Matched Pair General Electric GE 12AU7 12AU7A ECC82 Vacuum Tubes Copper Support Rods NOS NIB Billig This RCA 872A rectifier tube

This RCA 872A rectifier tube is used

TUBES ARE GUARANTEED AS-DESCRIBED ON SHIPMENT

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

Tube One measured 55 while Tube Two measured 62 where minimum is 34 and new is 60

Tube One: Tube Two:

Matched Pair General Electric GE 12AU7 12AU7A ECC82 Vacuum Tubes Copper Support Rods NOS NIB Billig This RCA 872A rectifier tubeThis new old stock, new in box, nicely matched pair of General Electric 12AU7 ECC82 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 73 75 while Tube Two measured 75 76 where minimum (65%) is 56 56 and 100% is 87 87. These tubes have narrow 19 MM plates, each with two rectangular holes; O getters; copper support rods and excellent flashing. I have played them