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Which tube can make headamp.

post #1 of 4
12/8/09 at 9:57am
Thread Starter 
I have collected some Nos tube, but I don't have more information about it.

1. JAN 5933 Tungsol USA
2. 6146B Raytheon USA
3. JAN 2E24 RCA USA
4. JAN 2E26 GE Canada
5. 7984 USA
6. 5670 Sylvania
7. 5726 Sylvania
8. JAN 6130 (3c45) USA

What tube can make headamp(with schematic please).

(Sorry 4 my bad English)
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post #2 of 4
12/8/09 at 11:18am
Go to duncanamps.com and check datasheets of most of your tubes.
These seem to be beam pentodes except for the 5670 which seems to be the only one to be used in a headphone amplifier.
Schematics... none ;-(
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post #3 of 4
12/22/09 at 6:07pm
5933 - This is essentially an 807. You could use it in a two stage triode strapped transformer coupled headphone amp, but it's way overkill for the job.

6146 - Same as above

2E24 - This has some potential. It is directly heated, and probably pretty linear if triode strapped, but you would have to find or make triode curves.

2E26 - Somewhat similar to the 2E24, but indirectly heated, so not as good of a choice.

7984 - Probably overkill

5670 - Yes, and this is a good choice as a driver for some of the larger tubes above.

5726 - Double diode, not very useful, could possibly be used as a warmup delay for the driver stage B+ in a two stage amp.

6130 - Looks to be a thyratron?? If so, totally useless.
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post #4 of 4
12/22/09 at 6:47pm
Quote:
Originally Posted by audiowize View Post
6130 - Looks to be a thyratron?? If so, totally useless.
totally useless? what about using it for a rectifier?
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