DIY Mic Pre Kits, Lunchbox Mic Preamp Kits, Power Supply Kits

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 Post subject: X-12mk500 Mic Preamp - 500 Series Lunchbox Format
PostPosted: Tue May 26, 2009 12:56 pm 
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Joined: Mon Jun 25, 2007 6:09 pm
Posts: 1261
Location: Music City
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Using National's High Perf, High-Fidelity, Low-distortion chips, 600R load drive capability
Option to use Discrete Op Amps 990/2520... tested with JFET992, Melcor DIY, PeterC DOA, PPA DOA
5-Led VU Meters
LED-Lighted Push Button switches, Green, Blue, Yellow
Soft-start/Ramp-up 48V phantom power
Relay controlled -20dB Pad and Polarity Reverse
Gain and Trim Controls
Grayhill 12-position selector switch
Bourns potentiometer
Cinemag transformers
Metal film 1% resistors
Machined Gold-plated Mill-Max IC sockets
Gold-plated fingers edge connector
High-current, High-speed 2000V/us video buffer drivers
Solid, machined aluminum knobs with hex setscrew
CNC-milled, Anodized, Engraved, Paint-filled Front Panel

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Coming soon... June 2009

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