JVC R-X400
The R-X400 and R-X400B (in black finish) were Computer-Controlled Dynamic Super-A Receiver/Amplifiers manufactured by the JVC Corporation of Japan. They were 80-watts (RMS) per channel systems with Super-A power amplifier technology, AM/FM digital synthesizer tuner, and 7-band graphic equalizer. Here is a list of some of their features.
- 80-watt per channel (RMS) at 8 Ω 1 kHz
- Dynamic Super-A Power Amplifier for better in-use performance
- Gm Driver to improve speaker driving capability
- 7-band computer controlled S.E.A graphic equalizer with 5 presets for custom equalization
- Computer-controlled digital synthesizer tuner with 15 FM presets and 15 AM presets
- LCD information board
- SPI/S.E.A. display
- Two tape monitors with dubbing
- Digital signal strength indicator
- Double-locked PLL MPX in IC form - For better high-frequency response and wide separation
Cost/eBay
The R-X400 and R-X400B were wonderful high-quality high-end amplifiers that are still highly sought after by audiophiles. The sound quality and functionality are still unsurpassed by todays standards and a unit in mint condition can fetch well over a hundred pounds in the pre-used market.
Specification
| Model Name | R-X400/R-X400B |
| Output Power | 80 watt per channel (RMS) at 8 Ω (1 kHz DIN) |
| THD | 0.003 % at 75 watt output |
| Intermodulation Distortion | 0.007 % at 70 watt output |
| Damping factor (1 kHz, 8 Ω) | 45 |
| Phono MM Sensitivity/Impedance | 2.5 mV/47 kΩ |
| VID Sound, AUX, DAD(CD), Tape Sensitivity/Impedance | 240 mV/40 kΩ |
| Phono SNR ('66IHF/DIN) | 80 dB/66 dB |
| Dimensions | 435 mm × 117 mm × 370 mm |
| Mass | 8.9 kg |