GEC Genalex KT88 Vintage Amplifier Vacuum Tube Made in UK TEST Marginal O.9782
Manufacture Date 1972, Week 48 — GEC Genalex factory. Tube Type Beam Power Tetrode. Model KT88. Results: 40 (MARGINAL / LOW). Common Use Power Amplifier. ALL TUBE AUDIO. Tube Specifications. This tube tests below minimum Good, it still may operate fine depending on its use.
1 x Beautiful 1959 GE GZ34 5AR4 Vintage Tube Copper Clad + Box, Super Balanced
Copper Clad Design + GE Box. Perfectly Balanced on Amplitrex and TV-7, see test pictures.
NOS NIB RCA 5AR4 GZ34 Vintage Rectifier VACUUM TUBE Guitar Amp TESTED B.9889
Model 5AR4 GZ34. Tube Type Rectifier. Manufacture Date 1958, August — RCA Harrison, NJ plant. Labeled for RCA made by SYLVANIA. Common Use Guitar Amp. Condition NOS. ALL TUBE AUDIO. Tube Specifications.
NOS QUAD (4) KEN RAD 7193 2C22 Black Plate (6J5 6SN7 sub) Vacuum Tubes C.9918
Model 7193. Using as SUB for 6J5G and 6SN7 require the use of an adapter. (ADAPTER NOT INCLUDED). Condition NOS. Plate Black Plate. ALL TUBE AUDIO. Tube Specifications. Tube Type Triode.
TUNG SOL JAN CTL 5R4WGB Ceramic Base RUGGED Rectifier VACUUM TUBE Tested A.9137
Model 5R4WGB. Tube Type Rectifier. Common Use Rectifier. Variant Ceramic Base, Dual Support Rod. ALL TUBE AUDIO. Tube Specifications. Plate Black. Why Buy From All Tube Audio?.
MATCHED Pair NOS TUNG SOL 6SL7GT Black Glass Vintage VACUUM TUBES K.9699
Model 6SL7GT. Condition NOS. Plate Grey Round. ALL TUBE AUDIO. Tube Specifications. Tube Type Dual Triode. Variant Black Glass. Why Buy From All Tube Audio?.
MATCHED PAIR TUNG SOL 12BH7A Black Plate D Getter AUDIO VACUUM TUBES 8.9847
Model 12BH7A. Getter D Getter. ALL TUBE AUDIO. Plate Black Plate. Tube Specifications. Tube Type Dual Triode. Why Buy From All Tube Audio?. Common Use Audio Preamp, Driver.
12BH7A NATIONAL ELECTRONICS FIREYE 26RJ8 6058 TUBE NEW
NOS NIB US ARMY US NAVY NATIONAL UNION JAN CNU 813 TUBE DATED 1945 VT-144 TUBE
Dated 1945. National Union JAN CNU-813. Original U.S. Army U.S. Navy. Tube in original box. Tested for good continuity. Clear Glass. No discoloration.