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PS Audio 4.5 Schematic?
PS Audio 4.5 Schematic?
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Old 28th December 2017, 05:43 PM   #1
supergimp is offline supergimp  United States
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Join Date: Nov 2007
Default PS Audio 4.5 Schematic?

Hello,

I have a PS Audio 4.5 preamp that recently let the smoke out. I have been looking for a schematic for awhile to try to troubleshoot the issue but have come up empty. The fault took out the left channel of my phono cartridge so I can poke around, but would really like to find a schematic for guidance.

Just trying all resources to see if there's anyone who might have such a thing.

Thanks,

Steve
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Old 16th January 2018, 06:09 PM   #2
psemeraro is offline psemeraro  United States
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Join Date: Jan 2007
Location: Orlando, FL
Steve, mine did the same thing... and ended up in the e-waste pile after Paul at PS explained there is no schematic. Its a simple circuit but for me not worth bothering with.
Cheers Pat
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Old 16th January 2018, 06:52 PM   #3
supergimp is offline supergimp  United States
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Join Date: Nov 2007
Quote:
Originally Posted by psemeraro View Post
Steve, mine did the same thing... and ended up in the e-waste pile after Paul at PS explained there is no schematic. Its a simple circuit but for me not worth bothering with.
Cheers Pat
Yea, I posted on the PS Audio forums over the holidays and was encouraged when Paul told me to contact support after the new year for a schematic. I guess he overstated the case as support later said there was nothing when I contacted them a week or so ago.

To be fair, however, they did offer me a generous trade-in value on the unit should I want some new PS Audio gear. Unfortunately I was primarily using the 4.5 because I needed a good preamp with moving coil support and PS Audio doesn't really offer anything that is really a direct replacement.

Besides, I'm on more of a vintage Craigslist budget (and find that more fun), but they said the offer stands and maybe I'll take advantage of it one day.

Steve
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