22 Caliber Power Amp - DISCONTINUED

The 22 Caliber is a versatile 22-watt guitar head that fits in the palm of your hand. Just plug it into any 8- or 16-ohm speaker, and you'll get a big, sweet musical sound.

Crank the 22 Caliber's volume, and it'll go into overdrive -- like a vintage amp with a single volume control. Flip on the Bright switch to add some bite and definition.

It's not just a guitar head; it's a shrunken head, with all good voodoo.


Featured Videos
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From the Blog
Posted 9/4/2013


Diego Ferri plays a Jehan Alain Choral which he transcribed for guitar with the help of a Holy Stain Distortion/Reverb/Pitch/Tremolo Multi-Effect and 22 Caliber Power Amp.


From the Blog
Posted 10/5/2011



John at Boynton demos the 22 Caliber Power Amp which delivers big sound and tone in a pocket-sized package.

From the Blog
Posted 1/31/2011



The Tone King shows off the ultra-compact 44 Magnum Power Amp. The 44 Magnum delivers the sweet tone of the popular 22 Caliber Power Amp, but with a bigger bang!

This pedal was conceived of and designed by EHX from globally sourced components. Every EHX pedal goes through a stringent testing process by musicians and technicians in NYC before packing.

From the Blog
Posted 5/10/2010

Whatsthatdudeplay.com is a popular music website with a focus on effects pedals. They just created their first ever “test drive composition” featuring the Electro-Harmonix 22 Caliber Power Amp, Cathedral Stereo Reverb, Deluxe Memory Boy Analog Delay with Tap Tempo, V256 Vocoder and Ring Thing Sideband Modulator.

You can hear it here.

This pedal was conceived of and designed by EHX from globally sourced components. Every EHX pedal goes through a stringent testing process by musicians and technicians in NYC before packing.

From the Blog
Posted 4/29/2010

Paul Riario, Tech Editor for Guitar World Magazine, puts the Electro-Harmonix 22 Caliber Power Amp through its paces.

Click here to read the review published in Guitar World Magazine

From the Blog
Posted 2/1/2010
"The world's smallest genuine amplifier?" See what the guys at musicradar.com had to say.

Click here for the full article

22 Caliber

From the Blog
Posted 10/21/2009

From the Blog
Posted 6/29/2009
Electro-Harmonix is pleased to announce the new 22 Caliber Power Amp, a versatile 22-watt guitar head that fits in the palm of your hand. Just plug it into any 4-, 8- or 16-ohm speaker, and you'll get a big, sweet musical sound.

Below is a quick video introduction from EHX engineering. The feedback toward the end is just guitar into a Big Muff Pi with Tone Wicker into the 22 Caliber into a 1x12 speaker cabinet:

This pedal was conceived of and designed by EHX from globally sourced components. Every EHX pedal goes through a stringent testing process by musicians and technicians in NYC before packing.

Submissions to EHX.com
Do you have something that you'd like to share with the Electro-Harmonix community? (a tip on getting a great sound, a cool site, a video, or whatever?) Please send your suggestions to:

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Quick Specs
22-watt power amp that fits in the palm of your hand
Handles 8/16 ohm speaker loads automatically
Bright switch adds presence and definition
Smooth and surprisingly loud
18-volt 1.66A power supply included
Dimensions in inches: 2.75 (w) x 4.5 (l) x 2.1 (h)
Dimensions in mm: 70 (w) x 115 (l) x 54 (h)
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Mike Matthews stated: “The image on our Flashback Poster is of the original artwork that inspired the famous Electro-Harmonix logo. I think players who dig our pedals will also enjoy the chance to own a piece of EHX memorabilia.”
Did you know that Electro-Harmonix makes many of the world's greatest vacuum tubes? The next time you need to re-tube your guitar, bass, or hi-fi amp, be sure to insist on getting authentic Electro-Harmonix tubes.
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