Since their introduction in the early 1980s, Maxon Nine Series designs have achieved a legendary status with pedal connoisseurs around the globe. The reasons for this are simple - superior sound quality and innovative features that offer a seamless interface between performer and performance. 20 years later this rule still holds true. Now available with improved circuitry including JRC4558 IC chips and True Bypass Switching, Maxon Nine Series effects remain the standard by which all others are judged.
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SD-9 Sonic Distortion
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.
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.
Why Choose Maxon?
“The Maxon SD-9 is the best distortion pedal ever made, period. It has the clarity and punch you get from a pedal, while retaining the low bass you get with amp distortion. The SD-9 is one of the rare pedals which sound equally great on both the neck and bridge pickups, whether they're humbucking or single coil. It's been a very important part of my tone for many years.” – Scott Henderson
Input signal goes through a simple High-Pass filter into a transistor that’s set up as an emitter/follower (high input impedance – low output impedance). After this it’s into an Op Amp stage designed to give a gain range of 67 to 567and a Low-Pass Filter with a corner frequency of approximately 1540 Hz.
From here it’s on to a set of opposing-direction diodes to ground and a tone control that is reminiscent of the Boss DS-1 (kind of a Big Muff dual High and Low cut - ending up with a mid scoop that has a high frequency limiting resistor with corner frequencies of 867Hz and 234Hz respectively).
The SD-9’s dual diodes to ground give a crunchier, chewier distortion than the popular 808-style “diodes in feedback loop” configuration. Likewise, the SD-9’s mid scoop is practically the antithesis of the 808’s infamous mid hump.
After the tone control section it’s through to a volume control and into another E/F transistor to provide a low impedance output and then on to the true bypass switch.
The SD-9 features Mechanical True Bypass switching via a Fujisoku 4PDT switch - Input is switched to ground when bypassed.
Mods & Mends
Gain Boost Mod
Midrange Pot Mod
What Artists Say…
"The Maxon SD-9 is the best distortion pedal EVER made, period. It has the clarity and punch you get from a pedal, while retaining the low bass you get with amp distortion. The SD-9 is one of the rare pedals which sound equally great on both the neck and bridge pickups, whether they're humbucking or single coil. It's been a very important part of my tone for many years."
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 * All specifications are subject to change for improvement without notice or obligation. All brand names and product names are trademarks or registered trademarks of their respective companies.
Available for Pre-Order Only! Ship Date 10/31/2014