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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


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Reviewed Jun 28th, 2018 by Danewass

I have this amplifier and I am just amazed how wonderful it sounds all of these years later S/N ratio right there with the best of today. Seventy Eight pounds makes you not ready to re position all the time. This and my Emotiva's are neck and neck. Try this and you will forget lots of past equipment.

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.



Difference between A-717 and A-717 Mark II

I own myself an A-717 Mark II european model and I just wanted to know the exact difference between both of them. Someone told me that they have changed some (electrical) parts. As far as I can see all specs are the same. The overall structure seems to be also the same. So what is different?

Thank you.

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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