966 mercury vapor rectifier

Dave Cigna · 10th February 2006, 10:01 PM

I've got a pair of Cetron 966 mercury vapor rectifiers that I've been using for a while (very happily.

) They look identical to Hytron 866A's that I have, and seem to operate identically as well. Ok, so I've been treating them as 866A's, but every now and then I start wonding what the difference might be ...

Anyone know anything about them?

SY · 10th February 2006, 10:08 PM

http://home.comcast.net/~nwilson343/tubes/966.html

Not super detailed, but...

Dave Cigna · 10th February 2006, 10:41 PM

Thanks Sy.

Wonder why I never uncovered that page in my web searches. Anyway, it claims higher voltage rating, yet the rating it lists is the same 10kV PIV as the 866A. hmmm

I did find interesting info there about a mysterious EIMAC 327-A triode (that I picked up who knows where.) I learned that it takes 100W to light the filament! I guess I won't be building a pulsed radar transmitter until I collect some more parts.

10th February 2006, 10:01 PM	#1
Dave Cigna diyAudio Member Join Date: Oct 2003 Location: Finger Lakes, NY	966 mercury vapor rectifier I've got a pair of Cetron 966 mercury vapor rectifiers that I've been using for a while (very happily. ) They look identical to Hytron 866A's that I have, and seem to operate identically as well. Ok, so I've been treating them as 866A's, but every now and then I start wonding what the difference might be ... Anyone know anything about them?

10th February 2006, 10:08 PM	#2
SY diyAudio Moderator Join Date: Oct 2002 Location: Austin, TX	http://home.comcast.net/~nwilson343/tubes/966.html Not super detailed, but... __________________ "It is not seemly, after wiping your nose, to spread out your handkerchief and peer into it as if pearls and rubies might have fallen out of your head." - Erasmus

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10th February 2006, 10:41 PM	#3
Dave Cigna diyAudio Member Join Date: Oct 2003 Location: Finger Lakes, NY	Thanks Sy. Wonder why I never uncovered that page in my web searches. Anyway, it claims higher voltage rating, yet the rating it lists is the same 10kV PIV as the 866A. hmmm I did find interesting info there about a mysterious EIMAC 327-A triode (that I picked up who knows where.) I learned that it takes 100W to light the filament! I guess I won't be building a pulsed radar transmitter until I collect some more parts.

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