Accuphase E-3000
Not much is documented about the Accuphase E-3000. It was a stereo preamplifier, listed alongside the P-300 stereo power amplifier in a 1979 equipment directory. HiFI-Stereo (1979, p.43) gave its rated output as 2 V into a 10,000-ohm load, with a maximum of 8 V. High-level input gain was 20 dB. Phono input gain was 60 dB, and the phono overload figure was reported at 90 mV. The design was DC-coupled, with a low-frequency filter (12 dB/octave) and four switched inputs. Phase shift stayed within 0.1 degree from 20 Hz to 20 kHz.
Beyond that directory entry, no production years, original price, dimensions, weight, circuit topology details, or market context for the E-3000 have surfaced. It appears to have been Accuphase’s preamplifier companion to the P-300 power amplifier of the late 1970s, but the record is thin.
Known Specs (from the sole period source)
- Rated output: 2 V into 10 kΩ load (8 V max.)
- Gain: 20 dB (high-level), 60 dB (phono)
- Phono overload: 90 mV
- Phase shift: within 0.1° (20 Hz – 20 kHz)
- Low filter: 12 dB/octave
- Design: DC-coupled, four switched inputs
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