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Brimar CV2975 / EL84 - matched pair

Brimar CV2975 / EL84 - matched pair
Price: $129.00
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Item Number: 669
Manufacturer: Brimar

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The rare 1960s Brimar CV2975 tubes in this precisely matched pair are military spec EL84 / 6BQ5 type tubes. They have gray plates with copper grid posts and halo getters with dual supports. The partial white print on the glass reads CV2975 KB / AD (missing on one tube).
 
Tubes are matched for both current draw (40.6 mA & 41.4 mA) and transconductance (85% & 87% Gm). They ship in new white boxes with test results.
 
These tubes are sold as a matched pair. Photo is of the actual tubes.

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Mullard EL84 / 6BQ5 - matched pair
Mullard EL84 / 6BQ5 - matched pair
Price: $139.00
Mullard EL84 / 6BQ5 - matched pair
The 1965-66 Mullard EL84 / 6BQ5 tubes in this matched pair have gray plates and halo getters (kM1 series). They have the GE logo and the Blackburn, UK factory code. Both tubes test as new and are matched for both current draw (46.0 & 47.2 mA) and Gm.
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SHIPPING SCHEDULE
Orders received
Nov 22-27 will
ship Nov 28-29
.

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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