration.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Special features \/ Features\u003c\/h2\u003e\n\n\u003cp\u003e Interchangeable ceramic headshell – The HS-A03 ceramic headshell provides a rigid, low-resonance connection between the tonearm tube and cartridge. In listening tests, it demonstrated significant advantages in focus, transparency, and detail resolution compared to traditional metal headshells.\u003c\/p\u003e\n\n \u003cp\u003eFlexure pivot horizontal bearings – Non-contact horizontal guidance without conventional bearing surfaces, no breakaway torque, no friction. This bearing technology contributes to needle guidance control, especially with complex signals.\u003c\/p\u003e\n\n\u003cp\u003e Hybrid ceramic vertical bearings – Vertical guidance with low friction and high long-term stability, which also promotes fine detail and smooth movement.\u003cbr\u003e\u003cbr\u003e Magnetic antiskating – Non-contact skating compensation that balances lateral deflection without introducing mechanical friction into the system.\u003c\/p\u003e\n\n\u003cp\u003e Stainless steel arm tube – High stiffness and low energy storage in the tube body, improves resonance management and impulse transmission.\u003c\/p\u003e\n\n\u003cp\u003e Flexible mounting options – choice between JIS or SME sliding base depending on the turntable model.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Technology \u0026amp; Materials\u003c\/h2\u003e\n\n \u003cp\u003eThe Flexure pivot bearing technology eliminates contact surfaces in the horizontal bearing, minimizing unwanted mechanical artifacts. Vertical movement is guided by precision ceramic bearings that offer both low starting torque and long-lasting stability. The internal wiring is designed to maximize signal integrity and minimize interference at an early stage. All materials and manufacturing processes are based on functional criteria, not on superficial aesthetics.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Sustainability \u0026amp; Manufacturing\u003c\/h2\u003e\n\n\u003cp\u003e Korf Audio manufactures in small batches with a focus on durability. The mechanical components are designed not only to deliver high precision but also to remain stable for years. Maintenance-free bearings, robust materials, and easy-to-service adjustment elements make the TA-SF9R a product that doesn't react to short-lived trends but is designed for long-term use.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Technical specifications\u003c\/h2\u003e\n\n\u003cp\u003e \u003cstrong\u003eTonearm length (effective)\u003c\/strong\u003e 229 mm \u003cbr\u003e\u003cstrong\u003ePivot-to-spindle distance\u003c\/strong\u003e 214 mm\u003cbr\u003e \u003cstrong\u003eOffset angle\u003c\/strong\u003e 22 degrees\u003cbr\u003e \u003cstrong\u003eEffective mass (without headshell)\u003c\/strong\u003e approx. 18 g\u003cbr\u003e \u003cstrong\u003eEffective mass (with headshell)\u003c\/strong\u003e approx. 28 g\u003cbr\u003e \u003cstrong\u003eHeadshell material:\u003c\/strong\u003e ceramic (replaceable, HS-A02)\u003cbr\u003e \u003cstrong\u003eArm tube material:\u003c\/strong\u003e stainless steel\u003cbr\u003e \u003cstrong\u003eHorizontal bearing\u003c\/strong\u003e flexure pivot\u003cbr\u003e \u003cstrong\u003eVertical storage\u003c\/strong\u003e hybrid ceramic\u003cbr\u003e Magnetic \u003cstrong\u003eanti-skating\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eInternal cabling\u003c\/strong\u003e OCC-Litz\u003cbr\u003e 5-pin DIN \u003cstrong\u003econnector\u003c\/strong\u003e\u003cbr\u003e JIS\/Linn \u003cstrong\u003emounting base\u003c\/strong\u003e and\/or SME sliding base\u003cbr\u003e \u003cstrong\u003eTotal weight\u003c\/strong\u003e approx. 350 g (without cable)\u003cbr\u003e 3-year \u003cstrong\u003ewarranty\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Test reports \/ Press reviews\u003c\/h2\u003e\n\n \u003cp\u003eIn independent listening tests, \u003cstrong\u003eAnalogPlanet\u003c\/strong\u003e highlights that the TA-SF9R delivers exceptional clarity and detail without coloring the sound \"heavy\" or \"romantic.\" The presentation is open, clean, and dynamic, with controlled bass and a deep, calm soundstage.\u003c\/p\u003e\n\n\u003cp\u003e According to Analog reviewers, the arm feels smoother and more fluid compared to classic Jelco tonearms, with less background noise and greater precision in the rendering of instrument spaces and transients.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Background \/ History \/ Development\u003c\/h2\u003e\n\n \u003cp\u003eThe TA-SF9R was developed based on the observation that many tonearms adhere to established mechanical designs, despite their inherent limitations in friction, bearing guidance, and resonance management. Korf Audio therefore opted for a Flexure pivot system and ceramic as the material for critical connections. The Series II version also features a revised azimuth adjustment and an optimized tonearm shaft to further enhance precision.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Basic knowledge\u003c\/h2\u003e\n\n\u003cp\u003e Flexure bearings\u003cbr\u003e A flexure bearing utilizes the elastic deformation of a solid element instead of rolling or sliding surfaces. This results in virtually no friction or breakaway torque, leading to a mechanically smoother movement.\u003c\/p\u003e\n\n\u003cp\u003e Effective mass\u003cbr\u003e The effective mass of a tonearm determines its mechanical compatibility with different cartridges. A moderate value allows for a wider range of cartridges without undesirable resonance peaks.\u003c\/p\u003e\n\n\u003cp\u003e Antiskating \u003cbr\u003eAntiskating counteracts the inward force exerted when playing records. Magnetic solutions work without contact and without additional mechanical friction.\u003c\/p\u003e","brand":"Korf","offers":[{"title":"JIS","offer_id":56474045972855,"sku":null,"price":2600.0,"currency_code":"EUR","in_stock":true},{"title":"SME","offer_id":56474046005623,"sku":null,"price":2800.0,"currency_code":"EUR","in_stock":true},{"title":"JIS + SME","offer_id":56474046038391,"sku":null,"price":2870.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3567\/9607\/files\/P5070938.jpg-2.webp?v=1767705254"},{"product_id":"korf-audio-ta-sf11r-tonarm-series-ii","title":"Korf Audio TA-SF11R Tonearm Series II","description":"\u003ch2\u003e We mean\u003c\/h2\u003e\n\n\u003cp\u003e The \u003cstrong\u003eKorf Audio TA-SF11R Series II tonearm\u003c\/strong\u003e is an 11-inch tonearm that combines technical precision and flexible mounting options for demanding vinyl playback. It is designed for listeners who value robust mechanics, sensitive bearing guidance, and clear, unadulterated signal reproduction. Sonically, it is open and offers excellent control over dynamics and soundstage, without any added coloration or artificial effects. It is aimed at users seeking a solid, durable tonearm that also works well with medium to heavy cartridges.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Product presentation\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eKorf Audio TA-SF11R Tonearm Series II\u003c\/strong\u003e is an 11-inch tonearm with an effective length of 278 mm and a pivot-to-spindle distance of 265 mm, making it compatible with classic turntables as well as modern high-end drives.\u003c\/p\u003e\n\n\u003cp\u003e As with the other SF models, Korf Audio uses a horizontal \u003cstrong\u003eFlexure pivot bearing\u003c\/strong\u003e in the TA-SF11R, which eliminates the need for conventional plain or ball bearings and exhibits virtually no breakaway torque. This horizontal bearing guide operates without contact and is designed to largely eliminate mechanical friction and disruptive artifacts. Vertically, the movement is guided by a precision hybrid ceramic bearing, offering high accuracy and low friction.\u003c\/p\u003e\n\n \u003cp\u003eThe \u003cstrong\u003etonearm tube is made of stainless steel\u003c\/strong\u003e , which, compared to aluminum or titanium, offers high flexural rigidity and lower energy storage. Combined with an \u003cstrong\u003einterchangeable ceramic headshell (HS-A03),\u003c\/strong\u003e this creates a stable, low-resonance connection between the tonearm and cartridge. Internal wiring utilizes high-quality OFC Litz cables and terminates in a 5-pin DIN connector.\u003c\/p\u003e\n\n\u003cp\u003e Mounting options include both JIS\/Linn bases and SME sliding bases, depending on the turntable configuration. The Series II features redesigned azimuth and VTA adjustments with finer adjustment capabilities, as well as a new stainless steel tonearm shaft.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Special features \/ Features\u003c\/h2\u003e\n\n\u003cp\u003e \u003cstrong\u003eFlexure pivot horizontal bearings\u003c\/strong\u003e – horizontal guidance without classic bearing surfaces, no breakaway torque and no additional friction contribute to controlled movements.\u003cbr\u003e \u003cbr\u003e\u003cstrong\u003eHybrid ceramic vertical bearing\u003c\/strong\u003e – vertical guidance with very low friction and high precision to support needle guidance without mechanical artifacts.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eInterchangeable ceramic headshell (HS-A03)\u003c\/strong\u003e – rigid, low-resonance connection between arm tube and cartridge, promotes sound clarity and detail resolution.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eStainless steel arm tube\u003c\/strong\u003e – high bending stiffness and reduced energy storage in the tube body for controlled resonance characteristics and impulse transmission.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eMagnetic antiskating\u003c\/strong\u003e – contactless compensation of laterally acting forces during scanning without additional mechanical interference points.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eFlexible mounting options\u003c\/strong\u003e – choice of JIS\/Linn or SME base depending on turntable design and user requirements.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Technology \u0026amp; Materials\u003c\/h2\u003e\n\n \u003cp\u003eStainless steel, ceramic, and precision-machined bearings form a unit designed for minimal resonance and maximum bearing precision. Horizontal movement is achieved via a contactless Flexure pivot system, whose elasticity allows for controlled movements without introducing additional friction or maintenance points. Vertically, a hybrid ceramic bearing with very low friction ensures smooth, clean needle guidance. The internal wiring utilizes oxygen-free copper strands.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Sustainability \u0026amp; Manufacturing\u003c\/h2\u003e\n\n\u003cp\u003e Korf Audio manufactures in manageable batches, focusing on durability and mechanical stability. Maintenance-free bearings, robust materials, and user-friendly adjustment elements make the TA-SF11R a product designed for long-term use. There are no artificial effects or trendy design elements; instead, functional integrity for a long service life is paramount.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Technical specifications\u003c\/h2\u003e\n\n \u003cp\u003e\u003cstrong\u003eTonearm length (effective)\u003c\/strong\u003e 278 mm\u003cbr\u003e \u003cstrong\u003ePivot-to-spindle distance\u003c\/strong\u003e 265 mm\u003cbr\u003e \u003cstrong\u003eOffset angle\u003c\/strong\u003e 19 degrees\u003cbr\u003e \u003cstrong\u003eEffective mass without headshell\u003c\/strong\u003e approx. 19 g\u003cbr\u003e \u003cstrong\u003eEffective mass with HS-A02 headshell\u003c\/strong\u003e approx. 29 g\u003cbr\u003e \u003cstrong\u003eHorizontal bearing\u003c\/strong\u003e flexure pivot\u003cbr\u003e \u003cstrong\u003eVertical bearing\u003c\/strong\u003e hybrid ceramic rolling bearing\u003cbr\u003e \u003cstrong\u003eArm tube material:\u003c\/strong\u003e stainless steel\u003cbr\u003e \u003cstrong\u003eHeadshell material \/ type:\u003c\/strong\u003e ceramic \/ interchangeable (Ortofon\/SME\/JIS compatibility)\u003cbr\u003e JIS\/Linn \u003cstrong\u003emounting base\u003c\/strong\u003e and\/or SME sliding base\u003cbr\u003e \u003cstrong\u003eInternal cabling\u003c\/strong\u003e OFC Litz\u003cbr\u003e 5-pin MDI \u003cstrong\u003econnector\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eMinimum system weight\u003c\/strong\u003e 10 g\u003cbr\u003e \u003cstrong\u003eMaximum system weight\u003c\/strong\u003e 35 g\u003cbr\u003e \u003cstrong\u003eWeight without headshell and base\u003c\/strong\u003e approx. 360 g\u003cbr\u003e 3-year \u003cstrong\u003ewarranty\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Test reports \/ Press reviews\u003c\/h2\u003e\n\n \u003cp\u003eIndependent test results for this specific model are currently unavailable in established hi-fi magazines in German-speaking countries. However, model comparisons show that the TA-SF11R is considered technically well-balanced and possesses solid mechanical precision within the industry, particularly when used with longer tonearms featuring pure transcription geometries designed for excellent compliance, even with heavy cartridges.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Background \/ History \/ Development\u003c\/h2\u003e\n\n\u003cp\u003e The TA-SF11R builds on Korf Audio's philosophy of rethinking classic tonearm designs by reducing mechanical friction and controlling resonances. Its development utilizes decades of experience with Flexure pivot technology and ceramic materials to deliver a stable, precise tracking system. The Series II version features redesigned alignment mechanisms and enhanced structural integrity.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Basic knowledge\u003c\/h2\u003e\n\n\u003cp\u003e Flexure bearings \u003cbr\u003eA Flexure bearing uses elastic deformation instead of rotating parts to enable frictionless movement. This reduces mechanical artifacts and wear.\u003c\/p\u003e\n\n\u003cp\u003e Effective mass\u003cbr\u003e The effective mass of a tonearm describes its mechanical inertia and determines which cartridge compliance is the best mechanical fit.\u003c\/p\u003e\n\n\u003cp\u003e Antiskating\u003cbr\u003e Antiskating compensates for the inward-acting side that occurs when playing a record; magnetic systems operate without additional friction.\u003c\/p\u003e","brand":"Korf","offers":[{"title":"JIS","offer_id":56474071499127,"sku":null,"price":3000.0,"currency_code":"EUR","in_stock":true},{"title":"SME","offer_id":56474071531895,"sku":null,"price":3200.0,"currency_code":"EUR","in_stock":true},{"title":"JIS + SME","offer_id":56474071564663,"sku":null,"price":3270.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3567\/9607\/files\/Korf_Audio_Tonarm_TA-SF11R_Series_II_Ansicht_Seite.webp?v=1767771915"},{"product_id":"korf-audio-ta-af9-ta-af10","title":"Korf Audio TA-AF9 \/ TA-AF10 Tonearm Series II","description":"\u003ch2\u003e We mean\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eKorf Audio TA-AF9\/10 Tonearms Series II\u003c\/strong\u003e is a technically unconventional tonearm with a continuous ceramic \u003cstrong\u003earm tube\u003c\/strong\u003e and \u003cstrong\u003eheadshell\u003c\/strong\u003e , combining mechanical innovation with audiophile fidelity. Where many tonearms vary classic metal and bearing combinations, the TA-AF9\/10 consistently relies on high-strength ceramic and a low-friction horizontal bearing, complemented by precise silicon nitride vertical bearings. Sonically, it presents itself as open, direct, and with astonishing control over dynamics and detail, without any \"ornamental\" tonal coloration. In this tonearm, a clear, objective approach meets a result that surpasses many traditional concepts.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Product presentation\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eKorf Audio TA-AF9\/10 Tonearms Series II\u003c\/strong\u003e are available in two effective lengths – 9 inches and 10 inches – at no extra cost, and feature a uniform construction made of alumina-ceramic. Both the arm tube and headshell are constructed from this highly rigid material, which, compared to steel or aluminum tubes, exhibits significantly higher flexural strength and reduced resonance. This material strategy is designed to minimize mechanical energy loss and effectively dissipate resonances.\u003cbr\u003e In the horizontal bearing area, a \u003cstrong\u003eFlexure pivot system\u003c\/strong\u003e is used. Instead of a conventional bearing with balls or sliding surfaces, a torsionally rigid structure is employed, resulting in virtually no starting torque, friction, or mechanical wear. Vertically, the tonearm utilizes ceramic ball bearings, which are among the ceramic ball bearings with the lowest known breakaway torques and offer very high precision in vertical movements.\u003c\/p\u003e\n\n \u003cp\u003eThe TA-AF9\/10's adjustments include VTA, overhang, and azimuth. The Series II version offers more precise adjustments, especially for azimuth, and a robust, easy-to-mount base that can be used with either a JIS\/Linn flange or an SME sliding base. Internal wiring consists of 6N OCC Litz conductors with light shielding.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Special features \/ Features\u003c\/h2\u003e\n\n\u003cp\u003e Ceramic arm tube – Arm tube made of alumina ceramic with high flexural strength, minimizing mechanical energy losses and self-resonances.\u003c\/p\u003e\n\n\u003cp\u003e Integrated ceramic headshell – Headshell also made of ceramic, which increases structural integrity and reduces unwanted inter-resonances.\u003c\/p\u003e\n\n\u003cp\u003e Flexure-Pivot horizontal bearings – contactless horizontal guidance without classic bearing surfaces, virtually no breakaway torque, no friction, maintenance-free.\u003c\/p\u003e\n\n\u003cp\u003e Ceramic ball vertical bearings – Ceramic bearings with very low coefficient of friction and high precision, supporting a clean vertical movement without micro-backlash.\u003c\/p\u003e\n\n \u003cp\u003eMagnetic antiskating – contactless skating compensation without additional friction points in the signal path.\u003c\/p\u003e\n\n\u003cp\u003e Flexible mounting – choice between JIS\/Linn flange and SME sliding base, depending on turntable configuration.\u003c\/p\u003e\n\n\u003cp\u003e Fine adjustment of azimuth – Series II mechanism with more sensitive azimuth adjustment range.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Technology \u0026amp; Materials\u003c\/h2\u003e\n\n\u003cp\u003e The ceramic construction of the TA-AF9\/10 is not merely a cosmetic effect, but a deliberate choice of material: Alumina ceramic has a significantly higher stiffness relative to its weight than steel and even greater advantages over aluminum or titanium. This stiffness is intended to ensure that mechanical energy is not stored in the tube, but rather transferred in a controlled manner to the turntable chassis.\u003c\/p\u003e\n\n \u003cp\u003eHorizontal movement is achieved via a Flexure pivot bearing, which operates without conventional friction surfaces and therefore has no starting torque. Vertically, a pair of silicon nitride ceramic bearings ensures precise, low-friction guidance. The internal wiring consists of high-quality 6N OCC Litz cables with light shielding, routed to minimize transitions and contact points. The mounting base clamps the tonearm securely and stably in the turntable chassis to minimize mechanical energy loss.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Sustainability \u0026amp; Manufacturing\u003c\/h2\u003e\n\n \u003cp\u003eKorf Audio manufactures the TA-AF9\/10 in limited production runs, focusing on mechanical precision and durability. Maintenance-free bearings, high-strength materials, and user-friendly adjustment elements are selected to ensure the tonearm operates reliably for years and remains mechanically unchanged even after intensive use. There are no fashionable design gimmicks; instead, every design decision serves a clear technical function.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Technical specifications\u003c\/h2\u003e\n\n\u003cp\u003e \u003cstrong\u003eModel variants\u003c\/strong\u003e TA-AF9 (9 inch) \/ TA-AF10 (10 inch)\u003cbr\u003e \u003cstrong\u003eEffective length\u003c\/strong\u003e 229 mm (TA-AF9) \/ 245 mm (TA-AF10)\u003cbr\u003e \u003cstrong\u003ePivot-to-spindle distance\u003c\/strong\u003e 214 mm (TA-AF9) \/ 230 mm (TA-AF10)\u003cbr\u003e \u003cstrong\u003eOffset angle\u003c\/strong\u003e 22 degrees\u003cbr\u003e \u003cstrong\u003eEffective mass\u003c\/strong\u003e approx. 21 g\u003cbr\u003e \u003cstrong\u003eHorizontal bearing\u003c\/strong\u003e flexure pivot\u003cbr\u003e \u003cstrong\u003eVertical bearing\u003c\/strong\u003e silicon nitride ceramic rolling bearing\u003cbr\u003e \u003cstrong\u003eArm tube material\u003c\/strong\u003e Alumina ceramic\u003cbr\u003e \u003cstrong\u003eHeadshell material:\u003c\/strong\u003e Alumina ceramic (permanently integrated) \u003cbr\u003e\u003cstrong\u003eInternal cabling\u003c\/strong\u003e 6N OCC Litz\u003cbr\u003e \u003cstrong\u003eConnection:\u003c\/strong\u003e 5-pin DIN plug\u003cbr\u003e JIS\/Linn \u003cstrong\u003emounting base\u003c\/strong\u003e and optional SME sliding base\u003cbr\u003e \u003cstrong\u003eMinimum system weight\u003c\/strong\u003e 5 g\u003cbr\u003e \u003cstrong\u003eMaximum system weight without additional weight:\u003c\/strong\u003e 15 g\u003cbr\u003e \u003cstrong\u003eMax. system weight with additional counterweight\u003c\/strong\u003e 25 g\u003cbr\u003e \u003cstrong\u003eTotal weight\u003c\/strong\u003e approx. 350 g (TA-AF9) \/ approx. 360 g (TA-AF10)\u003cbr\u003e 3-year \u003cstrong\u003ewarranty\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Test reports \/ Press reviews\u003c\/h2\u003e\n\n\u003cp\u003e \u003cstrong\u003eLP Magazine\u003c\/strong\u003e writes about the TA-AF9\/10: “The vocals are rock-solid, nothing vibrates or wobbles. In fact, this is probably one of the most spectacular tonearm\/cartridge combinations I have encountered over the years.” This statement underscores the impression of a tonearm that impresses with unusual control over movement and tracking, and which does not restrict the cartridge's performance, but rather liberates it.\u003c\/p\u003e\n\n \u003cp\u003eIndependent reviewers highlight that the combination of ceramic tube, high-end bearing technology and consistent mechanical design results in a sound reproduction that surpasses what is typically found in this price range in many areas.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Background \/ History \/ Development\u003c\/h2\u003e\n\n\u003cp\u003e The TA-AF9\/10 was developed by Korf Audio as a logical extension of their tonearm philosophy: Based on the premise that mechanical friction, energy storage, resonances, and mass distribution fundamentally influence playback quality, this led to the use of alumina-ceramic for the arm tube and headshell, as well as the implementation of Flexure pivot and silicon nitride bearings. The Series II variant incorporates improvements in the mechanics and adjustment functions.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e Basic knowledge\u003c\/h2\u003e\n\n\u003cp\u003e Ceramic as a material – Alumina ceramic offers exceptionally high stiffness and low resonance relative to weight compared to steel, aluminum or titanium.\u003c\/p\u003e\n\n \u003cp\u003eFlexure pivot bearings – This bearing design uses elastic deformation instead of surface contact, resulting in virtually no friction, no breakaway torque and no wear.\u003c\/p\u003e\n\n\u003cp\u003e Silicon nitride bearings – High-precision ceramic ball bearings with very low coefficient of friction and high long-term stability.\u003c\/p\u003e","brand":"Korf","offers":[{"title":"JIS \/ 9 inches","offer_id":56477953261943,"sku":null,"price":3800.0,"currency_code":"EUR","in_stock":true},{"title":"JIS \/ 10 inches","offer_id":56478116053367,"sku":null,"price":3800.0,"currency_code":"EUR","in_stock":true},{"title":"SME \/ 9 inches","offer_id":56477953294711,"sku":null,"price":4000.0,"currency_code":"EUR","in_stock":true},{"title":"SME \/ 10 inches","offer_id":56478116086135,"sku":null,"price":4000.0,"currency_code":"EUR","in_stock":true},{"title":"JIS + SME \/ 9 inches","offer_id":56477953327479,"sku":null,"price":4070.0,"currency_code":"EUR","in_stock":true},{"title":"JIS + SME \/ 10 inches","offer_id":56478116118903,"sku":null,"price":4070.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3567\/9607\/files\/P6151198_jpg.webp?v=1767773695"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3567\/9607\/collections\/Logoblack-2.png?v=1767771796","url":"https:\/\/klang-maschine.de\/en\/collections\/korf-audio.oembed","provider":"Klang Maschine","version":"1.0","type":"link"}