BOULDER 500M
¥ 980,000 (around the early 1990 s)
Commentary
This is a stereo power amplifier with a new design of 500 ae and a common design of M series.
High-efficiency, ultra-low distortion design circuit of 2-stage configuration and large toroidal transformer are adopted.
It can also be used as a high-power monaural power amplifier by bridge connection.
Handles are provided at both ends of the panel.
Equipped with a protection circuit.
.JPG)
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 197x Depth 470 mm |
| Weight | 27kg |