65.73.133.103
In Reply to: RE: I just read that... posted by Phil Sieg on May 05, 2009 at 18:43:11
Do you really want to constantly fretting over this?
Um, no. Thus my answer in the post:
http://www.audioasylum.com/forums/bottlehead/messages/13/135758.html
get a transformer spec'd for this
Well, that's the Sowter 9055. Not expensive, but times are tight, the 9055 specs are not as good as the 9063, and the I have the 9063 installed already. That's why I figure I'll just start with the 9063's and caps, perhaps tweak later.
Just don't know if you can hope to get them <100 μA close
Yup, that's the question, if one adds the qualifier "without making it the focus of the whole project". This started out as a simple PS upgrade, went to SUT's, new OT's, direct coupling, then balanced input, now PP first stage, then optimization for headphone output, then a stereo/mono switch at the output along with the headphone/crossover selector switch. Along the way that led to tonearm rewiring, a SAMA, and now a new motor pulley for a flat tape belt like yours. Eliminating the coupling cap interests me, but not if it becomes a new tangential challenge. I wanna hear some music!
But I'm really glad you're working on it. I'll probably contact you about it in the fall, when I'm ready for some electro-nanocurrential-techno-logical adventurism. The real interest to me is the whole concept of using ingenuity to allow for the installation of less expensive, great sounding trannies spec'd for no DC, in place of larger DC rated trannies that have previously been the only choice in these applications.
Thanks again.
Triamp... Take a load off!
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