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I added more B+ capacitance to Paramour and have mixed results.

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I added a 100 uF 500V capacitor across terminals 12 and 15 of the Paramour as a variant of Paul Joppa's suggestion to increase the capacitor across terminals 14 and 15. The original cap from terminal 14 to 15 is still there.

The peak to peak output hum using a scope on 5 mV/div was cut by a bit more than half. The bass is much stronger, but I lost resolution in the highs and mids. My wife wants to keep the bass. I want the resolution back.

The capacitors I used were LCR dual section 50 uF 500V (100 uF total) capacitors that I originally bought to repair a Dynaco amp, they went into my Paramour instead.

The ground is actually attached to terminal 12 because it was easier to get to. The + went to terminal 15. The cap was mounted between the RCA jack and the power transformer with three nylon tie anchors and three nylon ties. I had to move the parafeed choke leads closer to the power transformer to make it fit. The capacitor is large and extends almost from terminal 20 to the driver tube socket.

Besides redoing the grounding on the capacitor, does anybody have any suggestions? I’m running into a slight mental block and I need to be kick started!

Is it possible that the increased bass is overdriving the paramour output iron and causing the loss in resolution?



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Topic - I added more B+ capacitance to Paramour and have mixed results. - VoltSecond 10:36:06 12/23/00 (7)


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