somut

Responses from somut

Stepped Attenuator to replace Potentiometer.
Thanks for the responses. I have not contacted Henry Wolcott as of yet; he and Mr. Lomax are quite busy (great, knowledgeable gentlemen by the way!), so I might first try the technician who knows these amps well enough to wrestle with their intric... 
Stepped Attenuator to replace Potentiometer.
Hello Mr. Porter:It is good hearing from you. I spoke with you some time ago from up here in New Hampshire. We are using the original CA-250 monos from 1972 -- pretty much renovated throughout -- that was listed as MR-250 (for Marine Research). As... 
Solid State or Tube Preamp mated with Tube Monos?
Pubul57: Going back nearly quarter of a century, I experienced the following evolution in preamps:1. Superphon Revelation (S.S.);2. Counterpoint SA-1000 (Hybrid);3. Counterpoint SA-5000 (Hybrid);4. Audible Illusions Modulus 3A (Tube);5. Threshold ... 
Solid State or Tube Preamp mated with Tube Monos?
Thanks for the response Jaybo. The Threshold output impedance is less than 100 ohms; while the Wolcott input impedance is 250,000 ohms. The specs -- given some say that the input impedance on amp should be at least 10X the pre ouput impedance -- s... 
Tandberg 3012 Integrated w/ Innersound ISIS ESLs
Thank you for the generous input gentlemen. Happy New Year. 
Optimation PA/CA-250
Hello Mr. Optimationman:Thank you for your response. I have my Optimation PA-250 monos running well, now that a local technician -- with expertise in engineering by way of working at some reputable firms -- has replaced some of the carbon resistor... 
Ampex Model 1250 Tubed Reel-to-Reel
Gentlemen:I offer a gracious thank you for taking the time out of your day to answer this relatively complex issue. Like a good vinyl setup, this reel-to-reel endeavor is going to require some careful thought and research; more so given the expect...