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Stereo Integrated Amplifier SU-C700


Premium Class Amplifier

Employs innovative fully-digitised processing that delivers a pure and accurate signal to the speakers.


JENO Engine
(Jitter Elimination and Noise-shaping Optimization)

Concept of JENO Engine, Block Diagram of Digital Amplifier
Just like the R1, the SU-C700 is a fully-digital amplifier and delivers high-resolution digital signals without any distortion being introduced between the input stage and output to the speakers. Technics has developed an original jitter-reduction circuit, avoiding the sound quality degradation due to jitter common to conventional digital amps. It uses a clock generator for the noise-shaping system to reduce jitter in the low-frequency range and a high-precision sample rate converter to suppress jitter in the high-frequency range.

(Load Adaptive Phase Calibration)

Concept of LAPC, Gain and Delay by Conventional Amplifier / LAPC
Technics has developed a speaker impedance optimisation algorithm, using digital signal processing to flatten both the amplitude and phase-frequency response to make the most of your speakers. The result is a sound with better focus, spaciousness and definition.

High-speed Silent Linear Power Supply

Using a large-current Schottky-barrier diode, a rectifier circuit with electrolytic capacitors, and a stabilised power supply circuit, the SU-C700 ensures ample power supply at all times, even when dynamic music demands high current.

Battery Driven Clock Generator

Graph of Battery Driven Clock Generator
Technics used battery power for low-noise applications in analogue amplifiers in the past: here, this same technology is used to improve digital clock precision, enhancing the definition of the sound.

High Rigidity Metal Double Chassis

To reduce vibration and noise that degrade the purity of sound, the Premium Series features a High Rigidity Metal Double Chassis, using inner and outer steel plates.

Various Inputs

Various Inputs
The SU-C700 supports a wide range of inputs, such as SPDIF, Analogue and Phono, as well as USB-DAC for connection of a PC. The digital input terminal supports coaxial 192-kHz/24-bit PCM and optical 96-kHz/24-bit. The USB DAC input terminal supports 192-kHz 32-bit PCM and 2.8-MHz/5.6-MHz DSD native playback (analogue output) and asynchronous transmission. The SU-C700 converts analogue signals to high-precision 192-kHz/24-bit PCM signals using the A/D converter. The full-digital system achieves high-purity reproduction from any content.

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Photo of Stereo Integrated Amplifier SU-C700

Size and Weight


JENO Engine (Jitter Elimination and Noise-shaping Optimization)

LAPC (Load Adaptive Phase Calibration)

High-speed Silent Linear Power Supply

Battery Driven Clock Generator

High Rigidity Metal Double Chassis

White LED Illuminated Large Level Meter

Accurate Digital Technology

  • JENO Engine
    (Jitter Elimination and Noise-shaping Optimization)
    Load Adaptive Phase Calibration
    High-speed Silent Linear power supply
    Battery Driven Clock Generator
    High Rigidity Metal Double Chassis

Technics Definitive Design

  • High Rigidity Aluminium Cabinet
    White LED Illuminated Large Level Meter
    Symmetric Structure

Output Power

  • 45 W + 45 W (1 kHz, T.H.D. 0.3%, 8 Ω, 20 kHz LPF)
    70 W + 70 W (1 kHz, T.H.D. 0.5%, 4 Ω, 20 kHz LPF)

Input Sensitivity / Input Impedance

  • LINE 200 mV / 22 kΩ, PHONO (MM) 2.5 mV/47 kΩ

Frequency Response

  • LINE 20 Hz - 80 kHz (-3 dB, 8 Ω), PHONO(MM)
    20 Hz - 20 kHz (RIAA DEVIATION ±1 dB, 8 Ω),
    COAXIAL1/2/3, 20 Hz - 90 kHz (- 3 dB, 8 Ω)

Load Impedance

  • 4-16 Ω

Analogue Input Terminal

  • LINE x 1, PHONO(MM) x 1

Digital Input Terminal

  • Coaxial Digital x 3, Optical Digital, USB-B


  • USB Audio Class Specification

    • USB Audio Class 2.0, Asynchronous Mode
  • Support Codec

    • DSC
      • Yes (2.8224 MHz, 5.6448 MHz)
    • PCM
      • Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 kHz / 16, 24, 32 bit)

Headphone Output

  • Yes

System Port

  • System Control Input/Output (Φ3.5 mm Jack)

Power Supply

  • AC220-240 V, 50 Hz/60 Hz

Power Consumption

  • 73 W

Dimensions (W x H x D)

  • 340 x 132 x 325 mm


  • Approx. 8.3 kg


  • Remote Control, AC Cord, Operating Instructions


  • "Direct Stream Digital", DSD and their logos are trademarks of Sony Corporation.

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