Luxman C-700u Control Amplifier

Luxman


$ 5,499.99




Luxman’s new C-700u preamp benefits from the same uncompromising construction and attention to detail as the D-06u. At its heart lies Luxman’s fourth-generation ODNF (Only Distortion Negative Feedback) amp circuit, which restricts feedback to distortion components only, thus greatly enhancing signal-to-noise performance. The C-700u includes precision bass and treble tone adjustment (extremely useful given the variability of today’s music formats), a ‘loudness’ control for low-level listening, a ‘line straight’ button that bypasses the tone controls, and phase selection for the balanced inputs.

  • Input Sensitivity:
    -LINE: 250 mV / 1 V output, 1 kHz, load 50 kΩ
    -BAL LINE: 250 mV / 1 V output, 1 kHz, load 100 kΩ
    -LINE → BAL LINE: 250 mV / 1 V output, 1 kHz, load 100 kΩ
    -BAL LINE → LINE: 250 mV / 1 V output, 1 kHz, load 50 kΩ
  • Maximum Output:
    -LINE: 11 V / distortion 0.1 %, 1 kHz, load 50 kΩ
    -BAL LINE: 11.5 V / distortion 0.1 %, 1 kHz, load 100 kΩ
    -LINE → BAL LINE: 11.5 V / distortion 0.1 %, 1 kHz, load 100 kΩ
    -BAL LINE → LINE: 11 V / distortion 0.1 %, 1 kHz, load 50 kΩ
  • Input impedance:
    -LINE: 46 kΩ / 1 kHz
    -BAL LINE: 67 kΩ / 1 kHz
    -Unselected LINE: 33 kΩ / 1 kHz
    -Unselected BAL LINE: 67 kΩ / 1 kHz
  • Output impedance:
    -LINE: 90 Ω / 1 kHz
    -BAL LINE: 600 Ω / 1 kHz
  • Total harmonic distortion:
    -LINE: 0.007 % / 1 V output, 20 Hz - 20 kHz, load 50 kΩ
    -BAL LINE: 0.010 % / 1 V output, 20 Hz - 20 kHz, load 100 kΩ
    -LINE → BAL LINE: 0.007 % / 1 V output, 20 Hz - 20 kHz, load 100 kΩ
    -BAL LINE → LINE: 0.009 % / 1 V output, 20 Hz - 20 kHz, load 50 kΩ
  • Frequency response:
    -LINE: +0, −0.1 dB / 1 V output, 20 Hz - 20 kHz, load 50 kΩ +0, −3.0 dB / 1 V output, 5 Hz - 120 kHz, load 50 kΩ
    -BAL LINE: +0, −0.2 dB / 1 V output, 20 Hz - 20 kHz, load 100 kΩ +0, −3.0 dB / 1 V output, 5 Hz - 80 kHz, load 100 kΩ
    -LINE → BAL LINE: +0, −0.2 dB / 1 V output, 20 Hz - 20 kHz, load 100 kΩ +0, −3.0 dB / 1 V output, 5 Hz - 110 kHz, load 100 kΩ
    -BAL LINE → LINE: +0, −0.2 dB / 1 V output, 20 Hz - 20 kHz, load 50 kΩ +0, −3.0 dB / 1 V output, 5 Hz - 85 kHz, load 50 kΩ
  • S/N ratio:
    -LINE: 125 dB (IHF-A) / distortion 0.1 %,1kHz, load 50 kΩ
    -BAL LINE: 122 dB (IHF-A) / distortion 0.1 %,1kHz, load 100 kΩ (ATT. −87dB)
    -LINE → BAL LINE: 122 dB (IHF-A) / distortion 0.1 %,1kHz, load 100 kΩ
    -BAL LINE → LINE: 125 dB (IHF-A) / distortion 0.1 %,1kHz, load 50 kΩ (ATT. −87dB)
  • Tone control:
    -Bass: ±8 dB at 100 Hz
    -Treble: ±8 dB at 10 kHz
  • Loudness Control:
    -100 Hz: +7 dB
    -10 kHz: +5 dB
  • Power consumption: 28 W / 2 W (at standby)
  • Power supply: 230 V ~ (50 Hz)
  • Dimensions: W440 x H130 x D430 mm
  • Weight: 14.6 kg

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