AmpRX BrownBox & Brownie Voltage Optimizers

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AmpRX BrownBox Attenuator

AmpRX BrownBox Tube Amplifier Input Voltage Attenuator


BrownBox Voltage Optimization Device for Tube AmplifiersBrownBox was created to provide a safe range of voltage reduction levels for vintage tube amplifier designs. The same, era-correct voltage levels that the amps were designed around. AmpRX products can also be used with modern solid state amp designs protecting them from potential over volta...

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