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Unleash New Sonic Horizons with the Boss GKC-AD GK Converter Digital Interface

The latest BOSS guitar synthesizer products feature the Serial GK digital interface, a newly developed connection method that delivers evolved performance over the analog 13-pin GK interface used in earlier BOSS and Roland guitar synth and modeling products. The GKC-AD GK Converter allows you to drive the Serial GK input on the GM-800 Guitar Synthesizer from a Roland GK-3 or GK-3B Divided Pickup or an instrument equipped with a 13-pin GK output.


  • Converts analog 13-pin GK pickup systems to the newly developed Serial GK digital interface
  • 13-pin GK input and Serial GK output
  • Instrument output for passing normal guitar/bass pickup sounds embedded in the 13-pin connection
  • Compact and rugged metal design


SPECIFICATIONS

General

  • Connectors
    • GK IN connector: 13 pins DIN type
    • GK OUT jack: 1/4-inch TRS phone type (for BGK cable only)
    • GUITAR OUT jack: 1/4-inch phone type
    • DC IN jack
    • USB port: USB Micro-B (program update only)
  • Nominal Output Level: GUITAR OUT: -10 dBu
  • Recommended Load Impedance: GUITAR OUT: 10 k ohms or greater
  • Indicators: GUITAR IN: 1 M ohm
  • Indicators: POWER indicator GK CONNECT indicator
  • Current Draw: 240 mAPower SupplyAC adaptor

Size and Weight

  • Width: 115 mm / 4-17/32 inches
  • Depth: 92 mm / 3-5/8 inches
  • Height: 36 mm / 1-7/16 inches
  • Weight: 340 g / 12 oz

Manufacturer: Boss
Model: GKC-AD
SKU: I750910-N-1-WHXB
UPC: 761294519097

We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.


ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
Brand
Model
  • GKC-AD Analog-to-Digital GK Converter
Categories
Color Family
  • Silver

Product safety information may be available here.

Chuck Levin's Washington Music Center

Wheaton, MD, United States
Joined Reverb:2014

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