6CJ3 rectifier or 6D22S rectifier - diyAudio
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Old 16th April 2007, 12:47 PM   #1
56oval is offline 56oval  Australia
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Default 6CJ3 rectifier or 6D22S rectifier

I,m building a push/pull 300B amp with seperate power supply for input/driver stage 6sn7 and 300B output stage .
I was going to use 866 or 83 M/V cons out weight the pros.
Next the 5AS4 better than most 5U4,s .

Reading about the T.V. damper diodes eg.Lynn Olson and a few others .
So what are your thoughts
6CJ3 or
6D22S Svetlana

looked at the 3B28 xenon gas more RF than the M/V.
Cheers
Malcolm.
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Old 16th April 2007, 01:01 PM   #2
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NOS 6CJ3s are bullet proof. I used them in my bread board amps for a few years without a single issue.
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Old 16th April 2007, 01:06 PM   #3
56oval is offline 56oval  Australia
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Jeff thanks for the reply
Who would be a good supplier in Vic .

cheers
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Old 16th April 2007, 07:17 PM   #4
Gluca is offline Gluca  Italy
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MV rectifiers are so cuuuute (not a single issue with 866A in one year or so ... but ... yes they need more care)

Ciao
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Old 16th April 2007, 07:36 PM   #5
Irakli is offline Irakli  United States
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Hi,

Go with 6CJ3. They do not require anode cap.
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Old 18th April 2007, 01:16 PM   #6
56oval is offline 56oval  Australia
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I,ve tried 8 different tube suppliers around the world none have 10 of the same 6CJ3,s.
different brands have different voltage drops 25v@700ma
50v@680ma
25v@350ma
Ih value 1.8
2.5
1.2
So I might go with the Svetlana 6D22S a hard valve to get pinout and ratings on.
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Old 18th April 2007, 10:58 PM   #7
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Quote:
Go with 6CJ3. They do not require anode cap.
Neither do 6D22DS - it's a cathode cap (same difference, though!)


I've been using 6D22S for a couple of years. Nice long (30sec) soft start, up to 600v h-k, ~350mA current and at least 1000v PIV. Forward voltage drop is only 10-15v.
Evatco sells them in Australia.
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Old 19th April 2007, 03:26 AM   #8
mach1 is offline mach1  Australia
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Quote:
I,ve tried 8 different tube suppliers around the world none have 10 of the same 6CJ3,s.
Try House of Tubes garage sale:

http://www.house-of-tubes.com/home/garagesale.asp

I got a large batch of GE 6DW4B/6CJ3 at $1.25 a pop.

pm
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Old 19th April 2007, 03:32 AM   #9
56oval is offline 56oval  Australia
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I tried Evatco only had 2.
Mach 1 I,ll give house of tubes a go.

House of tube,s out of stock.
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Old 19th April 2007, 06:25 AM   #10
mach1 is offline mach1  Australia
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if you only need four, I might be able to oblige.

pm
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