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QP21 x 2, QP22B x 2, 240B, PD220 push-pull output valves. Heaters OK
$17.57 USD

Sold on: 2014-Feb-16

Marketplace: eBay
1 Treasure
0 Trash
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Detail:

6 twin triode and twin pentode push-pull output valves with B7 bases. 2 - QP22P by Mullard - factory codes 976.2 with 2B? and 2BX 2 - QP21 by Marconi and Osram 1 - 240B by Cossor 1 - PD220 by Mazda Ba...




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