AKAI GX-77 Magnétophone Hifi vintage Réparations

The Akai GX-77 is a vintage reel-to-reel tape recorder that was first introduced in 1977. 

- Tape speeds: 3 3/4 and 7 1/2 inches per second (IPS)
- Maximum reel size: 10 1/2 inches
- Tape type: 1/4-inch tape on standard NAB reels
- Wow and flutter: 0.03% (WRMS)
- Signal-to-noise ratio: 59 dB (dolby off), 65 dB (dolby on)
- Frequency response: 30 Hz to 25 kHz (+3 dB/-3 dB)
- Three motor transport system (capstan, reel motors and solenoid-controlled pinch roller)
- Dolby B noise reduction
- Bias and equalization controls for fine-tuning the recording and playback response to different types of tape
- VU meters for monitoring recording and playback levels
- Playback mode selection: normal, reverse, and one-way continuous
- Built-in timer for automatic recording and playback
- Mic and line level inputs, as well as a headphone output and speaker outputs

Overall, the Akai GX-77 is known for its high quality audio performance, reliable mechanical construction, and user-friendly design.