Valkyrie.... line-stage preamp..... info??
Anyone have links for this preamp?
I have built Jung's AD744/AD811 circuit found on his pages, but I wonder how this Valkyrie differs ?
The only info I've found is to order backissues from AudioXpress.
It was a project published there.
It is the essentially the same circuit. The Valkyrie adds buffers to the tape outputs etc and is not dual mono.
I have follow questions concerning this:
1) Who can upload the schematic and the mentioned articles from post #1?
(maybe the Schema is according fig.7 from
2) Which commercial line preamp uses this topology?
3) Are there measuring results at different cable loads resp. different capacity loads at the output ?
4) Are there RIAA phono stages in this basic topology?
Thank you for your help.
Only follow threads here on diyaudio I have discover to this topology:
one more URL in this case:
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