Tube markings?

jrenkin · 26th November 2011, 02:54 AM

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...)

DHT112A · 26th November 2011, 03:28 AM

0A3, VR75 Voltage regulator

jrenkin · 26th November 2011, 05:32 PM

Thank you, that makes sense. Now I have too many of these.

v4lve lover · 26th November 2011, 08:10 PM

quite usefull stuff if youd want to shunt stabilize some voltage for a preamp

jrenkin · 26th November 2011, 10:11 PM

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...

DHT112A · 27th November 2011, 01:06 AM

You can use them with a CCS.

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

26th November 2011, 02:54 AM	#1
jrenkin diyAudio Member Join Date: Nov 2007 Location: Denver, Colorado	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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26th November 2011, 03:28 AM	#2
DHT112A diyAudio Member Join Date: Jun 2005 Location: Tacoma , WA	0A3, VR75 Voltage regulator

26th November 2011, 05:32 PM	#3
jrenkin diyAudio Member Join Date: Nov 2007 Location: Denver, Colorado	Thank you, that makes sense. Now I have too many of these.

26th November 2011, 08:10 PM	#4
v4lve lover diyAudio Member Join Date: Aug 2010	quite usefull stuff if youd want to shunt stabilize some voltage for a preamp

26th November 2011, 10:11 PM	#5
jrenkin diyAudio Member Join Date: Nov 2007 Location: Denver, Colorado	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...

27th November 2011, 01:06 AM	#6
DHT112A diyAudio Member Join Date: Jun 2005 Location: Tacoma , WA	You can use them with a CCS. http://www.pimmlabs.com/web/26_batte..._linestage.gif

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