Technics SU-R1000 Reference Class Stereo Integrated Amplifier

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Technics SU-R1000 Reference Class Stereo Integrated Amplifier at Vinyl Sound Buffalo, NY USA The SU-R1000 is a reference class stereo integrated amplifier from Technics (Osaka, Jap an), available at Vinyl Sound in Buffalo, New York, USA. This flagship integrated amplifier is the first Reference Class integrated in Technics history, uniting 150W + 150W into 8 ohms (300W + 300W into 4 ohms) of full-digital amplification with a DSP-based Intelligent Phono EQ section and a comprehensive suite of proprietary technologies including the JENO Engine, ADCT, LAPC, and Advanced Speed Silent Power Supply. With native DSD support up to 22.4 MHz and PCM decoding up to 384 kHz / 32-bit over USB, the SU-R1000 is one of the most technically advanced integrated amplifiers available at any price. Named a Stereophile Class A Recommended Component, it is available at Vinyl Sound in Buffalo, NY. JENO Engine and ADCT: Precision Digital Amplification At the core of the SU-R1000 is Technics' JENO Engine (Jitter Elimination and Noise-shaping Optimisation), a proprietary circuit comprising a clock generator in a noise-shaping topology to reduce jitter in the low-frequency range alongside a high-precision sample rate converter for suppressing jitter in the high-frequency range. The result is near-total jitter elimination across the full audio band, feeding a high-precision PWM (Pulse Width Modulation) conversion circuit that optimises noise-shaping speed, re-quantisation number, and PWM gradation to convert high-resolution digital signals without loss of dynamic range. Complementing this is ADCT (Active Distortion Cancelling Technology), a Technics innovation that continuously monitors the difference between the speaker terminal output and the JENO Engine output, extracts distortion caused by a speaker's counter electromotive force and power supply voltage drops, and applies real-time digital correction to the output signal. This means the SU-R1000 maintains its composure and low-distortion character regardless of the impedance characteristics of the connected loudspeaker, an essential virtue in a high-end integrated amplifier expected to drive a wide variety of speakers. Advanced Speed Silent Power Supply and Four Independent Power Supplies The SU-R1000 employs an Advanced Speed Silent Power Supply that fixes the switching frequency in the 400 kHz band, eliminating the modulation noise caused by the fluctuating switching frequencies found in conventional switching power supplies. A Super Low Noise Regulator in the subsequent stage further prevents high-frequency noise ingress. This topology is reinforced by four independent power supply units allocated to separate circuit blocks: analogue and digital circuits in the pre-amplifier stage are independently powered, and the left and right channels of the power amplifier stage each receive their own dedicated power supply. This arrangement maximises channel separation and the signal-to-noise ratio by preventing power-line-induced interference between circuit blocks. The chassis architecture supports this philosophy with an inner double-deck separated structure, steel shield plates between circuit blocks, a 10 mm thick front panel, 6 mm alumite-treated aluminium side and top panels, and cast iron insulators with excellent vibration attenuation characteristics. Intelligent Phono EQ: A DSP-Powered Phono Stage Unlike Any Other The Intelligent Phono EQ in the SU-R1000 applies Technics' DSP expertise to vinyl playback in a manner no passive analogue phono stage can match. It consists of three independently switchable functions. The Accurate EQ Curve uses a hybrid analogue-digital design: a 40 dB low-pass filter handles the high-gain analogue region to prevent bit loss, while the digital region raises high frequencies with precision for a high signal-to-noise ratio. The Crosstalk Canceller uses a Calibration Record (included) to measure the crosstalk characteristic of the installed cartridge and applies reverse DSP correction, sharpening image focus and widening the soundstage. The PHONO Response Optimiser measures the frequency response of the cartridge using a Time Stretched Pulse (TSP) signal recorded on the same Calibration Record, then corrects impedance-induced deviations to reveal the cartridge's true sonic character. Both the phono RCA and phono XLR balanced inputs support MC cartridges; the standard phono RCA input also accepts MM cartridges. Input and output circuitry throughout features full-discrete circuit designs, Neutrik-manufactured XLR connectors, gold-plated machined brass analogue terminals, ruby mica capacitors in the USB input, and a high-performance AKM (Asahi Kasei Microdevices) A/D converter chip. Key Features JENO Engine (Jitter Elimination and Noise-shaping Optimisation): Proprietary dual-stage jitter reduction combining a noise-shaping clock generator for low-frequency jitter and a high-precision sample rate converter for high-frequency jitter, paired with a high-precision PWM conversion circuit for full-resolution digital amplification. ADCT (Active Distortion Cancelling Technology): Real-time digital correction of distortion caused by speaker counter electromotive force and power supply voltage drops, ensuring consistent low-distortion performance with any connected loudspeaker. LAPC (Load Adaptive Phase Calibration): Measures the electrical characteristics of connected speakers and corrects the amplifier's output phase and frequency response accordingly, optimising the drive signal for the specific impedance load. Advanced Speed Silent Power Supply: Fixed 400 kHz switching frequency eliminates modulation noise; a Super Low Noise Regulator in the output stage prevents high-frequency noise contamination for a clean, high-response power delivery system. Four Independent Power Supply Units: Separate power supplies for the analogue pre-amp stage, digital pre-amp stage, right channel power amp stage, and left channel power amp stage for maximum S/N ratio and channel separation. Intelligent Phono EQ with Calibration Record: DSP-based phono equalisation with Accurate EQ Curve, Crosstalk Canceller, and PHONO Response Optimiser functions, each measurable and individually switchable; a Calibration Record is included for cartridge measurement. High-grade digital inputs with DSD and PCM support: Native DSD playback up to 22.4 MHz (ASIO Native mode) and PCM up to 384 kHz / 32-bit via USB Audio Class 2.0 asynchronous mode; plus two optical and two coaxial S/PDIF inputs. High-rigidity chassis construction: Double-deck inner chassis with steel shield plates, 10 mm aluminium front panel, 6 mm alumite-treated aluminium side and top panels, and cast iron insulators for vibration resistance and electromagnetic shielding. Discrete, balanced analogue circuitry: Phono and XLR analogue inputs use fully balanced signal transmission with symmetrical circuit layout; Neutrik-manufactured XLR connectors; gold-plated machined brass analogue terminals. Class AA headphone amplifier: Separate voltage and current amplification circuits feed the 6.3 mm headphone output, derived directly from the JENO Engine's high-grade PWM signal for precision headphone driving. Iconic dual-needle VU meters and solid aluminium controls: Large dual-needle analog level meters on a hairline-finished front panel; volume dial and selector knob machined from solid aluminium blocks with spin finish. Technical Specifications FTC Output Power (8 ohms) 150W + 150W (1 kHz, T.H.D. 0.5%, 20 kHz LPF) FTC Output Power (4 ohms) 300W + 300W (1 kHz, T.H.D. 0.5%, 20 kHz LPF) Load Impedance 4 ohms to 16 ohms Frequency Response (LINE / DIGITAL) 5 Hz to 80 kHz (-3 dB, 8 ohms) Frequency Response (PHONO MM) 20 Hz to 20 kHz (RIAA deviation ±1 dB, 8 ohms) Input Sensitivity / Impedance (LINE) 200 mV / 22 kohms Input Sensitivity / Impedance (PHONO MM) 2.5 mV / 47 kohms Input Sensitivity / Impedance (PHONO MC) 300 uV / 100 ohms Analogue Inputs LINE x2 (RCA), LINE XLR BALANCED x1, PHONO MM/MC x1 (RCA), PHONO XLR BALANCED MC x1, MAIN IN x1, REC IN x1 Digital Inputs Optical x2, Coaxial x2, USB-B x2 (USB Audio Class 2.0, Asynchronous) Analogue Outputs PRE OUT x1, REC OUT x1 Headphone Output 6.3 mm stereo jack (Class AA circuit) PCM Support (USB) 32 / 44.1 / 48 / 88.2 / 96 / 176.4 / 192 / 352.8 / 384 kHz, 16 / 24 / 32-bit DSD Support (USB) 2.8 MHz / 5.6 MHz / 11.2 MHz / 22.4 MHz (ASIO Native mode only) Power Supply AC 120V, 60 Hz Power Consumption 220W Dimensions (W x H x D) 430 x 191 x 459 mm / 16-15/16 x 7-17/32 x 18-3/32 in. Weight 22.8 kg / 50.3 lbs What's in the Box Technics SU-R1000 Reference Class Stereo Integrated Amplifier Remote Control Calibration Record (for Intelligent Phono EQ measurement) AC Power Cord Owner's Manual Awards and Critical Recognition Stereophile Class A Recommended Component (Ken Micallef) The Absolute Sound: Editors' Choice, top recommendation (Tony Cordesman) Frequently Asked Questions What is the Technics SU-R1000? The Technics SU-R1000 is a reference class stereo integrated amplifier from Technics of Osaka, Japan, delivering 150W + 150W into 8 ohms (300W + 300W into 4 ohms) via a full-digital amplification topology. It incorporates the JENO Engine for jitter elimination and noise-shaping, ADCT for active distortion cancellation, LAPC for load-adaptive phase calibration, an Intelligent DSP-based Phono EQ with Calibration Record, a built-in USB DAC supporting DSD up to 22.4 MHz and PCM up to 384 kHz / 32-bit, balanced XLR inputs and outputs, and a Class AA headphone amplifier, all housed in a 22.8 kg high-rigidity chassis with an iconic dual-needle VU meter display. How does the Technics SU-R1000 compare to the Devialet Expert 250 Pro? The Technics SU-R1000 and the Devialet Expert 250 Pro are both flagship full-digital integrated amplifiers, but they take different engineering approaches. The Devialet Expert 250 Pro uses Devialet's ADH (Analog Digital Hybrid) topology, pairing a Class A analogue voltage stage with a Class D current stage, and delivers 250W into 6 ohms in a disc-shaped chassis without a phono stage. The Technics SU-R1000 is a pure full-digital design throughout, delivering 150W into 8 ohms and 300W into 4 ohms, and includes an Intelligent DSP Phono EQ with MC and MM support, four independent power supplies, balanced XLR analogue inputs, dual USB-B digital inputs, and LAPC speaker load calibration. Buyers who prioritise vinyl playback and balanced analogue connectivity will find the SU-R1000 considerably more fully featured. Those seeking a more compact form factor and a wireless streaming platform integrated at the hardware level may lean toward the Devialet. How does the Technics SU-R1000 compare to the McIntosh MA12000? The McIntosh MA12000 is a hybrid integrated amplifier from McIntosh Laboratory of Binghamton, New York, combining tube voltage amplification stages with solid-state output transistors for 350W per channel, along with McIntosh's signature Autoformer output transformers for consistent power delivery across 2, 4, and 8 ohm loads. The Technics SU-R1000 is a full-digital design producing 150W into 8 ohms and 300W into 4 ohms, with ADCT correcting for speaker back-EMF distortion in real time rather than relying on output transformers. The MA12000 offers a warmer, more traditional tonality aligned with McIntosh's hybrid tube-solid-state house sound; the SU-R1000 targets maximum transparency and precise imaging through digital signal processing. The SU-R1000 also adds a DSP Intelligent Phono EQ section with cartridge calibration, a USB DAC with DSD support, and LAPC speaker optimisation, features not found in the MA12000. What is LAPC (Load Adaptive Phase Calibration) and why does it matter? LAPC, or Load Adaptive Phase Calibration, is a Technics-developed technology that measures the actual electrical characteristics of the connected loudspeaker system and applies frequency-specific phase and gain corrections to the amplifier's output signal. Because every loudspeaker presents a different and complex impedance curve across the audio band, a conventional amplifier's output signal will arrive at each driver with varying phase relationships, slightly blurring the soundstage and time-domain accuracy. LAPC corrects for these deviations before amplification, resulting in tighter imaging, more accurate transient reproduction, and a more coherent presentation that adapts specifically to the speaker being driven rather than assuming an ideal resistive load. Can the Technics SU-R1000 play DSD files natively from a computer? Yes, the SU-R1000 supports native DSD playback up to DSD512 (22.4 MHz) via its USB-B inputs in ASIO Native mode, requiring a Windows PC with an ASIO-compatible DSD-capable audio player such as foobar2000 with the SACD plugin or Audirvana. On macOS, DoP (DSD over PCM) encapsulation is supported up to the limits of the connected software. PCM playback over USB is supported up to 384 kHz / 32-bit in USB Audio Class 2.0 asynchronous mode on both platforms. Two USB-B inputs are provided, allowing two source computers to remain connected simultaneously. What cartridge types does the Intelligent Phono EQ support? The Intelligent Phono EQ accepts both moving magnet (MM) and moving coil (MC) cartridges. The standard RCA phono input supports MM cartridges at 2.5 mV / 47 kohms sensitivity and MC cartridges at 300 uV / 100 ohms. An additional dedicated XLR balanced phono input is provided exclusively for MC cartridges, enabling fully balanced signal transmission from cartridge to amplifier for the lowest possible noise floor. The three Intelligent Phono EQ functions (Accurate EQ Curve, Crosstalk Canceller, and PHONO Response Optimiser) are compatible with both MM and MC cartridges and can each be enabled or disabled independently according to listener preference. Where can I buy the Technics SU-R1000 in Buffalo, NY or the USA? The Technics SU-R1000 Reference Class Stereo Integrated Amplifier is available at Vinyl Sound in Buffalo, New York, an authorised Technics dealer serving customers across the USA. The Vinyl Sound team provides expert guidance on system matching, LAPC and Intelligent Phono EQ setup, and cartridge compatibility. Customers in the greater Buffalo area and across the United States are welcome to visit or contact Vinyl Sound for availability and purchasing information. Show more