Luxman
C-700u
Introduced 2014$5,300 MSRP
The Luxman C-700u is a solid-state Japanese control amplifier (line preamplifier) built around Luxman's LECUA 1000 electronically controlled attenuator and ODNF 4.0 (Only Distortion Negative Feedback) circuit topology. It combines both unbalanced and balanced inputs/outputs with switchable tone controls and very low measured distortion and noise.
MSRP
$5,300
Used market · Good
$4,845
-9% vs MSRP
as of Sep 1, 2026MSRP to used market
From $5,300 at launch to $4,845 today.
Specifications
- THD
- Unbalanced: 0.007%; Balanced: 0.010% (20 Hz–20 kHz)
- Gain
- 12 dB
- Inputs
- 5 line-level RCA inputs, 2 balanced XLR inputs with phase switching, EPL loop-through
- Weight
- 14.6 kg
- Features
- ODNF 4.0 negative feedback circuit, switchable bass/treble tone controls (±8 dB), RA-22 remote control, gradient shock-absorbing feet
- Dimensions
- 440 (W) × 130 (H) × 430 (D) mm
- Release year
- November 2014, per official Japanese Luxman page
- Volume control
- LECUA 1000 electronically controlled attenuator, 88-step
- Price at launch
- ¥580,000 excl. tax
- Frequency response
- 20 Hz–20 kHz +0/−0.1 dB; 5 Hz–120 kHz +0/−3.0 dB
- Signal to noise ratio
- Unbalanced: 125 dB; Balanced: 122 dB, IHF-A
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