Powerful Belles 400A Stereo Power Amplifier - $499 (Cranston)

Powerful Belles 400A Stereo Power Amplifier 1

Powerful Belles 400A Stereo Power Amplifier 1 thumbnail

condition: excellent

make / manufacturer: Belles Research Corporation

model name / number: 400A

size / dimensions: 17″W × 6″H× 16″D

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Impressive Belles 400A power amp can drive any speaker and sounds fantastic. Excellent condition. One owner and well taken care of in a smoke and pet free home. I removed it from the system after testing and will hook it up to demonstrate for buyer. Awesome amplifier for $499 firm.

Information found online:
The Belles 400A is a highly regarded vintage solid-state stereo power amplifier known for its dual-mono design and massive toroidal power transformers. Originally priced around $1,495 in the late 1980s, it delivers robust current and warm, non-harsh sound characteristics.
Key specifications:
Power Output: 200 continuous watts per channel into 8 ohms (20 Hz - 20 kHz)
Total Harmonic Distortion (THD): Less than 0.05% into 8 ohms at rated power
Dynamic Headroom: 1.4 dBSlew Rate: 200 V/μ s
Intermodulation Distortion (IMD): 0.1%
Design: Dual-mono power supply with van den Hul cable wiring, Tiffany connectors, and a toroidal power transformer
Dimensions: 17″W × 6″H× 16″D
Weight: 50 lbs

post id: 7947171660

posted: 2026-07-14 14:23

updated: 2026-07-16 15:38

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Powerful Belles 400A Stereo Power Amplifier - electronics - by owner...

Impressive Belles 400A power amp can drive any speaker and sounds fantastic. Excellent condition. One owner and well taken care of in a smoke and pet free home. I removed it from the system after...