$7,500.00
Audio Research Classic 150 Mono Blocks
The Audio Research Classic 150 is a monaural hybrid power amplifier delivering 140-150 watts RMS into 2, 4, or 8 ohms. It combines FET input stages with eight (8) 6550 power tubes running in triode mode, utilizing a massive, 2-speed fan-cooled chassis. Designed with a 20dB gain and high current capability, it is known for producing a “melodious” midrange.
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Details
Description
- Power Output: 140 Watts minimum continuous at 8 ohms (10Hz-20kHz).
- Approximate Power at Clipping: 150 Watts (1kHz).
- Tube Complement: (8) 6550 power tubes (matched pairs).
- Frequency Response: 7Hz to 100kHz (-3dB points).
- Input Sensitivity: 0.6V RMS for rated output.
- Input Impedance: 60K ohms nominal.
- Damping Factor: Approximately 30.
- Output Regulation: ~0.3dB (8 ohm load to open circuit).
- Dimensions: 19″ (48 cm) W x 10.5″ (27 cm) H x 16″ (41 cm) D.
- Weight: 110 lbs (50 kg) net
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