Yamaha C-4 Natural Sound Stereo Control Multi-Voltage Preamp Vintage (1979-81)
The Yamaha C-4 is a highly regarded vintage stereo control amplifier from Yamaha’s late-1970s Natural Sound lineup. Known for its clean, transparent signal path and flexible tone-shaping controls, the C-4 is a serious preamp designed to pair with quality power amplifiers.
This unit features extensive input selection, dual phono capability with adjustable loading, and precise tone controls, making it ideal for vinyl enthusiasts and vintage hi-fi systems. The multi-voltage configuration allows operation in multiple regions, making it versatile for international use.
A classic Yamaha preamp with excellent build quality and audiophile-level performance. Fully SpenCertified and ready to integrate into your system.
CONDITION
Refurbished and SPENCERTIFIED
SPENCERTIFIED - Fully certified by Spencer
100% tested and functional. Cleaned inside and out; worn parts replaced as needed. Controls and switches cleaned with WD-40 Specialist Electrical Contact Cleaner (safe for electronics). All inputs tested. Phono stage verified. Output levels balanced and confirmed.
Cosmetic Condition: 8/10
Functional Condition: 10/10
📦 Professionally packed and shipped with care
What's in the box?
- Yamaha C-4 Natural Sound Stereo Control Multi-Voltage Preamp Vintage (1979-81)
FEATURES
- Frequency response: 5Hz to 100kHz
- Total harmonic distortion: 0.0035%
- Input sensitivity: 0.1mV (MC), 2.5mV (MM), 150mV
- Signal to noise ratio: 77dB (MC), 85dB (MM), 100dB
- Channel separation: 85dB (MM), 85dB (MC), 85dB
- Output: 150mV (line), 2V (Pre out), 10V
- Dual phono inputs with MM and MC support
- Adjustable phono impedance and gain
- Variable loudness control
- Bass and treble tone controls with defeat
- Subsonic and high-cut filters
- Multiple line-level inputs for tuner and AUX sources
- Dual tape loops with monitoring
DIMENSIONS
- Size: 17" × 4.5" × 14.8" (W × H × D)
- Weight: 18 lbs (8.6 kg)
INPUTS
- Phono x3 L/R (back)
- Tuner x1 L/R (back)
- AUX x1 L/R (back)
- Tape x2 L/R (back)
OUTPUTS
- Headphones x1 (front)
- Tape x2 L/R (back)
- Pre Out x2 L/R (back)
- AC Outlets x3 (back)
MANUFACTURE PLACE
- Made in Japan
- MFD. 1979-81
