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Electro-Harmonix Tri Parallel Mixer

3-loop Switcher/Mixer Pedal with Channel Volume, EQ, and Phase Controls and Global Wet/Dry and Volume Controls
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3-way FX Switcher and Mixer with Wet/Dry Control

If you've ever tried to run multiple fuzz pedals simultaneously, you know how hard it can be to get them to stack. Enter the EXH Tri Parallel Mixer. This double-wide stomp lets you blend or toggle any three sets of pedals, along with your dry instrument signal, to create the ultimate tonal concoction. Each channel has its own independent send and return volumes, EQ, and phase controls — the latter for making sure all your pedals play nice together — along with indicator LEDs so you can see, at a glance, which loops are active. In addition, you also get a global master volume control to hit your amp or interface at the appropriate level, along with a dry volume knob to blend in some of your untouched signal. Switcher ("XOR") and mixer ("AND") modes make the Tri Parallel Mixer a powerful addition to any advanced pedalboard.

Why parallel mix my pedals?

Most of us guitar, bass, and synth players run our pedals in series, whereby the effects of the first pedals are passed along to the next, and those to the next, and so on. Most of the time this causes no issue — in fact, many players prefer their pedals stacked in series like this. Where this can pose a problem is for pedals that expect to "see" the dry instrument signal untouched. Fuzz, octave, and harmonizer pedals — anything that tracks, really — are notoriously choosy about that first position. With the EHX Tri Parallel Mixer, you can send your dry signal to multiple pedals or loops of pedals and blend them to taste. So if you just want a touch of fuzz or a spoonful or chorus, you have full control over the end result. It's your chance to play mad scientist over your entire pedal chain.

And what's with that Dry knob?

A large number of vintage and modern pedals have no wet/dry blend. In fact, many are simple on-off circuits. The Tri Parallel Mixer doesn't just let you concoct the perfect potion from your favorite stomps, but once you find the right blend, to feed back in your dry signal for as extreme or subtle results as you choose. So bass players: you can dial in that hairy, fuzzy top end without sacrificing your low-end clarity. Guitarists: you can create full-fat layer cakes of the craziest effects without compromising feel. Aided by a final master volume to hit your preamp just right, the Tri Parallel Mixer from Sweetwater is one pedal that will continue to pay dividends on your musicmaking potential.

What else is it good for?

FX pedal loops

in XOR mode, the Tri Parallel Mixer also functions as a 3-loop switcher pedal. So if you want to quarantine your noisier pedals until you need them on, or if you want to activate entire troves of pedal effects in one stomp, this one stomp has you covered.

Instrument switcher

By running multiple sources into each loop's return and setting their levels, you can run multiple instruments into the same amp. This is perfect for level matching between guitars, or for switching instruments mid-set.

Amp combiner

Ever dream of hearing your guitar come out of two amps at once? The Tri Parallel Mixer can also accomplish this via its level-controlled sends, all without imparting additional latency or phasiness between your outputs.

Electro-Harmonix Tri Parallel Mixer Pedal Features:

  • 3-way FX pedal switcher and mixer
  • A swiss army knife of musical merriment
  • Run three chains of pedals — even choosy stomps like fuzz and octaves — in series
  • Toggle three loops for instant multi-stomp presets
  • Wet/dry control preserves your bottom end and clarity
  • Can also be used as an amp combiner and instrument switcher
  • Channel controls: send/return levels, EQ, phase
  • Global controls: dry level, master volume
  • XOR (switcher) and AND (mixer) modes

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Tech Specs

  • Type: FX Loop Mix Pedal
  • Number of Footswitch Buttons: 3
  • Inputs: 1 x 1/4" (instrument), 3 x 1/4" (returns)
  • Outputs: 1 x 1/4" (main out), 3 x 1/4" (sends)
  • Effects Loop: 3 x Mono FX Loops
  • Bypass Switching: Buffered Bypass
  • Power Source: 9V DC power supply (included)
  • Height: 2.5"
  • Width: 5.75"
  • Depth: 4.75"
  • Manufacturer Part Number: TRIPARALLEL

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Customer Reviews

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Rated 5/5

Just what I needed

I run some weird pedals. I've been told multiple times I play pedals, not guitar. Fair. However some of my pedals don't get along. 5 minutes into using this and it felt like having brand new pedals all over again. I'll be diving deeper into rerouting/multiple instruments/etc. definitely worth it.
Music background: Punk/noise/electronic/experimental
Rated 5/5

Pedal i didn't know i needed

I absolutely love this thing, you can run multiple pedal chains for some very cool dimensions without the muddy mess of having multiple effects on at the same time.
Delay interfering with your reverb? Separate them.
Want to play overdriven with a cleaner sounding delay? Run clean into the delay and keep your od separate.
So many possibilities with this pedal!
Rated 5/5

Tremendous versatility

Just plug it in, hook up 3 pedal loops and you've got wet/dry parallel mix to one output with independent volume, EQ, and phase settings per loop. Reverb, tremolo, and delay sound amazing in parallel. Even overdrives that sound good in series have new clear details when run in parallel. The parallel mixing alone is well worth the price, but there's more. Change from AND mode to XOR mode and it's a loop switch, so you can setup 3 independent effects loops and switch among them with one tap. With the advanced switching you can blend multiple instruments into one output, or split the signal from one instrument to drive two or three amps.

If, like me, you just want to try stuff out, this pedal gives you many new sounds from the effect pedals you already love. I bought two so I could experiment with parallel-mixed stereo-effects, and still a great value.
Rated 5/5

I Love the versatility

Right now I use it to go to multiple amps with a single guitar. Ive also used it to go multiple guitars into a single amp. All with a flick of a switch. Its like a Swiss Army knife of pedals.
Music background: Advance Intermediate
Rated 5/5

MVP!

EHX created a super creative tool with the Tri Parallel Mixer. I bought it to experiment with bass tones which is a blast, and have found it extremely useful with my stereo W/D rig, studio, and more. I've had mine for over a year without any issue and would like to see this idea expanded on for multi-channel mixing/summing purposes.
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