SK-1DI Mic Preamp + DI Kit

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The SK-1DI is a 500 Series Mic Preamp with built-in DI input. It is based on our popular SC-1 Mic Preamp Kit, with an added Direct Inject (DI) circuitry for high-impedance signal sources like electric or bass guitars. It is a clean, "fast", clear, low-noise, high-gain preamp. Its sound is very transparent, offering a flat response, smooth highs and well-defined mids.

This is a great project for a first-time beginner to kit building. The kit is very affordable, but don't let it's low price fool you. This preamp delivers top-notch performance.

An API Rack/Lunchbox or compatible rack is required to supply power and the necessary XLR input and output connections to the SK-1DI module.

  • 500 Series format, for use with API rack/lunchbox or compatible rack
  • Precision Laser cut tinted/transparent front panel - included! So you can show-off the "guts" of your DIY build
  • Aluminum sled carrier - Included!
  • Knobs - Included!
  • Actually... everything is included! Spacers, screws, nuts, and all parts to build a working SK-1DI Mic Preamp + DI Module
  • All solid-state design, using chipsets from THAT Corp and Burr-Brown
  • Soft-start, slow ramp-on +48V phantom power
  • Simple to use Gain control, up to +72dB
  • Robust 48Volt short circuit protection (from accidental phantom power shorts)
  • LED indicators for phantom power, -20dB pad, polarity reverse and Mic/DI input
  • Relay controlled Pad
  • Relay controlled Polarity Reverse
  • Built-in DI 1/4" jack inputs for electric and bass guitars
  • Electronically balanced input and output stages with option to use Output Transformer
  • Input RFI protection
  • Input clamping protection
  • Output surge protection circuit
  • Output RFI protection
  • Gold-plated, machined, low-profile IC sockets
  • Use of high quality 1% Metal Film resistors, and high-quality ceramic and electrolytic capacitors
  • Easy to assemble, easy to troubleshoot design

Note: The SC-1, SC-1mk2, SC-1mk3, SC-1mk500 (now renamed SC-501) and SK-1DI all have the same audio DNA, and share the same audio path circuitry. To read related reviews, click here.

SK-1DI Mic Preamp + DI - DIY Kit

$129 Complete 500-Series DIY Kit
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