6p21s russian output beam tetrode tubes new lot of 2
6p21s russian output beam tetrode tubes new lot of 2
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6P21S Output Beam Tetrode Tubes Direct Filament, SAME DATE: XI-1975, 2pc
$39.99
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6P21S RUSSIAN output beam tetrode tubes NEW Lot of 2
$9.95
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6P21S 6П21С SOVIET HF BEAM TETRODE POWER TUBE USED
$11.90
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6P21S Output Beam Tetrode Tubes Direct Filament, SAME DATE: XI-1977, 4pc
$59.99
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2x 6P21S Soviet Output Beam Tetrode Tube USSR NEW no Box
$12.00
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10x 6P21S Soviet Output Beam Tetrode Tube USSR NEW NOS BOX 10pcs
$79.49
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4x 6P21S Soviet Output Beam Tetrode Tube USSR NEW NOS 4pcs #403
$28.45
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