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Hello.
Recently i bought a Dynaco PAT-4 preamplifier. It needs a lot of love. It was complete, frontal panel in mint condition, but teh cover and the back will need a lot of love.
I decided to restore it. I am not technician in this arts (i just learned to solder....). A few time ago a good...
I have a Dyna Pas 3 pre-amp, restored, hooked up to a VTA St70 or a Dyna ST70 and it sounds fantastic with CD or tuner.
Now with a turntable it sounds good but no bass coming out at all. All tubes are still original.
I tried with a different Pre-amp hooked to the same system and the bass is...
My Dynaco PAS 2
Line stage with Siemens E80CC SQ and 24 step ELMA Attenuator, loudness switch used for -10dB level
RIAA amp with TAD 7025/E83CC Highgrade (matched dou - matched anodes) ..,, Clearity Caps, SDS Labs PSU board, NOS Dynaco 12X4 rectifier, Mogami Cabling, Tiffany style RCAs ...
My Dynaco PAS 2
Line stage with Siemens E80CC SQ and 24 step ELMA Attenuator, loudness switch used for -10dB level
RIAA amp with TAD 7025/E83CC Highgrade (matched dou - matched anodes) ..,, Clearity Caps, SDS Labs PSU board, NOS Dynaco 12X4 rectifier, Mogami Cabling, Tiffany style RCAs
a Barn-Find. looked like mice living inside when i got it. got new Faceplate, new fuseholders now, plan to disassemble completely, cleanup and reassemble this winter.
A picture of my rebuilt Dynaco MkIv's near one with cover off. They are driven by a pair of 240-110v isolating step-down transformers and feed the speakers through 1m of QED silver