Consumer Electronics > Vintage Electronics > Vintage Audio & Video > Vintage Parts & Accessories > Vintage Tubes & Tube Sockets > 6AU6A RCA NOS Vacuum Tube Pentode ( Ef94 )

2 6AU6A RCA Factory Matching Gray Plate NOS NIB USA Orange Label IA Code




Item History & Price

Information:
Reference Number: Avaluer:29816788Country/Region of Manufacture: United States
MPN: 6AU6AType: Vacuum Tube
Brand: RCAUPC: Does not apply
Original Description:
TUBES = 2 RCA 6AU6A, a factory matching pair

You are buying 2 tubes type 6AU6A RCA gray plate orange label,
a factory matching pair, "IA" code each tube.

Tube #1:
4800 micromhos @ 7.9ma plate currentTube #2:
4300 micromhos @ 7.4ma plate currentTest parameters and notes:
photos show each tube being testedno shorts, leakage, or gassignal voltage = 1.0 vacbias = -1.3 filtered Vdc6000 meter scale
score of 2800 or higher is good for 6AU6
Test results on my p...rofessionally calibrated Western Electric KS-15560 (advanced version Hickok 539B) mutual conductance tube tester, with digital plate current meter upgrade. 
[INV9]



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