Old School Audio MP1/ Revive modded
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This is an osa mp 1 500 series mic preamp with Lundahl transformer,based on the classic API 312. I had it reworked by Revive audio last year($175 for upgrades). They installed one of their custom op amps, replaced a faulty gain pot and tweaked the circuit for cleaner/ better gain structure. This preamp sounds wonderful now, very much on par with my Api 312.
I added a different knob with set screw for the gain control as it grabs the pot shaft better than the original knob, which will be included.
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| Listed | 4 days ago |
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| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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