Electro-Harmonix B9 Organ Machine Pedal

Organ/Electric Piano Emulation Guitar Effects Pedal with Onboard Modulation Processing and Optional Wet/Dry Output
Electro-Harmonix B9 Organ Machine Pedal image 1
Electro-Harmonix B9 Organ Machine Pedal image 1
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Electro-Harmonix B9 Organ Machine Pedal
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Turn Your Guitar into an Organ!

Rarely have we seen such an instantly likable guitar effects pedal at Sweetwater as the electro-harmonix B9 Organ Machine. Not only does this pedal transform your guitar tone into one of nine classic organ tones with jaw-dropping realism, it performs like a champ. We're talking about zero tracking problems, glitches, mistriggers, or false notes. What's more, each setting has an appropriate modulation effect built in, such as rotary speaker, tremolo, or vibrato, and you can add in organ percussion or key click sounds with a dedicated control. Top it off with two great ways you can blend in your dry guitar signal, and it's no wonder the ehx B9 Organ Machine has become an instant classic.

electro-harmonix B9 Organ Machine Guitar Effects Pedal at a Glance:
  • A 6-pack of tonewheel organs provides a wide range vintage vibe
  • Three additional classic organ sounds expand your tonal palettee
  • Two killer ways to mix your guitar with your organ effects
A 6-pack of tonewheel organs provides a wide range vintage vibe

The first six presets in the B9 Organ Machine are variations on the classic tonewheel organ that set the standard for electric organ sound. Fat & Full adds an octave above and below, instantly doubling the size of your guitar tone. Jazz offers you a more subtle and smooth sound - think Jimmy Smith. Pull out the upper bars, and you've got the sound of the Gospel setting, whereas a health dose of distortion the Classic Rock setting recalls Procal Harum's "Whiter Shade of Pale." If, on the other hand, you prefer a sound closer to Sugarloaf's "Green Eyed Lady," then switch to the Bottom End setting and dial up the Click control. Lastly, the Octaves preset provides an octave above for a more Zeppelin vibe, and when you roll on the Click, you also get higher harmonics. All of these presets are total winners, and what's more, each of includes a classic rotary speaker effect, whose speed you can control with the Mod knob.

Three additional classic organ sounds expand your tonal palettee

But the fun doesn't stop with the B9 Organ Machine's tonewheel emulations. In fact, electro-harmonix infused this awesome guitar effects pedal with three additional gems. First up, there's the Cathedral organ setting, which gushes forth with the ambient-rich sound of a historical pipe organ. Here's a Sweetwater pro tip for you: crank up the reverb on your amp and you'll totally blown away. Of course a rotary speaker effect wouldn't due, so ehx gave this preset a tremolo setting instead, with depth control on the Click knob. Next up, there's the Continental setting, which conjures up a classic transistor organ tone that'll have you figuring out the chords to "House of the Rising Sun" in minuets. That preset gets a smooth vibrato effect, also with depth control on the Click knob. Last up is the B9 Organ Machine's Bell Organ setting, which layers a chimey EP on top of a tonewheel organ. It also gets a tremolo effect, and you can blend in as much bell or chime as you like with the Click knob.

Two killer ways to mix your guitar with your organ effects

Now, there's no denying that the ehx B9 Organ Machine's effects are absolutely awe inspiring, but you can really work some magic by blending in your dry guitar tone into the mix. Lucky for you, electro-harmonix decided to give you two cool ways to do this. If you're like most of us, and you only gig with a single amp, then you can simply blend the two sounds together via the designated Dry and Organ knobs. But, if you're in the studio or you're more of a high-tech guitarist, then you'll appreciate the B9 Organ Machine's dual outputs, which let you run two amps or set up more complex pedalboard configurations. And if you're looking for a way to put that to good use, just give your Sweetwater Sales Engineer a call - you're bound to get some great suggestions.

electro-harmonix B9 Organ Machine Guitar Effects Pedal Features:
  • The perfect way to play classic organ tones with your guitar
  • Transforms your guitar tone - no tracking problems, glitches, mistriggers, or false notes!
  • 9 organ settings let you call up 6 tonewheel organ tones, a pipe organ, a transistor organ, and a layered organ/EP tone
  • Each tonewheel organ setting includes a rotary speaker emulation effect with speed control plus separate key click/percussion control
  • Additional presets include tremolo or vibrato effects with depth or blend controls
  • Blend wet and dry signals in the box or send them to separate outputs for complex rig setups
Unleash the sound of classic organs with the electro-harmonix B9 Organ Machine guitar effects pedal!

Additional Media

B9 Organ Machine User Manual
How To Use the B9 and C9 in Your Guitar Rig
electro-harmonix B9 Organ Machine Demo
Electro-Harmonix B9 Organ Machine

Tech Specs

Pedal Type Modulation
Inputs 1 x Instrument
Outputs 2 x 1/4"
Power Supply Included Yes
Manufacturer Part Number B9

Customer Reviews

Based on 46 reviews
Write your review

Great Pedal / Writing Tool!

I play guitar in a Trio. No Cover tunes; (All Original Tunes). This Pedal is Fantastic. Great Sound. Very Musical. Same Solid Electro-Harmonix quality since I bought my first Big Muff in the early 1970's. A MUST have for your pedal board.

The Magnificent Electro-Harmonix B9

This thing is amazing! I'm in a rockin' blues band...and the B9 allows us to do tunes that we could never do before without a keyboard. It's amazing!
Music background: Recording engineer, voice talent and bass player

Excelent tool.

What a neat addition to a 4 piece combo. Some tunes require some organ and this B9 delivers without schlepping a M3 or Lesie. Attached YouTube is most accurate and does all it says it will. Took a week of steady self study to deliver the Hammond sound but guitar players will be required to learn to play a bit differently. Absolutely NO power chords. I like the variable mix with guitar over or under the organ with "organ" knob but the click just didn't seem to impress.I would add another foot switch to turn on Mod so as to speed up or slow the tremolo without bending down to adjust. Has to be used with it's power adapter as any other (Boss) causes a ever slight side tone or 60cy hum. No big whoop.
Music background: 50 years of picking.

Sounds great!

I can't play any type of keyboards, but I can play the guitar.. so now I'm playing the hammond organ sounds I've always wanted. Great tool for recording.. up and using in minutes and you don't have to study the instructions, just plug it in line and turn a few knobs.. and that's it.. watch the video. This sounds way better than some very expensive guitar synths that I own.
Music background: Use to be, want to be. Guitarist.

Great little box

Outstanding product. Does everything they say it does. It has provided me to enhance my song list for live shows. Many folks have asked during breaks if we were back tracking the organ sounds into our shows. I recommend this box.
Music background: over 50 years of playing live music

Sweetwater Advice

Electro-Harmonix B9 Organ Machine

The most regal-sounding tones came from the cathedral setting. I cranked up the 'verb on the Deluxe and played slow, chord arpeggios that even the grumpiest monks could appreciate....
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See also: Harmonizer Pedals, Electro-Harmonix, Electro-Harmonix Chorus Pedals, Electro-Harmonix Harmony Processors