Grid Slammer

The GRID SLAMMER™ Overdrive is an overdrive pedal that produces a variable boost in gain over a wide range with a classic, guitar-centric midrange bump that enhances many different playing styles. It’s a true overdrive “specialist” that covers an amazing array of what many top players consider the most expressive and musical ranges of overdrive. From sweet, subtle breakup to a harmonically smoldering overdrive that can both sting and sing, the GRID SLAMMER sets a new bar in legendary overdrive!


Designed and Hand-Built in Petaluma, California, USA
True Bypass On/Off Switching - Bypasses all circuitry when off to ensure no tonal loss
Gain Control allows you to dial in the perfect amount of vintage breakup or classic overdrive
Master Level Control provides a variable range of signal boost up to +20db
Tone Control balances the amount of high frequencies
On/Off Status LED
9V Battery Powered or optional AC Powered via External Power Jack Input
Input & Output Jacks (Nominal Input -20 db)


Dimensions (W/D/H): 2.87" x 4.77" x 2.28" (73mm x 122mm x 58mm)
Weight: 0.731lbs (332g) with battery, 0.631lbs (287g) without battery
True Bypass Switching
Battery Type: 9VDC (one)
Power Consumption (Current Draw): 9VDC/15mA
External Power Supply (Not Included):
WARNING!!! To avoid immediate damage and voiding the warranty, the External Power Supply MUST be 9VDC with a NEGATIVE CENTER plug polarity and a jack plug size of 2.1mm x 5.5mm.
Input Impedance: 1M Ohm (500k Ohm minimum)
Output Impedance: 10k Ohm

Year Condition Case
Call Brand New None


George's Music Center
George Donovan
860 496-9362
Torrington, Connecticut
10:13 AM
Monday: 10:00 - 6:00 Tuesday: 10:00 - 7:00 Wednesday: 10:00 - 7:00 Thursday: 10:00 - 7:00 Friday: 10:00 - 6:00 Saturday: 10:00 - 4:00


Most Items ship free. We ship all major items via UPS. Some small items may ship USPS.

We do not normally accept returns. This is protection for you as well as for us. We believe when you purchase an instrument or amplifier that is "NEW" it should be NEW! If we accept returns, this would mean that returned item are not "NEW". Of course we realize that sometimes things do not work out for customers, so we take returns on a case by case basis. We are very easy to deal with. Please call the store and ask for George.