- Posted by Paul Joppa on June 12, 2000 at 21:42:34:
In Reply to: Music in a bottle: 6H30-Pi posted by Tom §. on June 12, 2000 at 08:30:27:
>>I really liked the 6N1P ... I imagine you could pound on that little tube for hours and you still wouldn't get any microphonics.I was just recently playing with an amp with a 6N1P driving a 300B. The 300B output made more output noise when thwacked than the 6N1P, even though it was the driver stage. Excellent tube for microphonics!
Any sense if the 6H30Pi is equally silent when kicked?
Incidentally, I am guessing the H is a Cyrillic N, and that 6H1Pi or 6N30P are equally valid. We seem to have an odd mix of transliterations in this business! Is the H or N an indicator that the tube is a dual triode? I note that there are some 6Cxx tubes (or 6S) which are single tubes - the 6C33B and the 6C45 come to mind. Does anybody know?
- Re: Music in a bottle: 6H30-Pi Tom §. 05:15:34 06/13/00
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- In Reply to: Re: Music in a bottle: 6H30-Pi posted by Paul Joppa on June 12, 2000 at 21:42:34:
> > Any sense if the 6H30Pi is equally silent when kicked? < <
When I first pulled the tube out of the box, I gave it a little tap (it wasn't plugged in to anything). What I heard sounded like the mica rattling against glass that lasted for about 4-5 seconds. There is a little wafer of what appears to be mica hanging in between the getter and the mica spacers used on the plates. I have no idea why it is there. Anyway, after plugging the tube(s) in and whacking the box with a sledgehammer or two, I feel the 6H30Pi is just as ruggedly built as the 6N1P.
Tom §.
- Re: Music in a bottle: 6H30-Pi Uncle Ned 02:04:50 06/13/00
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- In Reply to: Re: Music in a bottle: 6H30-Pi posted by Paul Joppa on June 12, 2000 at 21:42:34:
C, single triode, H, dual triode.
You can look it up here:http://www.arrakis.es/~igapop/russianotes.htm
C is also a *suffix* used to designate a glass tube.
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