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Matched Quad Sylvania 12AU7 12AU7A ECC82 Vacuum Tubes CONN-Selected NOS-Testing 12GN7 Nonal Menin" by Mercury Living Presence
Matched Quad Sylvania 12AU7 12AU7A ECC82 Vacuum Tubes CONN-Selected NOS-Testing 12GN7 Nonal Menin" by Mercury Living Presence
$53.28
Description
Menin" by Mercury Living Presence
Transconductance (TV7/U): 54/51
IN WELL OVER 2000 TRANSACTIONS
top O getters and rectangular mica spacers crenelated on the short axes
It is for the antenna alone
Matched Quad Sylvania 12AU7 12AU7A ECC82 Vacuum Tubes CONN-Selected NOS-Testing 12GN7 Nonal Menin" by Mercury Living PresenceThis new old stock testing matched quad of Sylvania MANUFACTURED, CONN BRANDED and SELECTED 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 81 82 for Tube One and 81 85 for Tube Two. Tubes Three and Four measured 84 80 and 81 85, respectively where minimum (65%) is 56 56 and 100% is 86 86. These tubes were selected by CONN Organ for
Shipping Notes
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