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Rockett Audio Designs Klon Line 6 LR Baggs Meris Mesa Boogie Mission Engineering MusicomLAB MXR Brands N-Z Nobels Neo Instruments Neunaber Technology One Control Origin Effects Paul Cochrane Psionic Audio Radial/Tonebone RJM Music Roland SoloDallas Sonic Research Source Audio Strymon Suhr TC Electronic Tech 21 Thorpy FX Tortuga Vertex Voodoo Lab Vox Way Huge Xotic Sorted By Type A/B Box/Switcher Bass Effects Pedals Amp Switcher Backing Tracks Boost Buffer Chorus Compression Delay Distortion EQ Expression Pedal Flange Fuzz Harmony Loop Switcher Looper MIDI Controller Noise Gate Octave Overdrive Phase Power Supply Preamp Reverb Rotary/Leslie Simulator Tuner Vibrato/Tremolo Vocal Volume Wah Recording Interfaces Wireless Systems Gift Cards Cables Lava Cable Whirlwind Mogami Nordost Planet Waves Cases and Gig Bags Levy's Leathers Reunion Blues Collectibles and Branded Merchandise CDs and DVDs Guitar Care Guitar Stands Pedalboards Pickups Acoustic Electric Tone Tools Power Attenuator AmpRx Tubes Tuners and Metronomes Utility Carts Guitar Systems | Board Builds Rock Rags & Apparel Performance Academy Lesson Rates and Info Bass Guitar Instructors Steve Barbee Cello Instructors Cameron Herren Guitar Instructors Alexandra Smolen Cameron Herren Cayla Callaway James Gabriano Julia Hu Karina Ramirez Korey Hicks Layla Fuller Samantha Smolen Scott Stine Thomas Dawson Piano Instructors Alexandra Smolen Cameron Herren Cayla Callaway Erica Simmons Gabbie Foote Gail Wasson Julia Hu Korey Hicks Ukulele Instructors Alexandra Smolen Cayla Callaway Julia Hu Karina Ramirez Layla Fuller Samantha Smolen Vocal Instructors Alexandra Smolen Cayla Callaway Erica Simmons Gabbie Foote Julia Hu Karina Ramirez Layla Fuller Samantha Smolen Repairs Open Tuesday-Saturday 10AM-6PM Open Tues-Sat 10AM-6PM (972)540-6420 “Guitar Works for the Discriminating Soul” (972)540-6420 • Account Login Electric Guitars Sale Items Bass Guitars Dingwall Duesenberg Fender Ibanez Lakland Music Man Paul Reed Smith Preowned Spector Strandberg Brands A-L Collings Duesenberg Ernie Ball Music Man Fender Fibenare Gretsch Hartung Ibanez Knaggs Lowden Brands M-Z Maton McSwain Guitars Nik Huber Paul Reed Smith Private Stock Quotes Private Stock Wood Library S2 Bolt-On Custom Hollowbody McCarty McCarty 594 Signature Models Specialty SE Preowned Skermetta Strandberg Suhr Sully Guitars Tausch Tom Anderson Vigier Wide Sky Guitars Preowned New Arrivals Left-Handed Acoustic Guitars Sale Items 12-String Left-Handed Alhambra Beard Breedlove Classical/Nylon String Cole Clark Collings Eastman Godin Lame Horse Jose Ramirez Kremona Lowden Mandolins Martin Maton McPherson Guitars National Reso-Phonic Paul Reed Smith Preowned RainSong Resonators Sheeran Taylor Amplifiers Sale Items Acoustic Guitar Amps Acus Sound Engineering AER Fender Fishman Mesa Boogie Schertler Bass Guitar Amplifiers Darkglass Electronics Gallien-Krueger Mesa Boogie Heads Cabinets Electric Guitar Amps Carr Dr. Z Fender Kemper Mesa Boogie Custom Rigs Amps Cabinets PRS Rivera Suhr Two-Rock Load Boxes, Attenuators, and Speaker Simulators Preowned Amps Pedals & Accessories Effects Pedals Brands A-M AER Aguilar Analog Alien Barber Electronics Bogner Boss Browne Amplification Carl Martin Caroline Guitar Company Chase Bliss Audio Cioks Cornerstone Music Gear Darkglass Electronics Diamond Digitech Disaster Area Designs Dunlop EBS Electro-Harmonix Ernie Ball Eventide Fire-Eye Fishman Free The Tone Gamechanger Audio GFI System Goodrich Sound Goodwood Audio HeadRush Ibanez ISP Technologies Jackson Audio JHS Pedals J. Rockett Audio Designs Klon Line 6 LR Baggs Meris Mesa Boogie Mission Engineering MusicomLAB MXR Brands N-Z Nobels Neo Instruments Neunaber Technology One Control Origin Effects Paul Cochrane Psionic Audio Radial/Tonebone RJM Music Roland SoloDallas Sonic Research Source Audio Strymon Suhr TC Electronic Tech 21 Thorpy FX Tortuga Vertex Voodoo Lab Vox Way Huge Xotic Sorted By Type A/B Box/Switcher Bass Effects Pedals Amp Switcher Backing Tracks Boost Buffer Chorus Compression Delay Distortion EQ Expression Pedal Flange Fuzz Harmony Loop Switcher Looper MIDI Controller Noise Gate Octave Overdrive Phase Power Supply Preamp Reverb Rotary/Leslie Simulator Tuner Vibrato/Tremolo Vocal Volume Wah Recording Interfaces Wireless Systems Gift Cards Cables Lava Cable Whirlwind Mogami Nordost Planet Waves Cases and Gig Bags Levy's Leathers Reunion Blues Collectibles and Branded Merchandise CDs and DVDs Guitar Care Guitar Stands Pedalboards Pickups Acoustic Electric Tone Tools Power Attenuator AmpRx Tubes Tuners and Metronomes Utility Carts Guitar Systems | Board Builds Rock Rags & Apparel Performance Academy Lesson Rates and Info Bass Guitar Instructors Steve Barbee Cello Instructors Cameron Herren Guitar Instructors Alexandra Smolen Cameron Herren Cayla Callaway James Gabriano Julia Hu Karina Ramirez Korey Hicks Layla Fuller Samantha Smolen Scott Stine Thomas Dawson Piano Instructors Alexandra Smolen Cameron Herren Cayla Callaway Erica Simmons Gabbie Foote Gail Wasson Julia Hu Korey Hicks Ukulele Instructors Alexandra Smolen Cayla Callaway Julia Hu Karina Ramirez Layla Fuller Samantha Smolen Vocal Instructors Alexandra Smolen Cayla Callaway Erica Simmons Gabbie Foote Julia Hu Karina Ramirez Layla Fuller Samantha Smolen Repairs Pedals & Accessories Effects Pedals Recording Interfaces Wireless Systems Gift Cards Cables Cases and Gig Bags Collectibles and Branded Merchandise CDs and DVDs Guitar Care Guitar Stands Pedalboards Pickups Tone Tools Tubes Tuners and Metronomes Utility Carts Home > Pedals & Accessories > Effects Pedals > Brands A-M > Darkglass Electronics > Darkglass Electronics Harmonic Booster Clean Preamplifier Alternative Views: Got Questions? Call Us (972)540-6420 Our Price: $199.99 Quantity in Stock:4 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.For fraud prevention, will only ship to confirmed delivery addresses for your PayPal account, or the confirmed billing address for your credit card account.Please call us directly at (972)540-6420 if you have any questions regarding shipping for your order. Return Policy Details Related Products... Darkglass Electronics Microtubes X7 Multiband Bass Distortion Pedal Our Price: $299.99 Add Darkglass Electronics Microtubes X Multiband Bass Distortion Pedal Our Price: $199.99 Add Darkglass Electronics Vintage Ultra V2 Bass Preamp Pedal Our Price: $399.99 Add Darkglass Electronics Microtubes B7K Ultra V2 Bass Preamp Pedal with Aux-In Our Price: $429.99 Add Darkglass Electronics Element Headphone Amp and Cabsim Our Price: $249.99 Add Share your knowledge of this product with other customers... 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