SKU:28244078982
3 RCA 12AU7 12AU7A ECC82 Black Plate Vacuum Tubes Lot Of Three
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- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Description
3 RCA 12AU7 12AU7A ECC82 Black Plate Vacuum Tubes Lot Of ThreeThis trio of RCA black plate 12AU7A ECC82 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 60 79, 66 58 and 82 72, respectively where minimum (65%) is 56 56 and 100% is 86 86. They have matte, black 17MM plates; slanted D getters; steel support rods and excellent flashing. I have played them in my Radio Craftsmen RC 2 monoblocks (with adapters, not
This tube has 352 C date codes
gray and silver bottles
new in box GE 4MK8 tubes tested to spec on our Paul Hart-calibrated TV7/U
This new old stock-TESTING RCA Radiotron type 56 triode was tested on our Paul Hart-calibrated TV7 for shorts
CONN-BRANDED and CONN-SELECTED 12AU7A / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts
It has a Telefunken diamond (<>) embossed in its base with terrific flashing and silkscreening
This new old stock-testing matched pair of Hytron-MANUFACTURED
This matched pair GE 6AX4GT rectifier tubes was tested on our Paul Hart-calibrated TV7/U for shorts
a thimble getter and excellent flashing
They have 939 and 252 date codes
but I could not test it and
new in box US-made 6JW8 / 6LX8 / ECF802 tubes tested to spec on our Paul Hart-calibrated TV7/U
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