JVC 4VN-770
Data[edit]
General
- Manufacturer: JVC
- Model: 4VN-770
- Type: Quadraphonic amplifier
- Years of manufacture: 1970 - 1973
- Made in: Japan
- Color: front champagne, housing sheet metal gray
- Remote control:
- Power consumption: 300 W
- Dimensions: 420 x 138 x 296 mm (WxHxD)
- Weight: 9.6 kg
- Original price approx.: 72'000 Yen (Japan, 1970), 280 US-$, corresponds to about 1'100 DM
Connections:
- Number of inputs:
- Phono: 2.5 mV, 50 kOhm, 170 mV max.
- AUX 1, 2, 3: 75 mV, 100 kOhm
- Tape Play 1, 2: 75 mV, 100 kOhm
- Main In:
- Number of Outputs:
- Tape Rec 1, 2: 100 mV, 12 kOhm
- Tape Rec DIN: 30 mV, 80 kOhm
- Pre Out: 4 V, 1.2 kOhm
- 3 speaker pairs: 1 x front, 2 x rear
- 4-channel: 4 - 16 Ohm
- 2-channel BTL: 8 - 16 Ohm
- 2 x headphone output front + rear: 6.3 mm jack each
Technical data:
Amplifier:
- Continuous power: Quadrophonic, 20-20 kHz.
- 8 Ohm: 4 x 12,5 Watt
- 4 Ohm:
- Music power: Quadrophonic, 20-20 kHz
- 8 Ohm: 4 x 16 Watt
- 4 Ohm: 4 x 25 Watt
- Continuous power: BTL Stereo, 20- 20 kHz
- 8 Ohm: 2 x 30 Watt
- 4 Ohm:
- Music power: BTL Stereo, 1 kHz
- 8 Ohm: 2 x 50 Watt
- 4 Ohm:
- Total harmonic distortion: 0.5 % at rated power
- Attenuation factor: 50 at 8 Ohm, 1 kHz
- Frequency response: 18 - 40'000 Hz, ± 1 dB
- Power bandwidth: 10 - 30'000 Hz IHF
- Spurious voltage spacing: 96 dB
- Channel separation: 55 dB (1 kHz)
- Signal-to-noise ratio:
- Phono: 65 dB
- High Level: 75 dB
- Tone control:
- Bass: ± 10 dB at 100 Hz
- Tweeter: ± 10 dB at 10 kHz
- Loudness:
- Low Filter (Subsonic):
- High Filter:
- Muting:
Special Features
- 4 VU meters
- 4 channels individually adjustable
Remarks[edit]
- Overview JVC Quadro Amplifier:
- Corresponding tuner:
- Corresponding equalizer:
Pictures[edit]
- Picture: JVC 4VN-770
- Introduction to JVC 4-channel playback technology.
Reports[edit]
Links[edit]
- [[Introduction to Kenwood 4-channel playback technology