Maxon SD-9 Sonic Distortion Pedal

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Key Features

  • Unlock a rich distortion
  • Mid-scoop to tighten your sound, increase clarity, and eliminate muddiness
  • True bypass switching for optimum signal integrity
  • Lightweight, robust metal chassis offers tour-grade reliability

Maxon SD-9 Sonic Distortion Pedal Overview

The Maxon SD-9 Sonic Distortion Pedal established itself in the 80s, offering a perfect balance of clarity and punch within its distortion palette. The SD-9 provides a smooth distortion that covers a wide range of gain levels from very mild overdrive through to full-blown pseudo-fuzz. Regardless of gain setting, the SD-9 remains articulate and responsive to note dynamics, providing excellent sustain without straying into super-compressed metal-esque territory.


The SD-9's Tone knob has plenty of treble on tap, yet your output still retains a round, full-bodied tone with the kind of low-end presence usually only possible with amp distortion. The pedal's mid response is smooth, rich, and even; present without seeming spiked. Quite simply, this is a deluxe distortion pedal with all the tone you'd expect from Maxon.

Product Ref: 81582

Full Description

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Detailed distortion breakdown

How it works: To begin, your signal is passed through a simple High-Pass filter into a transistor that’s set up as an emitter/follower (high input impedance – low output impedance) for added tonal clarity. After this it’s into an Op Amp stage designed to add gain and a Low-Pass Filter to deliver an outstanding bass response. From here it’s on to a set of opposing-direction diodes, these dual diodes to ground give a crunchier, fatter distortion than the popular 808-style “diodes in feedback loop” design. Likewise, the SD-9’s mid scoop is practically the exact opposite 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.

Features

  • 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
  • True bypass switching offers a clean tone when not in use
  • Sounds equally great on both the neck and bridge pickups
  • Roadworthy enclosure is perfect for gigging musicians
  • Straightforward controls for Distortion, Tone and Level
  • LED indicator is ideal for dark stages

Specifications

General

  • Input Impedance: 500K Ohms
  • Input Jack: 1/4" Standard Phone Jack
  • Output Impedance: 10K Ohms
  • Output Jack: 1/4" Standard Phone Jack
  • Outputs: 1
  • Equivalent Input Noise: -114 dB or Less (Input Shorted IHF-A Weighted)
  • Maximum Output Level: 0 dBm
  • Maximum Gain: +42dB (at 2.0 KHz)
  • Controls: Distortion, Tone, Level
  • Switch: Normal/Effect (True Bypass Configuration)
  • Accessories: Warranty Card, User Manual

Power Specs

  • Power Supply: 1 x 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

  • Width: 74mm
  • Depth: 124mm
  • Height: 54mm
  • Weight (Including Battery): 580g (Approx.)

Please Note: Pedal does not come with an AC adaptor

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