General Electric GE 3CZ3 3CZ3A Vacuum Tube Valve NOS NIB 10DE7 NOS NIB It will also be also

It will also be also -- as time becomes available -- on our Paul Hart-calibrated TV7/U for a more-familiar point of reference for most

new in box Sylvania 7A6 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 6JT8 tubes tested to spec on our Paul Hart-calibrated TV7/U

74/37 and 76/54 where minimum (65%) is 50/40

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