Yamaha M-70 Natural Sound Stereo Power Amplifier 200WPC Vintage Hi-Fi (1982)
The Yamaha M-70 is a flagship Natural Sound stereo power amplifier built to deliver massive, controlled power with excellent clarity. Known for its dual power meters, high current capability, and rock-solid construction, the M-70 pairs perfectly with Yamaha control amplifiers like the C-70 or C-80. Its clean, authoritative sound makes it an excellent choice for demanding speakers and serious vintage hi-fi systems.
CONDITION
SPENCERTIFIED- Fully certified by Spencer
Refurbished and SPENCERTIFIED
100% tested and functional. Cleaned inside and out; worn parts replaced as needed. Controls and internal connections cleaned using WD-40 Specialist Electrical Contact Cleaner. Amplifier channels tested under load. DC offset and bias were checked and verified within a safe operating range. Protection circuitry and power meters were tested for proper operation.
Cosmetic Condition: 9/10
Functional Condition: 10/10
WHAT'S IN THE BOX?
- Yamaha M-70 Natural Sound Stereo Power Amplifier 200WPC Vintage Hi-Fi (1982)
- Audio Cables
Other information about the Yamaha M-70
- Power output: 200 watts per channel into 8Ω (stereo)
- Frequency response: 1Hz to 100kHz
- Total harmonic distortion: 0.002%
- Damping factor: 200
- Input sensitivity: 1.41V
- Signal to noise ratio: 124dB
- Natural Sound discrete Class A/B output design
- Large illuminated dual power meters
- High current capability for difficult speaker loads
- Independent left/right power supplies
- Speaker A/B switching
- Heavy-duty chassis and heat sinking
- Dynamic Power: 400W (4 ohms)
- Power Requirements: 120V AC, 60Hz
DIMENSIONS
- Size: 17.13" x 14.9" x 5.2" (W x D x H)
- Weight: 30 lbs
INPUTS
- RCA Line In x1 L/R (back)
OUTPUTS
- Speakers x2 L/R (back)
- AC x1 (back)
MANUFACTURE DATE and PLACE
- MFD. 1982
- Made in Japan
