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In Reply to: RE: Been there posted by airtime on August 19, 2014 at 06:27:49
I cannot confirm this in writing but I have read that the Output and Power Transformers used in these Pioneer Tube Receivers and Integrated Amplifiers were wound by Hashimoto under contract.
I have found that more than any other factor, high quality output transformers make a real difference in the sound.
Years ago I also restored a Sansui 1000A and the performance of the Pioneer SX-110 reminds me of that super liquid presence the Sansui had.
Currently I am using the SX-110 in my Family Living Room connected to the Stereo OUT of my Plasma TV. Speakers are Focal 706V and the match is pretty good.
The original Loudness capacitors had a very muddy bass, so the new Poly caps really cleaned up the low end. I use the Loudness late night and early morning at low volumes.
One nice feature is the AUX input has a rear level control potentiometer. It helps tame the Digital Sources down to 1970's line levels.
All in all I will find is sad to part with this receiver after so many years or work.
But once I get the Phono Stage and the FM Stereo up to par, it will be looking for a new home.
This is in line for the upcoming winter season project list.
Leonard Cohen's vocals really come through on this receiver.
Follow Ups:
Sansui definitely used Hashimoto "iron". Therefore, the sonic similarities you observe make sense. Darned tootin that the quality of magnetics has a substantial impact on tubed amp performance.
Eli D.
I have a Pioneer tube integrated amp and the transformers appear to be very high quality. The circuitry is very similar to the Sansui amps that I have seem.
Dave
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