2 General Electric GE 21JZ6 Vacuum Tubes Valves NOS NIB Lot Of Two Magnoval

2 General Electric GE 21JZ6 Vacuum Tubes Valves NOS NIB Lot Of Two MagnovalFor sale are two new old stock, new in box GE 21JZ6 tubes.

new in box milspec RCA 12SG7 JAN-CRC-12SG7 tube tested to spec on our Paul Hart-calibrated TV7/U

I have played it in my Musical Paradise 301 MK 3 and it sounds excellent -- airy with excellent dynamics and signal bandwidth

This DVD is sealed

WE HAVE HAD A DOZEN OR SO LESS-THAN-FOUR-STAR REVIEWS OR HAVE LOST A CUSTOMER BECAUSE WE REFUSED TO EITHER ISSUE A REFUND FOR A TUBE THAT WENT BAD AFTER IT HAD BEEN USED OR A BUYER DID NOT LOOK AT THE PICTURES AND/OR READ A DESCRIPTION THOROUGHLY

2 milliamps' plate current

Tube one measured 25 in its triode section where minimum (65%) is 27 and 100% is 43

The diameter across the porcelain is approximately 1

new in box RCA 17KV6 tubes tested to spec on our on our Paul Hart-calibrated TV7/U

The Rayteons are Japanese and the Sylvania is American

It light to moderate surface noise

54/54 and 54/54 where minimum (65%) is 40/40 and 100% is 62/62

WE CAN ONLY TEST FOR THE PARAMETERS MENTIONED ABOVE