Cherub GB-1 Acoustic Guitar Preamp System with Onboard Tuner & Piezo Pickup

Feedback Notch Filter & Phase Effect

Recommended Retail Price


The Cherub GB-1 is a 4 band EQ with Chromatic tuner, feedback-fighting notch and phase effect. The visible portion of GB-1 is only 73mm x 49mm x 4mm. Low battery message will be displayed when the battery is getting low.


  • 3 band EQ
  • Chromatic Tuner
  • Feedback-fighting Notch Filter
  • Phase
  • Low Battery Check LED
  • Includes Piezo Ceramic Pick-up


  • Input impedance: 10MΩ
  • Frequency Response: 20Hz - 20kHz
  • Control Range: Low ±12dB at 100Hz / Middle ±12dB at 250Hz-10kHz / High ±12dB at 6kHz
  • Pick-up: Piezo Ceramic Pick-up
  • Output jack: 6.35mm
  • Battery Life: Over 100 hours
  • Power Supply: 9V Alkaline Battery
  • Dimensions (L x W): 73mm x 49mm​​​


Brand Cherub Technology
TypeAcoustic Guitar Preamps
TypeAcoustic Pickup Systems

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