The Maxon SD-9 Distortion Pedal offers true bypass for pristine tone and flexible controls for everything from smooth saturation to heavy, crushing distortion. Its low-noise footswitch ensures natural sound, while the tool-free battery compartment provides easy access. Powered by a 9V battery or standard AC supply, this Maxon pedal is a must-have for any guitarist looking to explore the true essence of distortion. Features Since its original release in the early 80’s the Sonic Distortion has gained a huge cult following among tone connoisseurs, including the likes of guitar legends Scott Henderson and Mike Landau. Reissue of classic Distortion from the 80’s Great sustain and volume clean-up Wide operation range covers mid-gain Overdrive through Fuzz Versatile Tone control can provide bright top and tight, punchy lows Scott Henderson’s favorite Distortion! True Bypass Switching Maxon’s current-production reissue captures all the magic of the original with the added benefit of true bypass switching. The SD-9 provides a smooth distortion that covers a wide range of Gain levels from mild overdrive through pseudo-fuzz. Regardless of the Gain setting, the SD-9 remains articulate and responsive to note dynamics, providing excellent sustain without crossing over into super-compressed Metal territory. The SD-9’s Tone knob has plenty of top end on tap, yet notes still retain a round, full-bodied tonality with the low end presence usually associated with amp distortion. The pedal’s midrange response is smooth and even – present without seeming spiked. Since its humble origins to its current place in the pedalboards of the stars, the Maxon Sonic Distortion has proven itself to be a timeless classic that has only improved with age. Specifications Input Impedance: 500K Ohms Input Jack: 1/4 inch standard phone jack Output Impedance: 10K Ohms Output Jack: 1/4 inch standard phone jack Output: 1 Equivalent Input Noise: -114 dB or less (input shorted IHF-A weighted) Maximum Output Level: 0 dBm Maximum Gain: +42 dB (at 2.0 KHz) Controls: Distortion, Tone, Level Switch: Normal/Effect (true bypass configuration) Power Supply: 9V Manganese dry cell battery (6F22) or special AC adaptor Power Voltage: DC9 V (Battery) / DC10 V (AC-adaptor) Current Consumption: 6 mA (9 V) / 7 mA (10 V) AC Adaptor: AC210N (option) Input: AC120V Output: DC9V/200 mA Center – / Sleeve +) Dimensions (whole): 74 mm (W) x 124 mm (D) x 54 mm (H) Weight: 580 g Warranty Card: x 1 User’s Manual: x 1