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Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum |
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#1 |
diyAudio Member
Join Date: Mar 2005
Location: Near Gothenburg, the westcoast of Sweden
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I have got a pretty large collection with tubes as a christmas present
![]() Several of them has unreadable labels and most of them are common TV tubes which not are that useful anyway. But I would like some help with one type of tube which I have three of. It's a long size 9pin tube with goldplated pins and top anode which also are goldplated. It seems to be a double penthode tube. I have never come cross anything like this before. As a challenge for all tubelovers before the new year arrive, I have taken two photos of one of the tubes and put up to see here ![]() Please, is there anybody recognizing this tube? ![]() ![]()
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Cheers// Ove |
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#2 |
diyAudio Member
Join Date: Apr 2004
Location: Monroe Township, NJ
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Are you sure that's an anode, not a cathode, cap? Is that a "normal" Noval base or is it the heavier duty Magnoval? The Russian 6Д22С (6d22s) is a Magnoval based damper diode, with a cathode cap.
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Eli D. |
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#3 |
diyAudio Member
Join Date: Mar 2005
Location: Near Gothenburg, the westcoast of Sweden
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Normal 9 pin and definately an anode coupled top hat.
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Cheers// Ove |
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#4 |
diyAudio Member
Join Date: Jun 2004
Location: Gotenburg
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EL81 or PL81
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Tubes 4 ever |
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#5 |
diyAudio Member
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Yes, looks like PL81 to me
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#6 |
diyAudio Member
Join Date: Mar 2005
Location: Near Gothenburg, the westcoast of Sweden
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Yes, you are probably right
![]() PL81 it seems to be. Thanks
__________________
Cheers// Ove |
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