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Pioneer A-717

Stereo Integrated Amplifier (1988-89)

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Pioneer A-717


Power output: 100 watts per channel into 8Ω (stereo)

Frequency response: 1Hz to 150kHz

Total harmonic distortion: 0.003%

Damping factor: 70

Input sensitivity: 0.2mV (MC), 2.5mV (MM), 150mV (line)

Signal to noise ratio: 77dB (MC), 95dB (MM), 108dB (line)

Output: 150mV (line)

Dimensions: 420 x 435 x 162mm

Weight: 19kg


instruction/owners manual   English -

service manual (ARP1437)  English - Digger747

instruction/owners manual   Italiano - TRIPPO

instruction/owners manual (alt scan)  English - phacoman

service manual (ARP1684)  English - Ivy Caudieus

mkII service manual (ARP1592)  English - Ivy Caudieus

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Reviewed Oct 13th, 2014 by Thol

The score refers to what I regard as the potential I see in this machine.

I bought it used from a Japanese national chain of resellers. It was sold as junk with no assurance or guarantee that it would work. It was missing a big knob, but other than that, it looked in pretty good shape.

The build quality is absolutely outstanding in every respect. It was a machine designed to unseat a niche concept that was then dominated by Sony. So this amp became part of a war for public attention and approbation — a situation that benefited the public market. For a short time, serious audio was affordable for more enthusiasts. Moreover, these rivals may have produced their ultimate models before hi-end fell into the eager hands of the boutique market. For that reason, the A-717 should be taken as a serious contender.

I used it on my main line until something went wrong with the phono EQ section. It was detailed and untiring to listen to. I then consigned it to hard duty in the family AV lineup where it performed 10 years of hard service — maybe tens of thousands of hours — often in very humid Japanese summers — albeit with a fan I stuck I on the grill.

For the shear integrity in it's construction, it's non-switching power supply, its carefully designed layout and the pitch-filled, potted transformers ... I rate this as a fascinating, worthy instrument.

I intend to rebuild it in the near future.



re: A-717

I've got no sound coming from the left channels ( Phono input is not working too) . Any ideas?

re: A-717

Try hitting the Phono EQ button and waiting for a bit, it should cut in after a while.
(apols if you're aware of this feature)
I had a problem with mine which required the input knob to be finely tweaked (Shower stylee) to get
my right channel working (only on CD input)

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