SKU: 22933205484

Electro-Harmonix SYNTH9 Synthesizer Machine Pedal

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Description

Electro-Harmonix SYNTH9 Synthesizer Machine PedalIntended primarily for electric guitar and bass, the Synth9 Synthesizer Machine from Electro Harmonix is a polyphonic pedal designed to turn the sound of your instrument into a classic, vintage synthesizeror more accurately, one of nine such synths, as the pedal offers nine different presets for achieving these tones. Its suitable for effecting anything from buzzy synth lead timbre, an atmospheric pad, or a synth bass. Emulations of the Oberheim OB X,

Intended primarily for electric guitar and bass, the Synth9 Synthesizer Machine from Electro-Harmonix is a polyphonic pedal designed to turn the sound of your instrument into a classic, vintage synthesizer—or more accurately, one of nine such synths, as the pedal offers nine different presets for achieving these tones. It’s suitable for effecting anything from buzzy synth-lead timbre, an atmospheric pad, or a synth bass.

Emulations of the Oberheim OB-X, the Prophet-5, various Moogs, and other classic synths are provided, and control over these synths is possible through the CTRL 1 and CTRL 2 knobs. In and of themselves, these dials have no endemic function, but once a preset is selected, they automatically control preset-specific parameters such as octave selection, sweep time of filters, vibrato, depth, and more. The DRY VOL knob will control the amount of unprocessed, untreated signal passing through the output jack, while the SYNTH VOL knob, with rare exceptions, controls the overall level of the emulated synth.

A single 1/4" input is provided, but to facilitate multiple routing methods, you’ll find two output jacks—one for dry signal, and the other for effect signal. It’s worth noting that this pedal works best when placed first in your signal chain, as distortion and modulation effects might muddy up the tracking algorithms, making precise note detection much harder to accomplish. It’s also recommended that you use this pedal with your guitar’s bridge pickup whenever possible, with the instrument's volume control cranked all the way.

A compressor has been built into the unit, and is constantly active on the synth emulations. The synths are capable tracking notes up to the 23rd fret of the high-E string and down to the low, open-A string of a bass guitar. Included with the pedal is an Electro-Harmonix 9.6DC-200BI power supply.

Controls at a Glance

  • DRY VOL knob: This knob controls the volume of the untreated instrument signal present at the Synth Output jack.
  • SYNTH VOL knob: For all presets except MINI MOOD, this knob controls the overall volume of the selected preset at the Synth Output jack. In MINI MOOD, this dial controls the volume of the non-portamento synthesizer, while CTRL 1 adjusts the volume of the portamento synthesizer (Portamento is when the notes glide from one to another).
  • CTRL 1 & CTRL 2 knobs: The function of these knobs changes depending on the preset selected.
  • PRESET knob: This white, numbered knob selects the individual preset sound.

Preset Descriptions

OBX: An emulation of the meaty sounding Oberheim OB-X. CTRL 1 is a tone control. Use CTRL 2 to select between four octaves.


PROFIT V: The Sequential Circuits Prophet-5 provides inspiration for the PROFIT V preset. CTRL 1 adjusts the sweep time of a downward filter envelope. CTRL 2 selects between eight intervals of either octaves or 5ths.

VIBE SYNTH: A polyphonic synthesizer with decaying harmonic content and vibrato. CTRL 1 sets the power and sweep range of harmonics. CTRL 2 adjusts both vibrato rate and depth simultaneously. As you turn CTRL 2 clockwise the vibrato rate and amount increases.

MINI MOOD: A Moog-inspired synthesizer that blends a portamento synth with a non-portamento synth. Turn the SYNTH VOL knob to set the volume of the non-portamento synthesizer. Use CTRL 1 to adjust the output volume of the portamento notes. CTRL 2 sets portamento time. This preset works best when you play monophonically, one note at a time, where every note is picked. To play faster licks, try turning down CTRL 1.

EHX MINI: An emulation of the Electro-Harmonix Mini Synth. CTRL 1 sets filter envelope sweep time and direction. When CTRL 1 is set to a point within its counter-clockwise range, it sets the attack time for the filter sweep; when set clockwise beyond “noon” it controls the decay time of the filter sweep. CTRL 2 selects between four octaves.

SOLO SYNTH: A fuzz-synth preset where a synth oscillator and a fuzz square wave are combined. CTRL 1 is a tone control. CTRL 2 selects between four octaves.

MOOD BASS: The Mini Moog and Taurus pedals served as inspiration for this preset. MOOD BASS works best when played monophonically. CTRL 1 adjusts the sweep time of a downward filter sweep. CTRL 2 chooses between three octaves.

STRING SYNTH: This is an emulation of the ARP string synth. CTRL 1 is a tone control. CTRL 2 sets filter sweep attack time.

POLY VI: Inspired by the Korg PolySix, CTRL 1 is a tone control, while CTRL 2 sets modulation depth.

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Exchange/Return Notes
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SKU: 22933205484

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Verified Purchase
Jamie
Fort Morgan, US
★★★★★ 5
Labs love this!!!
Style: Sport, Size: Large
Our Lab LOVES everything about this thing! Recommend getting extra durable balls as the 1 included fell apart in 1 hour. I have a very energetic Lab retriever that we have to force to stop playing ball so he does not overheat. That & the force with which you can throw this ball did not help keeping it from splitting it in 2 in less than 1 hour. This is worth the money for the extra throwing power & distance but do invest in the ULTRA strong ball for dogs like retrievers! Also, be sure to order the correct SIZE OF BALL, specific to each different size of throwing wand. My fav thing about this item is #1 the joy my dog gets from the new challenge of racing to catch longer throws, & #2 I don't have to get my hands covered in dog slobber!! He has gotten to where he can almost put it in the cup himself so I won't waste time throwing the ball again! Man, I love that dog!!! ❤️
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 1, 2023
S
Verified Purchase
Stacy H
Chelsea, US
★★★★★ 5
Must-Have for Active Dogs!
Style: Sport, Size: Large
The Chuckit Sport 26L Dog Ball Launcher has been a game-changer for my large dog! My 80-pound Labrador loves to play fetch, and this launcher makes it so much easier and more enjoyable for both of us. The 26” length gives me the leverage to throw the ball much farther than I could by hand, which really helps burn off my dog’s energy. The included large ball (3”) is the perfect size for big dogs, and I appreciate that it’s made from durable rubber, so it withstands a lot of chewing and rough play. What I really love is that the launcher is so lightweight and easy to use. I can play fetch with my dog for extended periods without my arm getting tired. The ergonomic handle also provides a comfortable grip, which is a nice touch. If you have a large, active dog, the Chuckit Sport 26L is a must-have. It’s well-made, durable, and makes fetch more fun for both you and your dog. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 3, 2024
D
Verified Purchase
DD
Waukegan, US
★★★★★ 5
ChuckIt is AMAZING!
Style: Sport, Size: Large
I can't throw a ball to save my soul. Just got this today and lobbed a ball to the far end of my 1- acre yard. The dog loves it, and I love it!
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Reviewed in the United States on March 8, 2026
S
Verified Purchase
Sean
Belleville, US
★★★★★ 4
I recommend using the KONG Extreme Dog Toy
Style: Sport, Size: Large
Helpful for throwing as much as my dog wants to fetch. I actually had to get a cortisone injection in my shoulder a few months after getting my dog - never had a dog with this much energy before! The Chuckit really helps. Downside: The ball that comes with it is larger than a tennis ball, so may be too much for smaller doge. I can't imagine my sister-in-law's french bulldog carrying it! Also, in our house it gets destroyed within minutes, as my dog is a strong chewer. For this situation, I recommend using the KONG Extreme Dog Toy, Black, size Large. This is shaped sort of like a snowman, which means it bounces unpredictably at times. My dog eventually chews the "head" off of this toy, but the remaining 2/3 still fits in the Chuckit (and is actually easier to throw with the "head" missing!). One caveat: the KONG is significantly heavier than the ball included with the Chuckit, so be aware of that... Also, we ordered our first Chickit in October 2015, then needed to replace it in May of 2017, as it broke. I think the plastic became brittle over that time, as we left it out in the sun & rain in Florida. Since it is cheap to replace, that's not a big deal. (We ordered three Kong toys over that same period of time!) To summarize, it's a very helpful tool to get the ball further, faster, with less strain, than without it. Knowing there are alternatives to the included ball for heavy chewers makes it worthwhile.
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Reviewed in the United States on July 19, 2017
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Verified Purchase
DesertRoads
Cuba, US
★★★★★ 5
Great Ball Launcher!
Style: Sport, Size: Large
Our dogs love this ball launcher! I can throw the ball long distances without any arm strain. The balls wear out, and as described by others, tennis balls don’t fit. Buy extra balls if this is of concern. We bought a few of the “Chuck It” rubber 3” balls and they have worked well for our dogs. It’s a great value and fun for the dogs.
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Reviewed in the United States on March 28, 2025

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