Nakamichi PA-7EII
Little is documented about the Nakamichi PA-7EII. The record shows it was a Nakamichi power amplifier, since the model is named as such in surviving owner's and service manual listings. It also shows that a service manual for it has been archived at 21 pages, 2.82 MB, in English. That is about the extent of the hard documentation. No specifications, production years, original price, dimensions, or circuit details appear in any source we were able to locate.
Even the manual record has a problem. One manuals source lists a "PA-7EII Service Manual" at 21 pages and 2.82 MB. Another lists a "PA7AII Service Manual" with the identical page count and file size. These may be the same document labeled inconsistently, or two different manuals. The record doesn't say. Treat the page count as approximate until someone can compare physical copies.
What does exist is owner-level material, not published documentation. A seller listing describes a "PA-7EII power amplifier legende serviced" - and "serviced" is the only condition detail given. A German-language seller description praises the amp in enthusiastic but non-technical terms: solid bass foundation, dry lows, "almost playful composure" on critical passages, and (in German) very fast, very dynamic, with a rarely transparent soundstage. That's marketing copy, not a review, and we cite it as such. A diyAudio thread records a hand-me-down Nakamichi system - tuner, preamp, and a PA-7EII - that arrived blowing line fuses. The thread gives no diagnosis, no repair outcome, and no parts information.
On the market side, a 2025 German classified listing offered a PA-7EII paired with a CA-5EII preamp at €3,300. A Russian listing showed a serviced PA-7EII at 635,090 ₽. Neither is a clean single-unit price, and both are single-source, so we won't draw conclusions from them.
One caution. The often-quoted "200 W/ch into 8 ohms, 20-20,000 Hz at 0.1% THD" figure belongs to the earlier Nakamichi PA-7, not the PA-7EII. It circulates in PA-7EII discussions, but no source we found attributes it to this model, and we won't either. The "EII" suffix implies a European-market revision of some kind, but nothing in the record confirms what changed.
If you own a PA-7EII and have the owner's manual or a spec sheet, that's the missing piece.
Known facts
- Type: Power amplifier (per manual and listing sources)
- Manufacturer: Nakamichi
- Service manual: 21 pages, 2.82 MB, English (page count disputed — see note above)
- Owner's manual: Confirmed to exist across two manual archives
- Reported fault (one owner): Blows line fuses on power-up; no resolution recorded
- Production years, price, power output, dimensions: Not documented
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