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Old 26th November 2011, 02:54 AM   #1
jrenkin is offline jrenkin  United States
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Default Tube markings?

I have 4 tubes that I think are rectifier tubes, 4 pin octal base and look like it. They are marked with CG2C (the "G" is the Russian figure that looks like an upside down "L").
Anyone have any more information? I knew what they were equivalent to when I bought them, but with my glacial pace of DIY project advancement, I have long since forgotten. My guess is that they are similar to some very common rectifier, but help before I blow a few up (at least I have 4...)
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Old 26th November 2011, 03:28 AM   #2
DHT112A is offline DHT112A  United States
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0A3, VR75 Voltage regulator
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Old 26th November 2011, 05:32 PM   #3
jrenkin is offline jrenkin  United States
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Thank you, that makes sense. Now I have too many of these.
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Old 26th November 2011, 08:10 PM   #4
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quite usefull stuff if youd want to shunt stabilize some voltage for a preamp
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Old 26th November 2011, 10:11 PM   #5
jrenkin is offline jrenkin  United States
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I suppose, but I am using a ccs in the current build, tubelab SE.

I don't suppose there is any value in regulating the bias voltage source.

Maybe my next amp. I want to try a 307A PP, but not much point until I finish this glacial amplifier...
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Old 27th November 2011, 01:06 AM   #6
DHT112A is offline DHT112A  United States
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You can use them with a CCS.

http://www.pimmlabs.com/web/26_batte..._linestage.gif
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