Tube Amp Doctor 12BH7A-STR
Tube Amp Doctor

Tube Amp Doctor 12BH7A-STR

Maximum of Reliability - Outstanding Tonal Quality! 1st Choice for Ampeq SVTs!
The all-new TAD 12BH7A-STR combines the best sonic and mechanical performance of the NOS RCA black plate with advantages of the GE version. A maximum of reliability with outstanding tonal quality makes the new balanced selected TAD 12BH7A-STR the first choice for Ampeg SVT´s, the Blackstar HT-5 and high-end applications.
Q: When does a preamp tube become a Premium Selected tube?
A: All preamp tubes labeled Premium Selected have passed the following tests:
-      Low Noise Test
-      Microphonic Test
-      Gain Test
-      Sonic Tests
-      Shock Tests
-      Listening Tests
-      Balanced Output Test
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