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WTB Dynaco PAS3 Preamp

Wanted to buy
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#3
Used PAS preamps are mostly in poor shape by now, and will need complete restoration, and lots of new parts.
Will need new boards, new filter capacitor, new controls, new wiring, new jacks. The 1970 price was $89. new.

You can get brand new chassis/panel/knobs, transformers, capacitors, and boards.
https://www.dynakitparts.com/
 
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#6
Just opened up has original dynaco branded telefunken 12ax7/ECC83 and Dynaco 12x4 rectifier, inside very clean, not sure it was ever used much. Factory wired in a wooden case. Everything original, still has selenium rectifier. I think I bought about 25 years ago never used much as I had still had an older Hafler and Self preamp
 
#7
PXL_20231101_225940381.jpg
 
#8
ericoto said:
Just opened up has original dynaco branded telefunken 12ax7/ECC83 and Dynaco 12x4 rectifier, inside very clean, not sure it was ever used much. Factory wired in a wooden case. Everything original, still has selenium rectifier. I think I bought about 25 years ago never used much as I had still had an older Hafler and Self preamp
Click to expand...

Yes, those are the tubes that Dynaco supplied with the kit. What does the front look like?
How much? Do you have the original box for shipping?
 
#12
rayma said:
Used PAS preamps are mostly in poor shape by now, and will need complete restoration, and lots of new parts.
Will need new boards, new filter capacitor, new controls, new wiring, new jacks. The 1970 price was $89. new.

You can get brand new chassis/panel/knobs, transformers, capacitors, and boards.
https://www.dynakitparts.com/
Click to expand...
The 1970 cost of $89 is with inflation equal to $700 in today's money
 
#14
Most of the caps and the boards are OK
The resistors could be out by a bunch now.
Replace all the electrolytic caps and any selenium rectifier with silicon.
If the rectification is half wave a bridge can be used if the grounded secondary wire is long enough.
 
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