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RE: TU-882R Headphone Amp - Possible Mods

"What is the input impedance of the component you'll be feeding" This Mike, is the question asked on the V-Cap coupling cap calculator so I don't have to go back to school. The input impedance of the amp is stated at 50k, I measure 45kish. The headphones I use are 75 ohm and of course this is irrelevant. So then, the component I'll be feeding is the second stage of the tube at 1M. This is what I didn't get. The V-cap calculator works fine, gets around 3hz with 1 meg plugged in. A minus 3db at like 15hz should be ok shouldn't it?? This would mean much smaller than a .047 could be used?? Is it just a phase shift issue or would it be something else?? The next problem is how to get silk fibers into Pano caps? Great info, Thanks, Tweaker
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  • RE: TU-882R Headphone Amp - Possible Mods - Tweaker456 21:41:49 04/12/16 (0)


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