RE: What would cause a Pioneer SA-6700 to have a wooly sound? - gordguide - Vintage Asylum

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RE: What would cause a Pioneer SA-6700 to have a wooly sound?

In Reply to: What would cause a Pioneer SA-6700 to have a wooly sound? posted by LowRedMoon on December 9, 2016 at 13:23:27:

In my experience, that is the typical sonic signature of a 70's era Japanese receiver. The main culprit is the phono preamp; try almost any reasonably good 3rd party phono pre into an unused line level input and see what you think. Ideally just borrow one (a decent one; avoid the $50 specials) and see if that brings some naturalness to male vocals and bass instruments.

I'm sure you will then decide to seek out a Phono Preamp that meets your quality requirements.

Your phono cartridge choice could be contributing. Some are a little dark to begin with, and the combination doesn't add up well.

There are many Phono Preamps that are decent at about $100, and you can certainly hear improvements in Sound Quality (SQ) as you go up in price. If you don't need Moving Coil capabilities, you can keep it under $500 and do quite nicely. My advice would be if you do decide to try a MC pickup to go the transformer route in combination with your chosen MM pre-preamplifer, but that's another topic.

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Follow Ups Full Thread

Topic - What would cause a Pioneer SA-6700 to have a wooly sound? - LowRedMoon 13:23:27 12/09/16 (9)

Service Manual. - Timbo in Oz 12:31:07 12/12/16 (0)

Replace all teh PSU caps, replace the PSU diodes with Schottkys, and then listen. - Timbo in Oz 13:28:22 12/10/16 (2)

RE: Replace all teh PSU caps, replace the PSU diodes with Schottkys, and then listen. - sony6060 06:35:21 12/12/16 (1)

It's an SS integrated amplifier. - Timbo in Oz 12:29:03 12/12/16 (0)

RE: What would cause a Pioneer SA-6700 to have a wooly sound? - gordguide 08:19:11 12/10/16 (0)

I had the Pioneer SA-9700 and they are worth the effort - airtime 15:44:45 12/09/16 (1)

RE: I had the Pioneer SA-9700 and they are worth the effort - LowRedMoon 18:40:03 12/09/16 (0)

Maybe being a "mammoth" amount of years old?? :) - popsy 14:34:26 12/09/16 (1)

RE: Maybe being a "mammoth" amount of years old?? :) - LowRedMoon 14:39:28 12/09/16 (0)

Follow Ups

RE: What would cause a Pioneer SA-6700 to have a wooly sound? - gordguide 08:19:11 12/10/16 (0)

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