12Bh7a,Electro-Harmonix 12BH7 Gold Pin Pre-Amp Vacuum Tube

Electro-Harmonix 12BH7 Gold Pin Pre-amp Vacuum Tube

12BH7A

12BH7A-STR - TAD Tubes, Premium Selected

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Tube Complement for Blackstar HT-5

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12Bh7a Popular Q&A

Q: Can you substitute a 12bh7 for a 12ax7?
A: you can substitute them, meaning that it will function in a circuit that uses common dual triodes, but if your using it in some audio/instrument/microphone appl... Read More »

Q: Help with using 12BH7`s in place of 12AX7`s?
A: You'll experience a huge loss in gain. They're a much higher current tube, with a much lower plate resistance, so the frequency response changes. Off of the top... Read More »

Q: Hey anyone know a good place to get a 12BH7 for the blackstar HT5...
A: The HT-5's have a "good" valve in them* from day one, it has to be because otherwise the amp would not meet spec' which tests for power output at various freque... Read More »

12Bh7a Helpful Resources

12BH7A - Dr. Tube
l 2 B H 7 - A. MEDIUM-MU TWIN TRIODE. 9—Pl N Ml N IATURE TYPE. Intended for use in equipment having series heater-string arrangement. GENERAL DATA.

12AY7 (substitute for 6072/6072A) / 12B4 / 12BH7A - Tube World
Best 12AY7 listed at: Best 12B4 listed at: Best 12BH7A listed at: 12AY7 / 12B4A / 12BH7A (click on links below to check stock) 12AY7 GE 1950's 12AY7 GE ...

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