Hi all
I found this link
http://www.thesoundofthevalve.it/AHNjoeTjoeb4000_super_tube_clock.html
There isn't much info but the photos look very interesting. What does the tube do in this CDP clock? Anyone has information about it?
I found this link
http://www.thesoundofthevalve.it/AHNjoeTjoeb4000_super_tube_clock.html
There isn't much info but the photos look very interesting. What does the tube do in this CDP clock? Anyone has information about it?
I would think it was a Colpitts or other 'standard' oscillator using the triode instead of a FET. I dare say squaring is done by a gate.
Does the Xtal have a coil round it ?? or is it just damping material?
Andy
Does the Xtal have a coil round it ?? or is it just damping material?
Andy
It's seem to be damping material only. From the photos, I do not see any connection from outer of the crystal to the PCB other than 2 legs of the crystal itself.
As much as I love tubes (look at my posts elsewhere here) I can't imagine this is anything more than a marketing ruse. There are a lot of compelling reasons to use tubes in the audio path if you are so inclined, but I can't think of a single reason to do this as opposed to say the Kwak clock, LCAudio Lclock XO3 or the TentLabs clock. (Or for that matter a good diy clock if you have the instrumentation and patience to design a low jitter, stable clock. ) Tubes wear out and suffer significant parameter shifts over their useful life.
Of course YMMV..
Of course YMMV..
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