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Call Us (972)540-6420 Our Price: $219.99 Quantity in Stock:3 Availability: Orders Placed Tues-Sat before 3pm Ship the Same Day Qty: Description Specifications Shipping Information Presenting the new Darkglass Electronics Harmonic Booster Clean Preamplifier.Designed to be the perfect complement to Darkglass's distortion circuits, the flexibility and portability of the Harmonic Booster is also the perfect one-stop solution for gigging musicians in search of a precise and harmonically rich clean preamplifier. Harmonic Booster: Clean Bass Preamp Boost: Flat -20dB to +20dB cut or boostCharacter: Allows blending in the perfect amount of the tone-shaping circuitry. It can be set counter-clockwise for a flatter frequency responseMid gain: +-20dB @ the frequency selected by "Mid Frequency"Mid Frequency: Mid frequency from 250Hz to 2.5kHzBass: +-20dB @ 80 HzTreble: +-20dB @ 5 kHzDIMENSIONS: 75x111x43 mm (2.95x4.37x1.77 in)WARNING: The Harmonic Booster has a current draw of 30mA. Only use a regulated 9V DC adapter with a center-negative plug. Due to ecological reasons, it does not accept batteries. Unregulated power supplies and/or higher voltages may result in suboptimal noise performance and even damage your unit, voiding the warranty. We are open Tuesday-Saturday from 10am until 6pm CDT. Any order placed before 3pm CDT Tuesday through Saturday is processed for shipment the same day. Orders placed Sunday-Monday will be processed for shipment the following Tuesday. For Free Shipping items, Effects pedals and small goods items are generally shipped via USPS Priority Mail, and Guitars and Amplifiers are generally shipped via UPS Ground. Due to our central location in the middle of the US, most orders will be delivered within 1-3 days delivery time.Other shipping methods are available (at an additional cost), including next day air.Please call us directly at (972)540-6420 if you have any questions regarding shipping for your order. 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