39/44 Tube

darren1156 · 11th August 2010, 02:18 PM

I have a pair of RCA 39/44 tubes lying around. Got then while buying some other tubes as well. Any idea what can i do with a pair of these?

Arnulf · 11th August 2010, 06:05 PM

2 single-tube AM receivers ?

I can't think of any other useful device that would only utilize these (and no other tubes and/or other devices). However if you had an output stage these could be put up front to serve as preamplifiers. Heck, you could put together a tube/sand hybird

Mr. Zenith · 11th August 2010, 06:58 PM

Quote:

Any idea what can i do with a pair of these?

You could find an early 1930's-vintage Philco console radio to put them in. The 39/44 was a remote-cutoff (non-linear) tube used in the IF stages of these old receivers. For more information look here.

I doubt there is any real audio use for this tube. Perhaps other, more experienced members of this forum know of some.

mashaffer · 12th August 2010, 12:02 AM

Maybe guitar overdrive pedal.

bob91343 · 12th August 2010, 05:32 AM

It's something like a 6BA6, popular in IF amplifiers and occasionally RF amplifiers in tuners.

darren1156 · 13th August 2010, 01:07 PM

Thanks for all the inputs. I really like the preamp idea as i do not play the guitar. Besides that, i messaged a guy that had done up a preamp with that very tube.

Hopefully i will be able to do something up with this pair. This pair is a beauty with its mesh plates, would be a waste to dispose of them.

11th August 2010, 02:18 PM	#1
darren1156 diyAudio Member Join Date: May 2010	39/44 Tube I have a pair of RCA 39/44 tubes lying around. Got then while buying some other tubes as well. Any idea what can i do with a pair of these?

11th August 2010, 06:05 PM	#2
Arnulf diyAudio Member Join Date: Feb 2009	2 single-tube AM receivers ? I can't think of any other useful device that would only utilize these (and no other tubes and/or other devices). However if you had an output stage these could be put up front to serve as preamplifiers. Heck, you could put together a tube/sand hybird __________________ mod verb, transitive /mod/ to state that one is utterly clueless about the operation of device to be "modded" and into "fixing" things that are not broken; "My new amplifier sounds great so I want to mod it."

12th August 2010, 12:02 AM	#4
mashaffer diyAudio Member Join Date: Jun 2004 Location: Indiana	Maybe guitar overdrive pedal. __________________ mike - www.keepingsundayspecial.org

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
700va 44-0-44 Toroid, Bride of Zen BOZ and Zen PCB	apoopoo999	Swap Meet	4	4th April 2010 02:01 PM
Mark Levinson No.39	fierce sound	Digital Source	3	7th February 2010 09:50 AM
Vifa P21WO-39-08	Alexnick	Multi-Way	25	19th January 2006 09:56 AM
Wrong heatsink for TO-39	murat	Solid State	1	19th January 2005 06:50 PM
PS2262 $39 each	silverD	Multi-Way	1	26th August 2004 08:06 PM

12th August 2010, 05:32 AM	#5
bob91343 diyAudio Member Join Date: Mar 2010	It's something like a 6BA6, popular in IF amplifiers and occasionally RF amplifiers in tuners.

13th August 2010, 01:07 PM	#6
darren1156 diyAudio Member Join Date: May 2010	Thanks for all the inputs. I really like the preamp idea as i do not play the guitar. Besides that, i messaged a guy that had done up a preamp with that very tube. Hopefully i will be able to do something up with this pair. This pair is a beauty with its mesh plates, would be a waste to dispose of them.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read