ONE – Amperex (GE) 12AX7A Vacuum Tube (the Vacuum Tube described and pictured). Triode 1: TV-7 Reading = 40 = 1000 umhos = 80%. For Reference: Typical New TV-7 test value for a 12AX7 is 50 (1250 umhos).
Item Category: Vintage Electronics
-
NEC Japan 12AD7 Premium Audio VACUUM TUBE (12AX7, 7025 Sub) TESTED Strong 9.9122
Model 12AD7. Sub for 12AX7 ECC83 or 7025. Tube Type Dual Triode. ALL TUBE AUDIO. Tube Specifications. Why Buy From All Tube Audio?. Plate Grey. Common Use Audio Preamp.
-
60s GE Short 7025 Gray plate O getter 100/100 a side NOS! Rare
The pictures shows a 60s GE Short 7025 Gray plate O getter 100/100 a side NOS! Tube Tester Scale reads. So, for example. Last picture show the box with the “12ax7” stamped on the end. So lets say on a scale of 1-10 — Any tube testing 7 or below, was either sold to the secondary market or if testing low enough.
-
New 1x Sovtek 12AX7WB / 7025 / 12AX7 | One / Single Tube | Free Ship
The Sovtek 12AX7WB/7025 has more gain and saturation than other 12AX7’s. We all know that swapping out tubes can be one of the more effective ways of improving your tone. At Tonal Tubes, we help you achieve that next level tone.
-
CBS 7025 (12AX7 ECC83) Long Plate D Getter VACUUM TUBE TV7 TESTED STRONG
Tested strong using a professionally calibrated TV7A/U tube tester at 42/40gm (32 is minimum).
-
ANOS Westinghouse 7025 ECC83 Tube Low Noise D-Getter 12AX7 12AX7A B339 7025
Here we have for sale is a great ANOS tested Westinghouse 7025 ECC83 tube. Low noise version of the 12AX7 tube with the desirable D-getter combination. 14mm grey plates. 2x tested with included Hickok TV-7 testing with results shown in photos.
-
GE 7025 / 12AX7A / ECC83 O Getter BALANCED for Emissions Great Logos
See photos for test results. Lettering still in great shape.
-
GE 12AX7 7025 Tube Long Gray Plates Top Getter USA Tested Good Vtg w/ Orig Box
Originally built as a premium, ruggedized version of the 12AX7, the 7025 was specifically selected for the lowest possible microphonics and hum, making it the top choice for critical audio applications.
-
PHILIPS ECC83 SHORT GRAY PLATE TUBES Platinum Matched on AT1000 12AX7
Triple Platinum Matched on Amplitrex AT1000. Amplitrex AT1000 Test Results 90%+ GM = Within NOS Specs 90%+ EM = Within NOS Specs. All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE and NOISE (large tube lots are not tested for noise).