1P24B Russian tube - Page 5

toptip · 22nd January 2021, 03:58 PM

Thank you very much! Looks right.

I think mine may be made in 1989 — per the barely visible plate on the radio — but i figure, just like the car itself, it was probably produced unchanged over many years.

sser2 · 22nd January 2021, 08:06 PM

1989 impossible. That time the next car model, GAZ-24, was already discontinued. GAZ-21 was discontinued in late 60s.

Btw, there is no 1P24B in this radio. This tube was not sold to the public, the only civilian gadget using this tube that I know of was MELZ Foton UV light source.

toptip · 22nd January 2021, 08:12 PM

That is very possible. I thought 1989 only based on this vaguely legible script.

sser2 · 22nd January 2021, 08:38 PM

What I see is 1968.

toptip · 24th January 2021, 02:50 AM

So this radio works...kind of.

The speaker output is very weak but that could be something on the radio side, not the transistor amp.

I could not tune in anything on the AM scale.

On FM, using a 70 to 108MHz transmitter on 71MHz, I was able to receive a very weak output. Even with the transmitter antenna touching the radio’s, reception was barely audible, but of good quality.

I will check the B+ which is supposed to be 135VDC but beyond that not sure where to start.

I have to say access is better than many car radios. Case parts come off all sides.

22nd January 2021, 03:58 PM	#41
toptip diyAudio Member Join Date: Dec 2004 Location: New York City	Russan car radio Thank you very much! Looks right. I think mine may be made in 1989 — per the barely visible plate on the radio — but i figure, just like the car itself, it was probably produced unchanged over many years.

24th January 2021, 02:50 AM	#45
toptip diyAudio Member Join Date: Dec 2004 Location: New York City	Volga radio So this radio works...kind of. The speaker output is very weak but that could be something on the radio side, not the transistor amp. I could not tune in anything on the AM scale. On FM, using a 70 to 108MHz transmitter on 71MHz, I was able to receive a very weak output. Even with the transmitter antenna touching the radio’s, reception was barely audible, but of good quality. I will check the B+ which is supposed to be 135VDC but beyond that not sure where to start. I have to say access is better than many car radios. Case parts come off all sides.

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22nd January 2021, 08:06 PM	#42
sser2 diyAudio Member Join Date: Jan 2003 Location: Pittsburgh, PA	1989 impossible. That time the next car model, GAZ-24, was already discontinued. GAZ-21 was discontinued in late 60s. Btw, there is no 1P24B in this radio. This tube was not sold to the public, the only civilian gadget using this tube that I know of was MELZ Foton UV light source.

22nd January 2021, 08:38 PM	#44
sser2 diyAudio Member Join Date: Jan 2003 Location: Pittsburgh, PA	What I see is 1968.