Technics SU-C700 Integrated Amplifier (B-stock)

Article number: SU-C700 BSTOCK
Availability: In stock
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Technics SU-C700 (B-stock)


ENO Engine (Jitter Elimination and Noise-shaping Optimization)

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.


LAPC (Load Adaptive Phase Calibration)

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

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.


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.



  • 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
  • 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-DAC (USB-B): USB Audio Class 2.0, Asynchronous Mode
  • Headphone Output: Yes
  • System Port: System Control Input/Output (Φ3.5 mm Jack)
  • Mains voltage: AC 110 - 240 V, 50 / 60 Hz
  • Power consumption: 73 W
  • Weight: 8,3 kg
  • Dimensions (W x H x D): 340 x 132 x 325 mm


  • Remote control
  • AC power supply cord
  • Owner's Manual



Please note: this is a B-stock item.
A product becomes B-stock when it can no longer be sold as new. It can simply be a product that has been returned by a customer or it may have packaging that is damaged or missing. It’s possible that the product itself may show slight signs of use or damage too. All B-stock products are fully checked to ensure that they work properly and you can find details of why the product is a B-stock in the information above.

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