Tube tester settings?

jaymanaa · 16th August 2006, 01:24 AM

Hi all, I am trying to test some 2A3's and just realized that none of my tester data has settings. The two testers I have that have sockets that a 2A3 will fit in are a Heathkit TC-1 or a Sylvania type 140. Thought maybe someone here may have them or could point me in a direction to look. I've yahoo'd and googled with no luck. Thanks in advance for any advice, Jay

anatech · 16th August 2006, 01:42 AM

Hi jaymanaa,
The only thing I can suggest is to grab some tube manuals and compare known settings with the specs on your 2A3. I can't remember which tube it is, but there is a 6 V tube that is roughly equivalent to your 2A3. Someone around here will know.

You are only going to get emission readings with those testers. try to pick up a "Dynamic Mutual Conductance" tester. One example would be the Stark 9-66, or most of the Hickok types. An American military TV-7 is another well known example. Most of these are Hickok designs built under license. You can do some research on this.

-Chris

jaymanaa · 16th August 2006, 01:58 AM

Yeh, even 45 settings would work for what I need to do. Darn I can't remember the 6.3 heater tube either but I may have the settings for it if someone knows the whole number

16th August 2006, 01:24 AM	#1
jaymanaa diyAudio Member Join Date: Jan 2006 Location: Kansas	Tube tester settings? Hi all, I am trying to test some 2A3's and just realized that none of my tester data has settings. The two testers I have that have sockets that a 2A3 will fit in are a Heathkit TC-1 or a Sylvania type 140. Thought maybe someone here may have them or could point me in a direction to look. I've yahoo'd and googled with no luck. Thanks in advance for any advice, Jay __________________ "Make everything as simple as possible, but no simpler" Einstein

16th August 2006, 01:58 AM	#3
jaymanaa diyAudio Member Join Date: Jan 2006 Location: Kansas	Yeh, even 45 settings would work for what I need to do. Darn I can't remember the 6.3 heater tube either but I may have the settings for it if someone knows the whole number __________________ "Make everything as simple as possible, but no simpler" Einstein

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16th August 2006, 01:42 AM	#2
anatech diyAudio Moderator Join Date: Jun 2004 Location: Georgetown, On	Hi jaymanaa, The only thing I can suggest is to grab some tube manuals and compare known settings with the specs on your 2A3. I can't remember which tube it is, but there is a 6 V tube that is roughly equivalent to your 2A3. Someone around here will know. You are only going to get emission readings with those testers. try to pick up a "Dynamic Mutual Conductance" tester. One example would be the Stark 9-66, or most of the Hickok types. An American military TV-7 is another well known example. Most of these are Hickok designs built under license. You can do some research on this. -Chris