Soviet 1539

The 1539 is one of the Soviet 1500 series. These are specially selected or modified versions of pre-existing Soviet production types. In the West, among the most commonly found 1500 types are the 1578, a specilized version of the 6N8S (6SN7GT), and the 1579, a specialized version of the 6N9s (6SL7GT).

The 1539 is a specilized version of the 6N5P, a nine-pin, all-glass double triode, manufactured in Novosibirsk.

Abbreviated data for the 1539:

Mu = 33
Gm = 4.2 mA/V
Rp = 7.9K
Heater 6.3V @ 600 mA

Reference: Two arcticles in Tube Collector magazine, by Daniel Stocks, April 2016 (Vol 18 No 2) and June 2019 (Vol 21 No 3)

If someone will create a page for this tube, I will upload the picture.

Cheers,

Ken

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... and here is the original datasheet...

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Hello,

the tube page for type 1539 is created, you can upload pictures and data sheets now.

Best Regards,
Jacob

 

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Hello Jacob,

I converted the pdf to a gif using gimp and uploaded it.  I think it worked.

Thanks! :)

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