Revox E-36 (ca. 1962)
Not much is documented about the Revox E-36 beyond a handful of period trade advertisements and reviews. Here is what the record shows. It was a stereo tape recorder with three Papst motors and three heads, and no pressure pads or tensioning pins. It took spools up to 25 cm (10″) and could wind 2,400 ft of tape in under 80 seconds. Studio Sound (August 1962, p.13) noted that hum was negligible thanks to screened heads, DC-heated preamplifiers, and transistors in the low-level stages.
The E‑36 had a monitoring amplifier that could be switched into any of the two input or two playback preamplifiers. That gave an instant A/B comparison between the source signal and the recorded signal from the tape a fraction of a second later. The same review described stereo recordings being made, replayed, and amplified to cathode-follower level (1 V).
An advertisement in Studio Sound (November 1962, p.32) carried a two‑year guarantee. It said the machine was “not mass produced but virtually hand‑made for reliability and consistently high standard of performance.” The ad listed a 10 W push‑pull output and record/replay responses of 40-16,000 Hz ± 3 dB at 7½ ips, 40-10,000 Hz at 3¾ ips, and 50-6,000 Hz at 1⅞ ips (at optimum bias). Signal‑to‑noise ratio was given as 50 dB (half‑track) or 45 dB (quarter‑track) at 3¾ ips. The deck was a modified Collaro Studio unit. Microphone and radio/gram inputs each had separate gain controls for mixing, and there were separate bass and treble controls (± 12 dB at 50 Hz and 12 kHz).
Almost nothing else survives. No service manual, no production run figures, and no original price have been confirmed. The E‑36 appears to have been a transitional model in Revox’s early‑1960s line, sitting between the mono A36 and the later solid‑state machines.
- Type: Stereo tape recorder
- Motors: Three Papst motors
- Heads: Three (record/playback/erase; no pressure pads)
- Tape speeds: 7½, 3¾, 1⅞ ips (19, 9.5, 4.75 cm/s)
- Output power: 10 W push‑pull
- Track configurations: Available in 2‑track or 4‑track versions
- Inputs: Microphone and radio/gram, each with independent gain
- Special feature: Switchable monitoring amplifier for source/tape comparison
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