How to: Often with a tube amp you might wish that the actual amplifier had less gain. Yes really. But in these days of incredibly high gain levels on tube amps with as many as seven or eight pre-amplifier tubes in your amp how would you do that?
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Well there's a simple answer that anyone could do! Firstly you have to check if you have a 12AX7 tube in the first pre-amp socket and if you do then your luck is surely in for today. Simply buy a 5751 tube, remove the 12AX7 tube, fit the 5751 and you have instantly reduced the gain that the pre-amp can produce! The 5751 has 30% LESS gain than the 12AX7!
Get advice and answers for questions like:
Why change my 12AX7 for a 5751?
What special tools do I need?
Is it safe?
Does this procedure apply to any amp?
Why does it matter?
Will this preamp tube change the sound of the amp?
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So it's that easy?
In this video I compare the 12AX7 tube against a 5751 in two identical amplifiers... both Bogner Brixtonamps set on exactly the same settings.
Check for yourself which one is 'best' and tell me in the posts below.
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