SUPER HIGH GRADE 5692 / 6SN7GT DUAL TRIODE TUBE. MADE IN THE 1950'S FOR A GREAT SOUNDING 6SN7 GT / 5692 TUBE DONT MISS OUT. GREAT SOUNDING TUBE WORKING...
HIGH GRADE 6SN7GT / VT-231 TUBES MADE MANY YEARS AGO IN THE USA. RAYTHEON TUBES FOR THE US MILITRAY. YOU GET ALL 3 TUBES FOR THE PRICE. ALL 3...
Up for sale is a RCA 6SN7GT VT-231, vacuum tube NOS with copper rods and, round top. Not in original box. It was tested on a Amplitrex, top-of-the-line tube...
WOW SUPER RARE RCA BROWN BASE BADBOY NOS 6SN7GT TUBE. THIS SILVER LOGO BEAUTY IN A GREAT UPGRADE FOR YOUR 6SN7GT / VT-231 / B65 TUBE NEEDS. THIS SQUARE...
Identical in structure to the WWII era Sylvania VT231. Matched pair. WAVY GLASS - Made in the USA - D getter.
Each individual tube has been thoroughly analyzed and verified on our laboratory-gradeAmplitrex AT1000 digital tube tester. Test Triode. SYLVANIA JAN-6SN7GT VT-231 - 2 PCS. GRADE: GOLD SERIES | LABORATORY...
1944 JAN CKR 6SN7GT VT-231 Ken-Rad. Made In USA. No universal test result defines NOS. NOS tubes fall within the GM range published in the RCA Receiving Tube Manual;...
Light base crack. Listening tested for low noise and excessive microphonics.
These are one of the best 6SN7 series which bring about dynamic and very harmonic sounding quality. This military version is more durable since they were made for the...