I came across this site: kk-pcb.com that offers pcbs of Pass projects, priced in Euros so probably in Europe somewhere (duh?). My first question: Is this a legit site or are they ripping off Papa? Second question: Is there a construction article about the Tube Zen? I have all 9 original Zen articles, but never saw one for a Tube Zen and a web search does not find one. A search of this site turns up only a couple very old and brief threads so i decide to start a new one instead of add to one of them.
Thanks for the enlightenment (pun intended)
Thanks for the enlightenment (pun intended)
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Regarding KK's boards, check out http://www.diyaudio.com/forums/pass-labs/37125-how-get-pass-amp-kits.html, especially around post #37.
Edit: There are a few remarks on a tubed version of the BOZ on diyaudio, just search a bit: http://www.diyaudio.com/forums/pass-labs/58549-tube-boz.html
Edit: There are a few remarks on a tubed version of the BOZ on diyaudio, just search a bit: http://www.diyaudio.com/forums/pass-labs/58549-tube-boz.html
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Tube Sen
Amazing thread. According to the master himself, it is OK.
The pcb I was looking at was a Tube Zen amp, not preamp, though that too is interesting. Any word on the Tube Zen amp project?
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Looking only at the fact it uses the 6C33 valve would make me think twice. It's a monster tube, more often seen in the output stage of an amplifier. It takes a lot of heater current and generates a lot of heat. They are fairly pricy too. I've no idea how well the design performs. If I really wanted to play with this particular tube I'd search for information to build the "Melquiades" amplifier. If I wanted to build the Tube-Zen I might consider the Aikido amplifier as a front end, would have to see if it had the drive capability.
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