Technics SU-R1000 Reference Class Integrated Amplifier at Vinyl Sound Toronto Canada

The Technics SU-R1000 is the Reference Class stereo integrated amplifier from Technics (Osaka, Japan), available at Vinyl Sound in Toronto, Canada. Delivering 150 watts per channel into 8 ohms and 300 watts per channel into 4 ohms, the SU-R1000 is a digital amplifier of exceptional sophistication, combining the JENO Engine jitter elimination system, Load Adaptive Phase Calibration, Active Distortion Cancelling Technology, an Advanced Speed Silent Power Supply with four independent power supply units, and an Intelligent Phono EQ with a bundled Calibration Record for cartridge-specific crosstalk and frequency response correction. For vinyl listeners and digital audiophiles who want a single reference-grade component at the centre of a system, the SU-R1000 is one of the most technically complete integrated amplifiers available at any price.

JENO Engine and Digital Amplifier Architecture

The SU-R1000's core digital amplifier technology is the JENO Engine — Jitter Elimination and Noise-shaping Optimisation — which addresses jitter across the entire frequency range using two complementary systems: a clock generator in a noise-shaping configuration for low-frequency jitter reduction, and a high-precision sample rate converter for high-frequency jitter suppression. The original high-precision PWM conversion circuit then optimises noise-shaping speed, degree, re-quantisation number, and PWM gradation to convert high-resolution signals without damaging dynamic range. Load Adaptive Phase Calibration (LAPC) measures the connected speaker's impedance and phase characteristics and applies real-time correction, ensuring the amplifier's output is precisely optimised for the specific speakers in use rather than an idealised resistive load.

Active Distortion Cancelling Technology

Conventional digital amplifiers are affected by distortion introduced by a speaker's counter electromotive force and by voltage drops in the output stage — distortion that varies with the speaker load and cannot be corrected by a fixed filter. Technics' Active Distortion Cancelling Technology (ADCT) addresses this by continuously comparing the speaker terminal output with the JENO Engine output, extracting the difference as a distortion signal, and applying real-time correction to the digital output. The result is powerful speaker driving authority and acoustic energy combined with the low noise, precise imaging, and wide soundstage of a well-implemented digital amplifier, regardless of the connected speaker's impedance characteristics.

Intelligent Phono EQ with Calibration Record

The SU-R1000's Intelligent Phono EQ is the most sophisticated built-in phono stage available in any integrated amplifier. It operates as a hybrid analogue-digital system: a 40 dB analogue low-pass filter in the analogue domain suppresses bit loss before A/D conversion, after which high-frequency RIAA equalisation is applied with high precision in the digital domain for exceptional accuracy and signal-to-noise ratio. Three DSP-based correction functions are available, each individually switchable. The Crosstalk Canceller measures the installed cartridge's actual crosstalk characteristics using a test signal on the bundled Calibration Record and applies reverse correction via the built-in DSP, improving stereo image precision and soundstage width beyond what the cartridge can achieve unaided. The PHONO Response Optimiser measures the cartridge's actual frequency response using a TSP signal on the same Calibration Record and corrects impedance-matching-induced frequency deviations, revealing the cartridge's true sonic character. Both MM and MC cartridges are supported, with a dedicated balanced XLR MC input using Neutrik connectors.

Four Independent Power Supply Units

The SU-R1000 uses four completely independent power supply units: one for the analogue preamplifier circuits, one for the digital preamplifier circuits, and separate units for the left and right channel power amplifier stages. The Advanced Speed Silent Power Supply fixes the switching frequency in the 400 kHz band — eliminating the modulation noise caused by variable-frequency switching in conventional switching supplies — and adds a Super Low Noise Regulator in the output stage to prevent high-frequency noise contamination. This architecture prevents any power-line-induced interference between circuit blocks and achieves a high signal-to-noise ratio with exceptional channel separation throughout.

Key Features

• 150 Wpc (8 Ω) / 300 Wpc (4 Ω): Reference-grade output power for any loudspeaker
• JENO Engine: Dual-system jitter elimination across full frequency range; high-precision PWM conversion preserving dynamic range
• Load Adaptive Phase Calibration (LAPC): Measures and corrects for connected speaker's actual impedance and phase characteristics in real time
• Active Distortion Cancelling Technology (ADCT): Continuously extracts and corrects speaker-load-induced output distortion; effective regardless of speaker type or impedance
• Advanced Speed Silent Power Supply: Fixed 400 kHz switching frequency eliminates modulation noise; Super Low Noise Regulator prevents high-frequency noise contamination
• Four Independent Power Supply Units: Separate supplies for analogue preamp, digital preamp, left power stage, and right power stage; prevents cross-circuit power line interference
• Intelligent Phono EQ with Bundled Calibration Record: Hybrid analogue-digital RIAA; Crosstalk Canceller; PHONO Response Optimiser; all three functions individually switchable
• MM and MC Phono Inputs: Standard RCA MM/MC input plus dedicated balanced XLR MC input with Neutrik connectors; full-discrete circuit design with symmetrical layout
• USB Audio up to DSD 22.4 MHz and PCM 384 kHz: USB 2.0 high-speed, USB Audio Class 2.0 asynchronous; two USB-B inputs
• Dual Optical and Dual Coaxial Digital Inputs: Comprehensive digital connectivity for any source combination
• Balanced XLR Line Input: True balanced analogue input for preamplifiers, DACs, and balanced source components
• AKM High-Performance A/D Converter: Asahi Kasei Microdevices chip for high-precision analogue-to-digital conversion across all analogue inputs
• USB Input with Ruby Mica Capacitors and Non-Magnetic Carbon Film Resistors: Premium passive components chosen specifically to block electrical noise from computer USB sources
• Double-Deck Separated Inner Chassis: Power amplifier section on upper deck; preamplifier and input section on lower deck; individual circuit blocks separated by steel shield plates serving also as structural reinforcing elements
• Cast Iron Insulators: Excellent signal attenuation for isolation from floor and rack-borne vibrations
• 10 mm Front Panel, 6 mm Side and Top Panels: Alumite-treated aluminium throughout; hairline surface finish; large dual-needle VU meters; volume and selector knobs machined from solid aluminium blocks with spin finish
• 6.3mm Headphone Output
• Speaker Terminals Accepting Extra-Large Diameter Cables

Connections at a Glance

• Analogue Inputs: 2 x LINE RCA, 1 x LINE XLR Balanced, 1 x PHONO RCA (MM/MC), 1 x PHONO XLR Balanced (MC), 1 x MAIN IN, 1 x REC IN
• Digital Inputs: 2 x Optical, 2 x Coaxial, 2 x USB-B (PC1, PC2)
• Outputs: 1 x PRE OUT RCA, 1 x REC OUT RCA, 1 x Headphone 6.3mm

Technical Specifications

Frequently Asked Questions

What is the Technics SU-R1000?

The Technics SU-R1000 is a Reference Class stereo integrated amplifier delivering 150 watts per channel into 8 ohms and 300 watts per channel into 4 ohms. It features the JENO Engine jitter elimination system, Load Adaptive Phase Calibration, Active Distortion Cancelling Technology, four independent power supply units with Advanced Speed Silent Power Supply, an Intelligent Phono EQ with Crosstalk Canceller and PHONO Response Optimiser, and USB audio support up to DSD 22.4 MHz and PCM 384 kHz.

What is Load Adaptive Phase Calibration (LAPC) and why does it matter?

LAPC measures the actual impedance and phase characteristics of the connected loudspeaker and applies real-time correction to the amplifier's output to compensate. Because real loudspeakers present complex, frequency-dependent impedance rather than the flat resistive load used in standard amplifier measurements, LAPC ensures the SU-R1000's output is optimised for the specific speaker in use rather than a theoretical ideal, resulting in tighter bass control, more accurate imaging, and better dynamic performance than an uncorrected amplifier driving the same speakers.

What is the Intelligent Phono EQ on the SU-R1000 and what is the Calibration Record?

The Intelligent Phono EQ is a hybrid analogue-digital phono stage that applies RIAA equalisation across both analogue and digital domains for exceptional accuracy. It includes a Crosstalk Canceller that measures the installed cartridge's actual crosstalk characteristics using a test signal on the bundled Calibration Record and corrects them via DSP, and a PHONO Response Optimiser that measures and corrects the cartridge's actual frequency response deviations caused by impedance matching. Each function is individually switchable to suit the user's preference.

Does the Technics SU-R1000 support DSD and high-resolution audio?

Yes. The SU-R1000 supports PCM up to 384 kHz / 32-bit and DSD up to 22.4 MHz via its two USB-B inputs in ASIO Native mode. It also accepts standard PCM from its optical and coaxial digital inputs.

Can the SU-R1000 drive difficult or demanding loudspeakers?

Yes. With 300 watts per channel into 4 ohms, Active Distortion Cancelling Technology correcting for counter EMF and load-dependent distortion in real time, and Load Adaptive Phase Calibration compensating for the specific speaker's impedance curve, the SU-R1000 drives demanding loudspeakers with greater control and accuracy than most conventional amplifiers of equivalent rated power.

Does the Technics SU-R1000 have a phono input for a turntable?

Yes. The SU-R1000 includes both a standard RCA phono input supporting MM and MC cartridges and a dedicated balanced XLR MC phono input with Neutrik connectors, plus the Intelligent Phono EQ with Calibration Record for cartridge-specific correction. It is one of the most capable built-in phono stages in any integrated amplifier currently available.

Where can I buy the Technics SU-R1000 in Toronto or Canada?

The Technics SU-R1000 is available at Vinyl Sound in Toronto, Canada, an authorised Technics dealer. Contact us to arrange an audition or to discuss building a complete reference system around the SU-R1000.