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In the Forum: Analog Playback
In the Thread: An interesting Russian pnonocorrector.
Post Subject: Uber-tweeky phono topologies deconstructedPosted by cv on: 3/4/2010
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Hello Paul,
The first stage is a pentode, so the Miller cap is negligible. As for the other things you mentioned, there is a detailed exploration, which covers some of your points, by Dave Slagle at:
http://www.intactaudio.com/forum/viewtopic.php?t=1026
I do highly recommend LTSpice (free download) for answering such engineering-type questions... plenty of tube-oriented info and fairly accurate tube models available from the above website. Takes a wee bit of time to setup but well worth it.
best,
cv
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