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6BQ5 / EL84 / 7189 tubes
We have a variety of vintage USA and European made 6BQ5 / EL84 tubes in stock, including RCA, GE, Sylvania, Siemens, Amperex, Mullard, etc. If you are interested in this tube type, please contact us. Thank you for your interest.
The vintage Russian EL84 / 6BQ5 tubes in this precisely matched pair have gray plates and large halo getters. The yellow print on the glass reads "Bentley Acoustic Corporation." Both tubes test as new and are matched for current draw (mA) and Gm.
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The Ei EL84 / 6BQ5 tubes in this precisely matched quad have gray plates and large halo getters (kM4 series). Tubes test as new and are matched for both current draw (57.4-60.9 mA) and transconductance (106%-113% Gm).
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The vintage Russian 6P14P-EV (6Π14Π-EB in Cyrillic script) tubes in this precisely matched pair are high-reliability EL84 / 6BQ5 type tubes. They have a higher maximum plate voltage and dissipation than standard 6BQ5 tubes. Both tubes test as new.
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The vintage Russian 6P14P-EV (6Π14Π-EB in Cyrillic script) tubes in this precisely matched quad are high-reliability EL84 / 6BQ5 type tubes. They have a higher maximum plate voltage and dissipation than standard 6BQ5 tubes. Tubes test as new.
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The 1970s Telefunken EL84 / 6BQ5 tubes in this precisely matched pair have round gray plates and halo getters. The diamond imprint is in the glass base. Both tubes test as new and are matched for current draw (44.0 & 45.6 mA) and Gm (90% & 94%).
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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