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Electro-Harmonix B9 Organ Machine Guitar Effects Pedal 

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With nine presets that were finely tuned to emulate the most legendary organs from the ˜60s and beyond, the B9 Organ Machine will transform your guit...Click To Read More About This Product

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OVERVIEW

Transforms the tone of a guitar and/or keyboard into that of a convincing full-body electric organ.

With nine presets that were finely tuned to emulate the most legendary organs from the ˜60s and beyond, the B9 Organ Machine will transform your guitar or keyboard. Control the instrument's signature percussive click and sweet modulation. Blend your dry signal to create lush layers. Enough tonewheel and combo organ inspiration to light your fire and cook up some green onions.

Preset Descriptions
Fat & Full: This sound adds an extra octave below and above to make your guitar sound twice as big. Fills out any band in an instant. MOD Type: Chorus.
Jazz: This preset has the cool, smooth jazz tone reminiscent of the late great organist Jimmy Smith. MOD Type: Chorus.
Gospel: This preset has the upper octave drawbars added to capture that great soulful organ tone. MOD Type: Chorus.
Classic Rock: This preset captures the classic rock sound of songs like Procal Harum's "Whiter Shade of Pale." Add a touch of distortion for a classic dirty organ. MOD Type: Chorus.
Bottom End: This preset has the lower draw bar sound. Perfect for adding bottom to your guitar or playing B3 bass sounds. With the CLICK control up you can lay down a bass line like the one on Sugarloaf's "Green Eyed Lady." MOD Type: Chorus.
Octaves: This preset uses the fundamental tone plus one octave above. This sound is great for songs like Led Zeppelin's "Your Time is Going to Come." MOD Type: Chorus. CLICK control adds not only key click, but higher harmonics.
Cathedral: Turn up the reverb and you are at the seat of a giant cathedral organ! Psychedelic rock tones easily pour out. MOD Type: Tremolo. CLICK adjusts the tremolo depth.
Continental: This is the classic combo organ sound similar to classic songs "96 Tears," "Woolly Bully" and "House of the Rising Sun." MOD Type: Vibrato. CLICK controls vibrato depth.
Bell Organ: If you crossed an electric piano with an organ this is it. MOD Type: Tremolo. CLICK adjusts the amount of bell or chime added to the sound.

FEATURES
  • Transform the tone of a guitar or keyboard into that of a convincing full body, electric organ
  • Nine presets that were finely tuned to emulate some of the most popular and classic electric organ tones
  • Control over percussive attack level, modulation speed, organ and dry volume
  • Rugged and easy to use
  • Bypass Footswitch
  • Dy Output Jack
  • Organ Output Jack
  • EHX 9.6DC-200 PSU included

B inspired. Order this pedal today!

Reviews
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Review Snapshot

by PowerReviews
Electro-HarmonixB9 Organ Machine Guitar Effects Pedal
 
4.2

(based on 51 reviews)

Ratings Distribution

  • 5 Stars

     

    (31)

  • 4 Stars

     

    (9)

  • 3 Stars

     

    (4)

  • 2 Stars

     

    (5)

  • 1 Stars

     

    (2)

86%

of respondents would recommend this to a friend.

Pros

  • Good selection of effects (36)
  • Excellent sound quality (31)
  • Compact (30)
  • Responsive (27)
  • Versatile (21)

Cons

  • Difficult to use (3)
  • Poor sound quality (3)

Best Uses

  • Performances (36)
  • Home studio (23)
  • Amateur recording (19)
  • Outdoor events / games (17)
  • Professional recording (16)
    • Reviewer Profile:
    • Professional musician (27), Experienced (23)

Most Liked Positive Review

 

Amazing, but not without quirks

EHX continues its legacy of producing amazing, innovative and unique effects. I had been using multiple pedals over the years to approximate an organ sound for my guitar with ok results. Then the...Read complete review

EHX continues its legacy of producing amazing, innovative and unique effects. I had been using multiple pedals over the years to approximate an organ sound for my guitar with ok results. Then the B9 was released. I found one through a small retailer that had them in stock while everyone else waited. I'm reviewing on MF because its my go-to for research and main retailer for 20 years. Although there is a similar product available, this one is far better at its mission. The 9 presets are all very usable and sound very convincing. If you are even thinking about buying this, do it. It's a blast.

For as much as I love it, I must forewarn; it's bright. The lack of EQ is a bit frustrating. If you are running the effect out to another amp while the dry signal goes to your primary amp, you'll be fine. But using the wet/dry Organ out, you will encounter a lot of harsh top end. I ended up buying a cheap EQ to tame and my old ABY to switch between "off and on". This is a long way around what should have been a simple add-on feature or in leu of the click knob. My other gripe is the Planet Waves patch cables I use constantly slip out of the in/outs. This has me using cheaper blue end cables that actually stay secure. I do not have that problem with other EHX pedals.

All in all, I love it. But I'm fortunate to have a few extra cables and some money to throw at the shortcomings. I hope that EHX listens to concerns and issues an update down the road. For now, I will be having a lot of fun on stage and on record.

VS

Most Liked Negative Review

 

has bugs - wait for updated version

volume is unstable. its great for chordal work, but lets be honest. alot of people want to do the funky organ riffs/runs and solos. to do this, you have to play...Read complete review

volume is unstable. its great for chordal work, but lets be honest. alot of people want to do the funky organ riffs/runs and solos. to do this, you have to play very,very hard to keep the organ tone when playing solo. any slight change in picking dynamics causes the drop/gain in volume and thus will cause you to sound like you are missing notes if not picked very hard. its like riding a wave, and its hard to keep consistent in volume when playing solo. compressor helps, but doesnt cure it.
EHX website acknowledges this volume problem but actually blames the amps, and players picking dynamics as fault. EHX website and company quote "some guitar amps have an uneven peak frequency response that may cause sounds to be over accentuated". i own a 1976 fender super reverb, a fender blues deluxe, a fender deluxe reverb, a marshall SLP100 plexi stack, a marshall 50watt blues breaker, a vox ac-4 and ac-30 to name a few. to say the amps are at fault i simply dont believe that. as far as the players dynamics are involved, they quote using a compressor to "help for the guitar player whos playing is less than desirable in the dynamics department" - EXH website. little low blow to their customers, but truth told to them, this pedal makes you have to play very hard and actually long term may cause one to have a less than 'desirable in the dynamics department' style. last, the modulation is 'thin' in sound and not a true rotary speaker sound. the organ tone is 'there' but the rotary backbone of the organ is not. i actually turn off the pedals modulation and combat this with the use of an old univibe, and the difference is night and day in a better, deeper and more true rotary sound, plus the univibe adds the expression pedal to get the slow to fast warbles that organs are known for. i have to use an EQ pedal to smooth highs/lows/mids. i have to use a compressor to help with the volume, etc. BOTTOM LINE - EHX made a GREAT product. its tone is great! but simply put it has bugs. its not perfect. and thats inevitable with a game changing pedal like this, but they are blaming our gear and ability not their product. i would like to see EHX take it back to the boards admit its 'okay' and listen to our complaints and improve for us! last, i would wait, for them to come out with an improved and updated model and buy that one. you may find yourself having to use a lot of other pedals to make this one useful live, as i am.

Reviewed by 51 customers

Displaying reviews 1-10

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(31 of 31 customers found this review helpful)

 
4.0

Amazing, but not without quirks

By BDC

from San Diego, CA

About Me Experienced

See all my reviews

Ask me a question

Verified Reviewer

Pros

  • FUN
  • Good Selection Of Effects
  • Its A Organ Synth Pedal

Cons

  • See Description

Best Uses

  • Getting A Thick Organ

Comments about Electro-Harmonix B9 Organ Machine Guitar Effects Pedal:

EHX continues its legacy of producing amazing, innovative and unique effects. I had been using multiple pedals over the years to approximate an organ sound for my guitar with ok results. Then the B9 was released. I found one through a small retailer that had them in stock while everyone else waited. I'm reviewing on MF because its my go-to for research and main retailer for 20 years. Although there is a similar product available, this one is far better at its mission. The 9 presets are all very usable and sound very convincing. If you are even thinking about buying this, do it. It's a blast.

For as much as I love it, I must forewarn; it's bright. The lack of EQ is a bit frustrating. If you are running the effect out to another amp while the dry signal goes to your primary amp, you'll be fine. But using the wet/dry Organ out, you will encounter a lot of harsh top end. I ended up buying a cheap EQ to tame and my old ABY to switch between "off and on". This is a long way around what should have been a simple add-on feature or in leu of the click knob. My other gripe is the Planet Waves patch cables I use constantly slip out of the in/outs. This has me using cheaper blue end cables that actually stay secure. I do not have that problem with other EHX pedals.

All in all, I love it. But I'm fortunate to have a few extra cables and some money to throw at the shortcomings. I hope that EHX listens to concerns and issues an update down the road. For now, I will be having a lot of fun on stage and on record.

(23 of 24 customers found this review helpful)

 
3.0

has bugs - wait for updated version

By negative-nancy

from USA

About Me Experienced

Pros

  • Great Company
  • Great For Chordal Work
  • Great Organ Tones
  • Great Variety Of Tones

Cons

  • 'click' Sound Unstability
  • Picking-dynamic Problems
  • Poor Rotary Speaker Tone
  • Volume Unstability

Best Uses

  • For practice

Comments about Electro-Harmonix B9 Organ Machine Guitar Effects Pedal:

volume is unstable. its great for chordal work, but lets be honest. alot of people want to do the funky organ riffs/runs and solos. to do this, you have to play very,very hard to keep the organ tone when playing solo. any slight change in picking dynamics causes the drop/gain in volume and thus will cause you to sound like you are missing notes if not picked very hard. its like riding a wave, and its hard to keep consistent in volume when playing solo. compressor helps, but doesnt cure it.
EHX website acknowledges this volume problem but actually blames the amps, and players picking dynamics as fault. EHX website and company quote "some guitar amps have an uneven peak frequency response that may cause sounds to be over accentuated". i own a 1976 fender super reverb, a fender blues deluxe, a fender deluxe reverb, a marshall SLP100 plexi stack, a marshall 50watt blues breaker, a vox ac-4 and ac-30 to name a few. to say the amps are at fault i simply dont believe that. as far as the players dynamics are involved, they quote using a compressor to "help for the guitar player whos playing is less than desirable in the dynamics department" - EXH website. little low blow to their customers, but truth told to them, this pedal makes you have to play very hard and actually long term may cause one to have a less than 'desirable in the dynamics department' style. last, the modulation is 'thin' in sound and not a true rotary speaker sound. the organ tone is 'there' but the rotary backbone of the organ is not. i actually turn off the pedals modulation and combat this with the use of an old univibe, and the difference is night and day in a better, deeper and more true rotary sound, plus the univibe adds the expression pedal to get the slow to fast warbles that organs are known for. i have to use an EQ pedal to smooth highs/lows/mids. i have to use a compressor to help with the volume, etc. BOTTOM LINE - EHX made a GREAT product. its tone is great! but simply put it has bugs. its not perfect. and thats inevitable with a game changing pedal like this, but they are blaming our gear and ability not their product. i would like to see EHX take it back to the boards admit its 'okay' and listen to our complaints and improve for us! last, i would wait, for them to come out with an improved and updated model and buy that one. you may find yourself having to use a lot of other pedals to make this one useful live, as i am.

(9 of 9 customers found this review helpful)

 
4.0

Fantastic Organ Sounds for Guitar!

By AlterIan

from Aurora, IL

About Me Experienced

See all my reviews

Ask me a question

Pros

  • Excellent Sound Quality
  • Good Selection Of Effects

Cons

  • Big Footorint
  • Big Footprint
  • Side Mounted Jacks

Best Uses

    Comments about Electro-Harmonix B9 Organ Machine Guitar Effects Pedal:

    I've owned and used both the EarthQuaker Devices Organizer Polyphonic Organ Emulator Guitar Effects Pedal and the Electro-Harmonix B9 Organ Machine Guitar Effects Pedal.

    I like both pedals. Each has pros and cons. Electro Harmonix's B9 pedal has two big pros: a greater overall variety of sounds (presets) and much more volume on tap to get the organ sound to be as loud or louder in output than the guitar sound. You can dial the B9 in just to get the organ sound with no guitar in the mix, and without using any kind of volume boost to make the organ sound as loud in the overall band mix as your guitar did before switching tones. The con is, while all of the B9's organ/key sounds are very, very good, it's hard to individually sculpt any one of the tones. You find the one you like best and go with it, and there are 9 different ones to choose from. You also can then dial in some modulation and/or the sound of the organ's keys to the sound.

    With the Earthquaker Devices Oganizer, there's really just one organ tone, but you can sculpt that sound more. You can add in a lower octave, a higher octave, and some chorus to the sound to get a really consistent and full effect. The Organizer has a much smaller footprint with top mounted jacks for the guitar cables, so it takes up about half as much space on your pedalboard. This may seem like an irrelevant detail, but on a pedal board as crowded as mine, I really like the smaller size of the Organizer. The Organizer's big con (and the reason I kept with the B9) is the Organizer works better to just add organ tone to the guitar tone. Getting just an organ tone alone (mixing the guitar out completely) requires a substantial volume drop. You can make up for the volume drop with boost pedals and other tweaks, but it's more of a challenge. Conversely, the B9, while it's easy to get "organ tone only," also easily allows you to dial guitar tone back in.

    Bottom line: I'd recommend either. The Organizer will be cheaper (and much easier to find used for even cheaper still) than the B9. If you want an organ sound blended in with your guitar tone, and lots of control over that tone the Organizer is definitely the way to go. If you want to have a straight organ sound, completely subbing the organ sound for the guitar tone, the B9 is the way to go.

    (7 of 7 customers found this review helpful)

     
    2.0

    Wait for later versions

    By StraightFrets

    from Austin, TX

    About Me Professional Musician

    Pros

    • Sounds Like An Organ

    Cons

    • Has Random Volume Spikes
    • Uneven Between Strings
    • Vol Drops Upper Register

    Best Uses

      Comments about Electro-Harmonix B9 Organ Machine Guitar Effects Pedal:

      I absolutely love the sound of the organ simulation. However, there are random volume spikes with the unwound strings, especially the 2nd and 3rd strings. The "click" feature seems to have a mind of its own when it decides to be present, plus there's an audible drop in volume when going to the higher registers.

      After trying this through different solid state and tube amps (Mesa, Fender, Vox, and Crate) and a few different electric guitars with humbuckers and single coils, I opted for dumping it. I wished the demo video didn't say no mistriggers or misfires.

      Can't wait for the version to come out that is sensitive to attack levels.

      (7 of 10 customers found this review helpful)

       
      1.0

      I really wanted this to work but.......

      By Diego1

      from Texas

      About Me Professional Musician

      See all my reviews

      Pros

      • I Really Can't Find Any

      Cons

      • Clicking Uncontrollable
      • Poor Sound Quality
      • Poor Tracking
      • Thin Sound

      Best Uses

      • Garbage

      Comments about Electro-Harmonix B9 Organ Machine Guitar Effects Pedal:

      I wanted this to work as an extension to my sound library on my effects board but unless you pick ever so lightly there is no way to get around the click. I tried it on an old deluxe, mesa boogie and marshall. All the same so the amp isn't the problem. The sound is very weak and if you pick too hard or with attack it is well.....garbage.

      (6 of 7 customers found this review helpful)

       
      3.0

      Great idea but needs improving

      By Guitargeek

      from United Kingdom

      About Me Experienced

      Pros

      • Compact Design
      • Good Selection Of Effects
      • Great Idea

      Cons

      • Not Responsive
      • Poor Sound Quality

      Best Uses

      • Amateur Recording
      • Home Studio
      • Performances

      Comments about Electro-Harmonix B9 Organ Machine Guitar Effects Pedal:

      Potentially a very useful effect to enhance the overall sound of a band needing authentic keyboard tones based upon a variety of recognisable organ tones.
      The first two units I tried had major tracking issues, the third was better and was therefore purchased and added to my pedal board. Sadly, after only one month's ownership, the click control now refuses to alter the click sound at all and only works as a depth control for the modulation. It has also developed an annoying 'quacking' sound on triggering certain notes. An email to EHX asking for their help and advice was met by a rather abrupt and disinterested reply telling me to send it to an authorised service agent. Thanks EHX for your commitment!
      It appears to me that there are some real quality issues here and EHX won't own up to them, however the overall idea is great and some of the sounds are very authentic and useable.
      EHX need to admit that they have some quality issues with this pedal and rectify them quickly. Also a better communication with the end users (their lifeblood customers) wouldn't go amiss.
      Would recommend (with caution), but beware of the issues mentioned.

      (6 of 9 customers found this review helpful)

       
      2.0

      nice toy

      By goldtop

      from sgf,mo

      About Me Professional Musician

      See all my reviews

      Ask me a question

      Pros

      • Great Jazz Tone

      Cons

      • Needs More Development

      Best Uses

      • Amateur Recording

      Comments about Electro-Harmonix B9 Organ Machine Guitar Effects Pedal:

      big chords fade out 1 note at a time very strange ! some of the settings have to much click, overall this in not ready to be used as nothing more than a toy, i predict this will be further developed and released with much better features in the future.

      (6 of 7 customers found this review helpful)

       
      5.0

      This Unit Is Amazing!

      By hippiekarl

      from Pahrump, NV

      About Me Professional Musician

      See all my reviews

      Ask me a question

      Pros

      • Compact Design
      • Excellent Sound Quality
      • Good Selection Of Effects
      • Responsive
      • Versatile

      Cons

        Best Uses

        • Events
        • Performances

        Comments about Electro-Harmonix B9 Organ Machine Guitar Effects Pedal:

        This pedal has *real* organ-tone (especially compared to your POG or Organizer!). It actually sounds like you brought a B3/Leslie...It tracks best below the 12th fret in most of its voices, but a few still sound right in higher registers. Playing 1 or 2 strings sounds like a full chord, due to all the overtones. Four (or more) degree chords sound even better (7ths, 9ths...), as do 2nd and 3rd inversions of chords, due to the nature of keyboards, and if you are willing to adapt your guitar technique a little, you absolutely sound like an organ---not like a 'guitar-effect'. Slurs (and hammers) sound more 'authentic' than bends, too. I keep the 'Click' knob off, and get my modulation from a ThroneRoom Trem and a Mini DejaVibe3. My Favorite voices are 'Fat/Full', Gospel, Cathedral, and Continental. I run mine in my effects loop, and roll my guitar tone back a bit when it's on, since it's brighter than the guitar signal. If I ran it to another amp I wouldn't have to do that, since it has 2 outs. I may try running the Wet out to a PA channel.....

        (5 of 14 customers found this review helpful)

         
        2.0

        Sorry I paid for this!

        By Bop Kit Bill

        from In front of my amps

        About Me Experienced

        See all my reviews

        Ask me a question

        Pros

        • Compact Design

        Cons

        • Limited Selection Of Effects

        Best Uses

          Comments about Electro-Harmonix B9 Organ Machine Guitar Effects Pedal:

          Do yourself a favor and get the C9 instead. I feel like I've been scammed by EHX. Had I known that they were gonna release a better unit for the same price only a very short time later I would have saved my hard earned money. So benefit from my experience and get a C9 instead as it's a much more usable unit...Or even better just boycott EHX and their predatory practices entirely! I had been a loyal EHX user with a Deluxe Memory Man, Q=Tron, Small Stone, Soul Food etc... But the stunt they pulled with the B9 has lost them any future support from me...Way to go EHX!

          (5 of 5 customers found this review helpful)

           
          5.0

          Guitar -AND- Organ

          By seedamps

          from Kansas City

          About Me Experienced

          See all my reviews

          Ask me a question

          Pros

          • Compact Design
          • Good Selection Of Effects
          • Live
          • Responsive
          • Versatile

          Cons

          • Difficult To Use
          • No Synth Tones
          • Synth Tones

          Best Uses

          • Amateur Recording
          • Home Studio
          • Performances
          • Professional Recording
          • Use Both Channels

          Comments about Electro-Harmonix B9 Organ Machine Guitar Effects Pedal:

          The B9 is a very helpful pedal for personal use, recording, noodling, but took me several hours to determine how to use it in a live setting, and it adds quite a bit when used thoughtfully. At first I was disappointed with the guitar AND effect sound together, because the guitar pedal board runs to an edge-of-breakup amp, and this can sound brittle with the B9 tones, plus it does not allow drive/fuzz to be stomped into the guitar chain. Sounds unnatural this way.

          Be patient! The DRY output sends out the guitar only, and bypasses ALL knobs on the pedal (you can turn them any way and the guitar signal is not changed). This output goes to your guitar pedal board. The ORGAN output is every knob on the pedal, **including the DRY guitar knob**. So, turn the dry guitar knob down and send this second output to the mixer or a separate effects chain to a clean amp! Wow does it thicken up the mix. Add compression and some reverb/delay to the ORGAN signal for impressive fullness.

          The patches have different sensitivities and output levels, so for every selection of the dial, you will need to adjust the ORGAN output knob. The most usable-in-a-live-situation patches are the JAZZ, OCTAVES, and CATHEDRAL.

          Roll the highs off of the organ sound in the second amp/mixer, and it's super sweet.

          Displaying reviews 1-10

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