Revox B201
The Revox B201 is an odd entry in the Studer-Revox catalog. The surviving record can't agree on what it was. The most reliable sources, hifi-wiki.com and Vintageshock, identify it as a power amplifier: a Swiss-made, MOSFET-based design rated at 2 × 50 watts into 8 ohms, with a frequency response of 20 Hz-20 kHz, THD below 0.03%, and a signal-to-noise ratio above 100 dB. Input sensitivity is listed at 1 volt, and power consumption at 150 VA. Vintageshock calls it "most Swiss old-school at its best" and an "excellent sounding amplifier."
HiFi-Engine lists the same model number as a cassette deck with "Super Auto Reverse." Two independent sources classify it as an amplifier, with matching specs, so the power amplifier is the likelier answer. The conflict is still unresolved. The B201 designation may have been used for more than one product, or one source may have mislabeled the entry. Until a service manual or period brochure settles it, the amplifier identification is probable rather than certain.
The record does not contain production years, original price, dimensions, or weight. There is no collector market data either. In a period review, HiFi-Stereo reported the B201 as an optional infrared remote-control unit that could handle the B251 and other Revox components (HiFi-Stereo, October 1983, p.19). The B201 appears to have been a relatively rare component in Revox's lineup, and the thin documentation reflects that. A period review in Audio (September 1984, p.52) noted that the Revox CD player was not as expensive as expected.
Known specifications (as a power amplifier):
- Output: 2 × 50 W at 8 ohms
- Frequency response: 20 Hz – 20 kHz
- THD: < 0.03%
- S/N ratio: > 100 dB
- Input sensitivity: 1 V
- Power consumption: 150 VA
- Output stage: MOSFET
- Origin: Swiss made
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