Pioneer A-40 Integrated Amplifier

Sold for: $240

This amplifier comes from a very interesting series — at the top of the range was the massive 200 watts RMS per channel Pioneer A-90 (or A-200 in Japan), the biggest integrated amplifier that Pioneer has ever produced (and many consider to be their best integrated).

But the interest in this particular amp lies more in the era in which it was produced and in its distinctive styling. Introduced to the market in about 1984, this line of Pioneer amps seems to be a lightweight attempt to regain some of the kudos of the silver-faced seventies era after the failure of the early 1980s computer-new age-modern-plastic styling that no-one now wants. In fact, history now sees these as transitional models between the failed computer age and the dominant black-faced equipment that characterises the late 1980s and beyond. The fascia is brushed aluminium but the insets and knobs are plastic.

Sonically, these amplifiers are exceptional — they use the same non-switching design that was first popularised in the now-legendary SA-x800 series at the end of the 1970s. This technology would feature in all of the upper-end Pioneer gear until about 1994. It is an effective technology, producing clean, almost clinical, sound with an nearly unbeatable separation of instrumentation throughout the soundstage.

I do not, however, much like the design, as the volume and balance knobs remind me of the smokestacks at nuclear plants. Still, a couple of people liked it enough to get into a bidding war. The eventual purchaser told me he had bought it on a nostalgic whim as he clearly remembers seeing this model in audio shop windows when he was a youngster.

And here are the specifications:

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