SKU:77489804405
Mullard 5AR4 GZ34 Rectifier Vacuum Tube NOS-Testing
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- USA
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Ships within 48 hours · Estimated delivery Jul 21 - Jul 26
Description
Mullard 5AR4 GZ34 Rectifier Vacuum Tube NOS-TestingThis new old stock testing Mullard 5AR4 GZ34 rectifier tube tested an almost perfectly balanced 64 62 in sections One and Two, respectively, on our Paul Hart calibrated TV7 U where minimum (65%) is 40 40 and 62 62. There were no emissions drop running the filament at 4. 3 rather than five volts. It has an F32 B5A1 factory date code and the customary Mullard hole in its centering pin. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE
This lot of four Sylvania 12BF6 tubes tested to spec on our Paul Hart-calibrated TV7/U
Tube One measured 41 while Tube Two measured 42 where minimum (65%) is 27
new in box GE 1A4P tube tested to spec on our Paul Hart-calibrated TV7/U
new in box GE 6DU3 / 6DQ3A tube tested to spec on our Paul Hart-calibrated TV7/U
These tubes have crenelated rectangular mica spacers
black ladder plates
This new old stock-testing gold pin
Transconductance measured 36
3 milliamps with a transconductance of 2320 micromhos while Tube Two measured 21
This trio of RCA black plate 6CG7 / 6FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts
Probably Mullard
new in box US-made 5EA8 tubes tested to spec on our Paul Hart-calibrated TV7/U
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Exchange/Return Notes
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