BOULDER 500AE
¥ 860,000 (around the early 1990 s)
Commentary
Stereo power amplifier with 2-stage circuit configuration that realizes high efficiency and ultra-low distortion factor.
It can also be used as a monaural power amplifier by bridge connection.
Uses a protective circuit with less degradation of sound quality.
Model Rating
| Type | Stereo power amplifier |
| Effective power | 500W (8 ohm, mono) 250W + 250W (4 Ω) 150W + 150W (8 Ω) |
| Maximum power output | 600W (8 ohm, mono) 300W + 300W (4 Ω) 150W + 150W (8 Ω) |
| Instantaneous maximum current | 50A |
| Frequency characteristic | 20 Hz ~ 20 kHz + 0.00 -0.04 dB |
| Input impedance | Balance : 10k Ω Unbalanced : 33.5k Ω |
| External dimensions | Width 435x Height 187x Depth 417 mm |
| Weight | 24kg |