{"title":"THÖRESS","description":"\u003cp\u003eTHÖRESS tube electronics from Aachen, Germany.\u003c\/p\u003e","products":[{"product_id":"thoress-f2a11-integrated-amplifier","title":"THÖRESS F2a11 Integrated Amplifier","description":"\u003cstrong\u003eThe THÖRESS F2a11 Integrated Amplifier embodies the essence of acoustic fidelity through its single-ended triode operation and low-power output design. By utilizing the F2a11 vacuum tube, it provides an organic sound reproduction that adheres to the principles of sonic transparency and musicality.\u003c\/strong\u003e\u003cbr\u003e\u003chr\u003e\u003cbr\u003eThe F2a11 Integrated Amplifier operates using a single-ended triode configuration, which is characterized by its simplicity in signal path and low distortion. This mode allows the amplifier to produce a warm and natural sound with low output power of 2x6 watts, making it well-suited for high-efficiency loudspeakers. The use of a vacuum tube power source ensures that the distortion characteristics are manageable while retaining harmonic richness, as tubes are capable of providing a certain coloration to the audio signal that many audiophiles appreciate. The circuit design features a minimalist zero-feedback topology, which reduces artifacts typically introduced by feedback mechanisms while preserving dynamic range and nuance of the audio. The addition of a 12SN7GT double-triode driver enhances linearity in signal amplification, contributing to the overall fidelity of the output. This amplifier exemplifies careful component selection and meticulous hand construction, ensuring both reliability and exceptional sound quality over time.\u003cbr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Ended Triode Design:\u003c\/strong\u003e Promotes low distortion and a warm, organic sound profile characteristic of tube technology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Output Power:\u003c\/strong\u003e 2x6 watts operates efficiently with high-sensitivity speakers, maximizing musical dynamics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Feedback Topology:\u003c\/strong\u003e Avoids common distortion artifacts, enhancing audio purity and detail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Potentiometers:\u003c\/strong\u003e ALPS-manufactured controls enable precise volume adjustments, further ensuring consistent channel balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandcrafted Construction:\u003c\/strong\u003e Utilizes point-to-point wiring for improved signal integrity and reliability over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Vacuum Tube Technology:\u003c\/strong\u003e Incorporates the revered F2a11 tube for superior sonics in its category.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist Inputs:\u003c\/strong\u003e Three line-level inputs optimize signal flow without unnecessary complexity, maintaining sonic clarity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOutput Power: 2x6 watts\u003c\/li\u003e\n\u003cli\u003eSpeaker Load: 4, 8, or 16 ohms\u003c\/li\u003e\n\u003cli\u003eTube Complement: F2a11 power tube, 12SN7GT driver tube\u003c\/li\u003e\n\u003cli\u003eInput Configuration: 3x2 RCA jacks\u003c\/li\u003e\n\u003cli\u003eControl Type: Rotary volume control\u003c\/li\u003e\n\u003cli\u003eManufacture Origin: Siemens \u0026amp; Halske\u003c\/li\u003e\n\u003cli\u003eConstruction: Point-to-point wiring\u003c\/li\u003e\n\u003cli\u003eTopology: Single-ended zero-feedback\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THÖRESS","offers":[{"title":"Default Title","offer_id":43088229236849,"sku":"THORF2A11IA","price":7800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/0571\/7617\/files\/thoeress-f2a11-1_7bd2c5fa-2602-4539-996f-42aaf186635f.jpg?v=1774188074"},{"product_id":"thoress-eht-hybrid-triode-mono-amplifier","title":"THÖRESS EHT Hybrid Triode Mono Amplifier - Pair","description":"\u003cstrong\u003eThe THÖRESS EHT Hybrid Triode Mono Amplifier produces robust output power with a unique hybrid topology. This design merges the best characteristics of both vacuum tube and solid-state technologies, delivering acoustic fidelity with unparalleled drive capability.\u003c\/strong\u003e\u003cbr\u003e\u003chr\u003e\u003cbr\u003eThe THÖRESS EHT Mono Amplifier utilizes a unique SINGLE-ENDED ZERO-FEEDBACK topology, known as EHT Topology, which combines a triode gain stage with a MOSFET unity gain output stage, both operated in class-A mode. The design emphasizes low output impedance and thermal stability, enabling the amplifier to drive loudspeakers with challenging impedance and efficiency characteristics effectively. By eliminating the need for iron-cored output transformers, the EHT topology reduces the voltage swing required from the driver, lowering non-linear distortion. The amplifier’s architecture allows for 30, 40, or 50 watts of output power across varying load impedances, making it adaptable to a range of speaker configurations. Moreover, meticulous hand construction and point-to-point wiring techniques enhance reliability and minimize noise, ensuring high fidelity playback that meets the demands of discerning listeners.\u003cbr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid Topology:\u003c\/strong\u003e The use of SINGLE-ENDED TRIODE combined with a MOSFET output stage provides high idle current and class-A operation, maximizing signal fidelity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Output Impedance:\u003c\/strong\u003e This design offers a high damping factor, facilitating optimal control over loudspeakers and improving transient response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist Design:\u003c\/strong\u003e The absence of feedback in the amplifier’s circuit minimizes distortion and preserves the purity of the audio signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain Adjustment:\u003c\/strong\u003e The 6-position rotary switch allows for fine-tuning the amplifier's gain, providing flexibility to tailor the output for different listening environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Stability:\u003c\/strong\u003e The absence of sound degrading protective circuitry contributes to consistent performance and durability under operational conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-the-fly Bass Boost:\u003c\/strong\u003e The bass response is enhanced in higher gain settings, tailored for an enriched listening experience without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOutput Power: 30W into 8Ω, 40W into 6Ω, 50W into 4Ω\u003c\/li\u003e\n\u003cli\u003eGain Adjustment: 10dB in positions 5 and 6 of the gain selector\u003c\/li\u003e\n\u003cli\u003eTopology: Single-ended zero-feedback vacuum tube MOSFET hybrid\u003c\/li\u003e\n\u003cli\u003eOutput Impedance: Low output resistance enabling high damping factor\u003c\/li\u003e\n\u003cli\u003eConstruction: Hand-built with point-to-point wiring\u003c\/li\u003e\n\u003cli\u003eCooling: Operates with impeccable thermal stability\u003c\/li\u003e\n\u003cli\u003eSignal Class: Class-A operation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THÖRESS","offers":[{"title":"Default Title","offer_id":43088229269617,"sku":"THOREHTHYBRIDPAPAIR","price":10800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/0571\/7617\/files\/thoeress-eht-mono-1.jpg?v=1774188076"},{"product_id":"thoress-se-845-mono-power-amplifier-pair","title":"THÖRESS SE 845 Mono Power Amplifier - Pair","description":"\u003cstrong\u003eExperience the Acoustic Truth with the THÖRESS SE 845 Mono Power Amplifier, where pure Class-A single-ended design meets the iconic 845 power triode. This amplifier translates the intricate nuances of your music into a richly-textured sonic presentation, setting a new benchmark in high-fidelity audio reproduction.\u003c\/strong\u003e\u003cbr\u003e\u003chr\u003e\u003cbr\u003eThe THÖRESS SE 845 Mono Power Amplifier exemplifies a meticulously engineered design that operates in single-ended Class-A mode utilizing the legendary 845 power triode. With an output power of up to 20 watts into various loudspeaker impedances (4, 8, or 16 ohms), the amplifier is built to handle the high-voltage swing required for optimal triode operation, approximately 300V peak-to-peak. The internal impedance of 2000 ohms presents a significant challenge for the output transformer (OPT) design. Thus, we developed a high-performance driver stage using dual EL822\/CV2382 tubes in triode mode, providing robust driving capabilities while ensuring linearity and minimal distortion. The custom OPT maximizes the amplifier’s sonic potential, employing a dual-coil winding on a proprietary C-core that minimizes distortion and enhances frequency response. Complemented by low-noise operational characteristics achieved through thoughtful circuit design and construction techniques, the SE 845 amplifier delivers a truly dynamic listening experience.\u003cbr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Ended Class-A Operation:\u003c\/strong\u003e Operates using the 845 triode in a zero-feedback configuration, maximizing harmonic integrity and producing natural sound reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Output Transformer:\u003c\/strong\u003e Designed in-house, the OPT features a dual-coil winding on an exceptionally large C-core, providing low distortion and superior frequency response across the audio spectrum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Noise Operation:\u003c\/strong\u003e DC heating of the 845 triodes and precise filament balancing eliminate hum, ensuring crystal-clear audio even with highly efficient loudspeakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Cathode Point Balance:\u003c\/strong\u003e Allows for optimization of signal current distribution across the filament for enhanced noise reduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-House Mains Transformer:\u003c\/strong\u003e Customized for various voltage specifications, it reduces body noise emission and eliminates transformer vibrations from affecting the audio circuit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOutput Power: 2x20 watts\u003c\/li\u003e\n\u003cli\u003eTube Type: 845 power triode\u003c\/li\u003e\n\u003cli\u003eOperating Mode: Single-ended Class-A\u003c\/li\u003e\n\u003cli\u003eInput Sensitivity: Low\u003c\/li\u003e\n\u003cli\u003eInput Impedance: N\/A\u003c\/li\u003e\n\u003cli\u003eOutput Impedance: 4, 8, or 16 ohms\u003c\/li\u003e\n\u003cli\u003eInternal Impedance: 2000 ohms\u003c\/li\u003e\n\u003cli\u003eMains Voltage Options: 100Vac, 120Vac, 220Vac, 230Vac, 240Vac, 245Vac\u003c\/li\u003e\n\u003cli\u003eHum Cancellation: DC heating with potentiometer adjustment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THÖRESS","offers":[{"title":"Default Title","offer_id":43088229302385,"sku":"THORSE845PAPAIR","price":10200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/0571\/7617\/files\/thoeress-se845-2.jpg?v=1774188077"},{"product_id":"thoress-se-300b-mono-power-amplifier-pair","title":"THÖRESS SE 300B Mono Power Amplifier - Pair","description":"\u003cstrong\u003eThe THÖRESS SE 300B Mono Amplifier is engineered to reveal the acoustic truth through its all-tube design. With its single-ended Class-A operation, it delivers a genuine and warm sonic experience.\u003c\/strong\u003e\u003cbr\u003e\u003chr\u003e\u003cbr\u003eThe SE300B Mono Amplifier employs the iconic 300B triode in single-ended operation, allowing it to achieve a maximum output power of 10 watts. This low power output is compensated by its high efficiency and the use of specially designed power coupling through a pair of EL822\/CV2382 tubes operated in triode mode, which further enhances linearity and minimizes distortion. Its zero-feedback topology avoids negative feedback loops, thereby preserving the harmonic integrity of the audio signal. The carefully crafted C-core output transformer ensures optimal transfer of energy while minimizing phase distortion, contributing to its dynamic and richly textured sound. Notably, the low noise operation engineered into its design combines DC heating of the 300B triode and a custom mains transformer, ensuring minimal interference and high fidelity even at low volume levels.\u003cbr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Tube Mono Power Amplifier:\u003c\/strong\u003e Uses a classic 300B filamentary power triode in Class-A operation for natural harmonic reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Stage Driver:\u003c\/strong\u003e Employs two EL822\/CV2382 pentodes in triode mode, providing high idle current for improved dynamic range without distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Feedback Design:\u003c\/strong\u003e Elimination of feedback loops preserves the pure signal path and enhances the acoustic authenticity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC-Core Output Transformer:\u003c\/strong\u003e Custom manufactured to minimize phase distortion, ensuring efficient energy transfer from the amplifier to the loudspeaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker Load Matching:\u003c\/strong\u003e Features precise 4, 8, and 16 ohm loudspeaker matching for optimal performance tailored to your audio configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Noise Operation:\u003c\/strong\u003e Design choices, including DC heating and balanced cathode adjustments, significantly reduce residual hum and idle noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Mains Transformer:\u003c\/strong\u003e Crafted in-house to ensure optimized operation for various voltages with minimal electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePower Output: 10 Watts per channel\u003c\/li\u003e\n\u003cli\u003eOutput Impedance: 4, 8, or 16 Ohms\u003c\/li\u003e\n\u003cli\u003ePower Tubes: 1 x 300B triode\u003c\/li\u003e\n\u003cli\u003eDriver Tubes: 2 x EL822\/CV2382 in triode mode\u003c\/li\u003e\n\u003cli\u003eOperation Type: Single-Ended, Class-A\u003c\/li\u003e\n\u003cli\u003eTopology: Zero-Feedback\u003c\/li\u003e\n\u003cli\u003eTransformer Type: C-Core Output Transformer\u003c\/li\u003e\n\u003cli\u003eDimensions: Customizable for various mains voltages: 230Vac, 100Vac, 120Vac, 220Vac, 240Vac, 245Vac\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THÖRESS","offers":[{"title":"Default Title","offer_id":43088229335153,"sku":"THORSE300BPAPAIR","price":9000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/0571\/7617\/files\/thoeress-se300b-9_ebbc933e-1c84-4881-8828-942d91111dba.jpg?v=1774188079"},{"product_id":"thoress-dfamp-dual-function-amplifier","title":"THÖRESS DFAmp - Dual Function Amplifier","description":"\u003cstrong\u003eThe THÖRESS DFAmp redefines acoustic truth by merging line control and headphone amplification in a minimalist, vacuum tube-based design. Its low output impedance ensures optimal performance across a wide range of load conditions.\u003c\/strong\u003e\u003cbr\u003e\u003chr\u003e\u003cbr\u003eThe THÖRESS DFAmp operates on a single-ended zero-feedback topology, which emphasizes natural sound reproduction by avoiding the complexities and distortions often introduced by feedback mechanisms. Utilizing a 12J5GT triode for gain followed by a 12GN7 power pentode in triode mode, this amplifier achieves high linearity and low noise through its point-to-point wiring technique. The unique design allows for both long cable runs and low-impedance headphones to be driven without loss of signal integrity, showcasing the physics of efficient energy transfer and electromagnetic compatibility. The timbre registers utilize minimal capacitance changes to carefully manipulate frequency response without conventional tone control circuitry, thus preserving the purity of the original sound while accommodating various listening conditions.\u003cbr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Ended Zero-Feedback Design:\u003c\/strong\u003e Minimizes distortion and enhances sound linearity by maintaining a direct signal path without feedback loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12J5GT and 12GN7 Tubes:\u003c\/strong\u003e Combines a medium-gain triode with a high-gain pentode to achieve high transconductance and low noise, suitable for high-fidelity applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimbre Registers:\u003c\/strong\u003e Employs simple capacitor interpositions to adjust frequency response without degradation, allowing for tailored audio characteristics while keeping the signal path clear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Output Impedance:\u003c\/strong\u003e Ensures compatibility with both long cable lengths and low-impedance headphones, optimizing dynamic range and preventing signal loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor-Driven Volume Control:\u003c\/strong\u003e Offers precision volume adjustments with an ALPS dual-potentiometer, ensuring smooth transitions and high control fidelity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSRP: $14999\u003c\/li\u003e\n\u003cli\u003eTube Configuration: 12J5GT triode (gain stage), 12GN7 pentode (buffer)\u003c\/li\u003e\n\u003cli\u003eOutput Impedance: Very Low\u003c\/li\u003e\n\u003cli\u003eGain Options: (-)6dB to full gain\u003c\/li\u003e\n\u003cli\u003eTimbre Registers: 4 on-the-fly presets\u003c\/li\u003e\n\u003cli\u003eRotation Selector Positions: 6\u003c\/li\u003e\n\u003cli\u003eVoltage Supply: Standard ± supply voltages for tube operation\u003c\/li\u003e\n\u003cli\u003eConstruction: Hand-made point-to-point wiring\u003c\/li\u003e\n\u003cli\u003eRemote Control: Yes, motor-driven\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THÖRESS","offers":[{"title":"Default Title","offer_id":43088229367921,"sku":"THORDFAMP","price":9000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/0571\/7617\/files\/thoeress-dual-function-amp-1_ef5d315a-cc1c-436d-9324-46ca23949706.jpg?v=1774188080"},{"product_id":"thoress-phono-enhancer-parametric-phono-equalizer","title":"THÖRESS Phono Enhancer - Parametric Phono Equalizer MKIII","description":"\u003cstrong\u003eThe THÖRESS Phono Enhancer MKIII achieves unparalleled acoustic accuracy through its vacuum tube circuitry. Its innovative design eliminates noise and distortion for pristine sound reproduction.\u003c\/strong\u003e\u003cbr\u003e\u003chr\u003e\u003cbr\u003eThe THÖRESS Phono Enhancer MKIII employs a single-ended zero-feedback topology that leverages the natural characteristics of vacuum tubes, providing a rich and warm sound profile. Constructed using meticulously arranged point-to-point wiring practices, this pre-amplifier minimizes electrical noise while maximizing signal integrity. The phono equalizer incorporates passively implemented RIAA de-emphasis, ensuring precise frequency response in the amplification of moving coil (MC) cartridges. By avoiding step-up transformers, the unit maintains a highly favorable signal-to-noise ratio, delivering detailed audio without unwanted artifacts. The designed imbalance due to tube variations is mitigated through careful selection and matching of components, ensuring that harmonic distortion levels remain minimal. Each input is specifically calibrated to accommodate different cartridge loading, which preserves dynamic range and clarity across a variety of playback scenarios.\u003cbr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSingle-ended zero-feedback topology: This design minimizes distortion and enhances dynamic range by allowing the natural tubes' characteristics to dominate the signal path.\u003c\/li\u003e\n\u003cli\u003eHigh signal-to-noise ratio: Utilizing a purely active operation mode eliminates the need for step-up transformers, preserving audio fidelity across the frequency spectrum.\u003c\/li\u003e\n\u003cli\u003eThree selectable phono inputs: Each with distinct loading characteristics, ensuring compatibility with a diverse range of cartridges without sacrificing gain level.\u003c\/li\u003e\n\u003cli\u003eBroad input impedance capabilities: Allows flexibility with various sources, providing optimal loading for classic and modern setups to enhance sound quality.\u003c\/li\u003e\n\u003cli\u003eLow output impedance: Facilitates long cable runs and maintains sound integrity, ensuring the signal remains unaltered even over distance.\u003c\/li\u003e\n\u003cli\u003ePass-through output: Permits an easy integration with existing setups by providing an output for activated sources, allowing versatility without additional configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSRP: $14999\u003c\/li\u003e\n\u003cli\u003ePhono Gain (MC): 65dB @ 1kHz\u003c\/li\u003e\n\u003cli\u003ePhono Gain (MM): 45dB @ 1kHz\u003c\/li\u003e\n\u003cli\u003eInput Impedance (MC): 100, 200, 500 ohms\u003c\/li\u003e\n\u003cli\u003eInput Impedance (MM): 47K ohms\u003c\/li\u003e\n\u003cli\u003eLine Gain Input #6: 26dB (20-times), 80,000 ohms\u003c\/li\u003e\n\u003cli\u003eLine Gain Inputs #4 and #5: 18dB (8-times), 30,000 ohms\u003c\/li\u003e\n\u003cli\u003eOutput Impedance: 300 ohms\u003c\/li\u003e\n\u003cli\u003e3dB-down frequency response: \u0026lt; 5Hz\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THÖRESS","offers":[{"title":"Default Title","offer_id":43088229400689,"sku":"THORPHONOEQMKIII","price":9000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/0571\/7617\/files\/thoeress-phono-enhancer-1_99926f5a-fb57-4b7e-8961-e562152fa186.jpg?v=1774188082"},{"product_id":"thoress-full-function-preamplifier","title":"THÖRESS Full Function Preamplifier MKII","description":"\u003cstrong\u003eThe THÖRESS Full Function Preamplifier MKII illuminates the Acoustic Truth through its advanced vacuum tube architecture and meticulously designed circuitry. This preamplifier masterfully balances precision and warmth, providing an unparalleled listening experience.\u003c\/strong\u003e\u003cbr\u003e\u003chr\u003e\u003cbr\u003eThe THÖRESS Full Function Pre-amplifier MKII employs a vacuum tube design utilizing a state-of-the-art line control amplifier with dual 12J5GT tubes and an innovative phono equalizer with a combination of 2xPC86 and 2x12JGT tubes. The unit operates on single-ended zero-feedback topology, which minimizes signal degradation and distortion inherent in feedback systems. By rejecting the common reliance on balanced technology, the FFPre capitalizes on the inherent characteristics of single-ended circuits, providing organic sound reproduction with reduced noise. Each input section for both MC and MM cartridges is meticulously configured with high gain and specific loading characteristics, ensuring compatibility across a wide range of cartridges while maintaining optimal signal integrity. The output stage is engineered with a low output impedance of 300 ohms to facilitate long cable runs and ensure compatibility with various amplifier inputs without adversely affecting the sound quality.\u003cbr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSingle-Ended Zero-Feedback Topology: Ensures low distortion and high fidelity, allowing for natural sound reproduction.\u003c\/li\u003e\n\u003cli\u003eDual 12J5GT \u0026amp; Quad 2xPC86 Tubes: Provides an expansive dynamic range and harmonic richness, critical for accurate audio playback.\u003c\/li\u003e\n\u003cli\u003eOn-the-Fly Selectable Inputs: Conveniently switch between three customizable phono inputs, enabling optimal matching for various MC cartridges.\u003c\/li\u003e\n\u003cli\u003ePrecision RIAA De-Emphasis: Passively implemented for accurate equalization, ensuring faithful music reproduction across all frequency ranges.\u003c\/li\u003e\n\u003cli\u003eLow Output Impedance: Designed to drive loads as low as 10,000 ohms while maintaining sound quality, facilitating flexible system configurations.\u003c\/li\u003e\n\u003cli\u003eExtensive Gain Options: Offers configurable gain patterns for MC and MM configurations, adaptively matching to different source requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSuggested Retail Price: $13999\u003c\/li\u003e\n\u003cli\u003ePhono Inputs: P1, P2, P3 (65dB @ 1kHz for MC, 45dB @ 1kHz for MM)\u003c\/li\u003e\n\u003cli\u003eStandard Cartridge Loads: MC - 100Ω, 200Ω, 500Ω; MM - 47KΩ, 47KΩ, 47KΩ\u003c\/li\u003e\n\u003cli\u003eLine Inputs: Inputs #4 and #5 (18dB gain, 30,000Ω); Input #6 (26dB gain, 80,000Ω)\u003c\/li\u003e\n\u003cli\u003eOutput Impedance: 300Ω\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 3dB down \u0026lt; 5Hz at 10,000Ω load\u003c\/li\u003e\n\u003cli\u003eOutput Configuration: Twin output (2x2 RCA jacks)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THÖRESS","offers":[{"title":"Default Title","offer_id":43088229433457,"sku":"THORFFPREMKII","price":8400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/0571\/7617\/files\/thoeress-ffpre-1_d936ca0e-cbbd-4ea6-b716-b8320af71750.jpg?v=1774188084"},{"product_id":"thoress-eht-integrated-amplifier","title":"THÖRESS EHT Integrated Amplifier","description":"\u003cstrong\u003eThe THÖRESS EHT Integrated Amplifier embodies the acoustic truth by merging vacuum tube warmth with solid-state precision. Its innovative EHT topology provides a unique audio experience, bridging the gap between high power and low distortion.\u003c\/strong\u003e\u003cbr\u003e\u003chr\u003e\u003cbr\u003eThe THÖRESS EHT Integrated Amplifier employs a minimalist single-ended, zero-feedback hybrid topology, combining a vacuum tube gain stage and a MOSFET output stage. This design allows for significant reduction in driver voltage swing needed for output power, resulting in lower non-linear distortion commonly associated with traditional tube amplifiers. By omitting the power tube-driven output transformer and its associated high step-down ratio, the amplifier achieves higher output power while maintaining sound quality, exploiting the inherent characteristics of both vacuum tube and solid-state components. The low output resistance and high damping factor enhance speaker drive capability, making it suitable for even challenging loads, while meticulous hand construction ensures reliability and minimal noise interference.\u003cbr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHybrid Triode Design: Utilizes triodes for gain and MOSFETs for output, optimizing synergy between tube warmth and solid-state clarity.\u003c\/li\u003e\n\u003cli\u003eHigh Output Power: Delivers 2x20 watts into a 6 ohm load, effectively driving low-efficiency loudspeakers without distortion.\u003c\/li\u003e\n\u003cli\u003eLow Output Resistance: Provides a high damping factor, allowing for excellent control over the speaker response.\u003c\/li\u003e\n\u003cli\u003ePrecision Volume Control: Features a motor-driven dual-potentiometer for fine adjustment, ensuring consistent channel balance within a 0.3dB tolerance.\u003c\/li\u003e\n\u003cli\u003eMeticulous Construction: Hand-built using point-to-point wiring techniques to ensure thermal stability and long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOutput Power: 2x20 Watts\u003c\/li\u003e\n\u003cli\u003eLoad Impedance: 6 Ohms\u003c\/li\u003e\n\u003cli\u003eAmplifier Topology: Single-Ended Hybrid Triode with MOSFET output\u003c\/li\u003e\n\u003cli\u003eGain Stage Tubes: 6J5GT, 12J5GT, or 7A4\u003c\/li\u003e\n\u003cli\u003ePower Stage: Class-A, high idle current\u003c\/li\u003e\n\u003cli\u003eChannel Balance Tolerance: 0.3 dB\u003c\/li\u003e\n\u003cli\u003eConstruction Method: Point-to-point wiring\u003c\/li\u003e\n\u003cli\u003eRemote Control Type: Motor-driven dual-potentiometer\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THÖRESS","offers":[{"title":"Default Title","offer_id":43088229466225,"sku":"THOREHTIA","price":8400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/0571\/7617\/files\/thoeress-eht-integrated-1_158cc9b5-397e-4fd7-a3f2-d5d34d18cb1c.jpg?v=1774188085"}],"url":"https:\/\/shopodsy.com\/collections\/thoress.oembed","provider":"ODSY","version":"1.0","type":"link"}