09
Août
RCA BLACK PLATE 6072A LOW NOISE 12AY7 TUBE MADE BY GE
6072A Tube. Made in USA Low Noise 12AY7. Black Plate Halo Getter Made by GE, Labled RCA. GE Labled for RCA. Years ago, I put away a bunch of...
09
Août
NOS NIB NATIONAL BLACK PLATE 6072A LOW NOISE 12AY7 TUBE MADE BY GE
Made in USA Low Noise 12AY7. Matched Date GE Made for National. Black Plate Halo Getter Made by GE. Years ago, I put away a bunch of great Tubes....
09
Août
Matched NOS Pair Westinghouse 6072 Tubes Black Plates Disc Getters Amplitrex
Tested on an Amplitrex AT1000. Matched NOS Pair Westinghouse 6072 Vacuum Tubes | Black Plates | Disc Getters.
09
Août
Used Tested Raytheon Red Print 6072A 12AY7 BLACK PLATE 3 MICA PREAMP TUBE
I am selling this rare Raytheon red print 6072A triple mica black box plate audio tube that is very well tested and guaranteed.
09
Août
Lot of 3 GE GL 6072 5 Star Black Plate Triple Mica Tested
GE GL 6072 tubes. TRIPLE MICA. Tested very good on my Dyna-Jet 666.
08
Août
NOS GE 6072 JG-6072 (12AY7) BLACK-PLATE 3-MICA TUBE MIC QUALITY 1959 TROPHY NOS
1959 LOW-NOISE G.E. 6072 = WORLD'S BEST 12AY7 sub. This is the ULTIMATE cream-of-the-crop of the G.E. USA LOW NOISE 6072 TUBE! THE HOLY-GRAIL OF THE G.E. 6072 CLASS...
08
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2 National 6072A Tubes / Etracer Computerized Tested / 12AY7 / China
Two national 6072A tubes. Tubes test at 2144, 2114 and 2026, 2162 where 1137 micromhos is pass/fail grade. Made in China.