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Preamp A/B switch

vectra

Guest
Aug 29, 2014
18
0
55
Hi TB'er,
I need a preamp with A/B switch for mix 2 bass on stage (active and passive).
The bass doesn't have the same output, so when I switch to my passive one, I need to change my input level and reset EQ each time.
Any suggestions ?
 
I considered this problem when I designed my tube pre-amp so I built it with two channels. Each has Gain, Level, Treble and Bass. There's a switch to enable one on the other or both channels. My EQ is set flat as I like how my basses sound right out of the jack. I'm sure that I can't be the only person to have thought about this need.
 

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