DUAL RPA 500® Two-Channel Reflected Plate Amplifier Tube Mic Pre® 500 SERIES MODULE Owner’s Manual
●INTRODUCTION
■The DUAL RPA 500 is a two-channel microphone preamp featuring a two channel reflected plate amplifier tube mic pre. It takes up two slots in your receiving frame. The preamp features electronically balanced inputs and outputs and uses a discrete, solid-state, transformerless front end carefully crafted for extremely low noise and high common mode rejection. The back end features a 12AT7 tube and the Aphex patented RPA circuit. The unique and stable RPA tube circuit retains the tube’s transconductance and grid characteristics while at the same time creating a much more efficient amplifier stage that runs on low power supply voltages.
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Two-Channel Reflected Plate Amplifier 、 two-channel microphone preamp |
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2013/2/2 |
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1.1 MB |
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