Kenwood A-62 (1978–1979)
The Kenwood A-62 is an integrated amplifier from 1978. One period database describes it simply as "Kenwood's integrated amplifier from 1978." The record is mostly spec-sheet material. Several independent databases agree on the headline figures, but detailed circuit descriptions, market positioning and owner commentary haven't survived in the usual places. The sources do agree on a well-built amplifier: 70 watts per channel into 8 ohms with both channels driven, total harmonic distortion rated at 0.02%, and a damping factor of 60. Frequency response runs from 10Hz to 100kHz. Signal-to-noise ratio is rated at 105dB. Those numbers put it solidly among late-1970s integrated amplifiers. A period report from HiFI-Stereo noted the use of digital inputs with 48-kHz, 44.1-kHz, and 32-kHz sampling frequencies in contemporary integrated amplifiers HiFI-Stereo (December 1987, p.96).
Input sensitivity is listed at 2.5mV for both MC and MM phono inputs, with 150mV for line-level sources. One source phrases the phono section as "MC 25dB/2.5mV, MM 25dB/2.5mV" and adds a separate phono input sensitivity of 100mV/47kOhms. That's a format discrepancy, and it suggests the original spec sheet may have been transcribed differently across databases. It's a big unit: 446mm wide, 355mm deep, 142mm tall, and 14.2kg. The original price was 45,000 yen. One source gives production years as 1978-1979, while another just says "from 1978" with no clear end date.
Beyond those figures, documentation is thin. No design details, circuit topology or construction notes appear in any of the sources reviewed, and no period reviews or owner opinions have surfaced. Whether the A-62 sat above or below models like the A-52 or A-82 in Kenwood's lineup isn't recorded in the available material.
Known specifications:
- Power output: 70W per channel into 8 ohms, both channels driven
- THD: 0.02% at rated power
- Frequency response: 10Hz – 100kHz
- Damping factor: 60
- S/N ratio: 105dB
- Input sensitivity: 2.5mV (MC), 2.5mV (MM), 150mV (line)
- Dimensions: 446mm W × 355mm D × 142mm H
- Weight: 14.2kg
- Original price: 45,000 yen
- Production: 1978–1979 (one source lists 1978–1979; another states "from 1978")
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