In 1977 Maxon released their first effect pedal - the OD880 Overdrive/Soft Distortion – and the world would never be the same.

Employing a passive distortion circuit based around the 741 Op Amp (also used in the popular DOD 250), the OD880 was coveted for its warm and natural overdrive tone. The 880 was perfect for use as a transparent booster to take a tube-amp over the edge, offering singing blues tones unrivaled by other boxes.

Review by Premier Guitar

Review by Legendary Tones

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Demo by Can i get some Pedals

Demo by Music City CZ

Review by The Gear Page

OSD9 Overdrive/Soft Distortion

The AD999’s Delay tone is pure analog heaven – rich, round and three-dimensional, it reacts to your playing and breathes life into your performance.

The AD999 is loaded with eight custom Bucket Brigade IC’s for 900 milliseconds of warm, organic analog tone.  These BBD’s are clocked extremely low to achieve the longest delay time possible, creating a HUGE delay tone that recalls early 70’s Pink Floyd with stunning accuracy.

Review by Gearspace

Review by mixdownmag

Demo by GodlykeInc

AD-999 Analog Delay

EQ’s may not be as sexy as overdrives, but when used properly they can add a wide variety of useful new colors to your existing guitar rig.

The GE601 Graphic Equalizer covers six carefully selected frequency bands over a five octave range with 12 dB of Boost/Cut per band (100, 200, 400 & 800 Hz, 1.6 & 3.2 KHz respectively).  There’s also a Master Level control with 12 dB of overall Boost/Cut.

Review by Harmony Central

Demo by Rockplanet Musicstore

GE601 Graphic Equalizer

The TOD-9 takes Maxon’s classic OD-9 circuit and adds a tube gain stage at the front end to create an ultra-compact, tube-driven tone machine.
The TOD features a mil-spec 5703WB JAN Raytheon sub-miniature vacuum tube complete with its own separate Gain control (Tube knob).  This tube stage is positioned at the front of the audio path, driving the OD-9 circuit.

Review by RIG TALK

Review by sevenstring.org

Demo by MrBeams1

TOD-9 True Tube Overdrive

A unique concept in booster design, the DB10 features two completely independent boost circuits in a single compact housing. 

The Clean (Left) channel offers up to +20 dB of clean boost with a completely flat frequency response. 

The Vintage (Right) channel is Maxon’s take on the classic Treble Booster circuit.  It offers up to +20 dB of boost, but with a subtle high-frequency roll-off that increases as the Level is turned towards maximum.

Review by Guitar World

Demo by intheblues