Electro Harmonix B9 Organ Machine

Overview: Electro Harmonix B9 Organ Machine

The Electro Harmonix B9 Organ Machine is a specialized effects pedal designed to transform an electric guitar or bass signal into a range of iconic organ timbres. Priced at $188 and supplied with its own 9.6V DC power adapter, it aims at guitarists hunting for authentic keyboard flavors without resorting to MIDI gear or complex processing. The pedal features nine distinct organ presets, separate outputs for dry (untreated) and organ sounds, and four essential controls to shape the effect. Since its launch in mid-2014, the B9 has built a reputation as a niche tool with unique tonal possibilities and a few important quirks.

Features and Controls

• Organ Emulation: The B9 generates organ sounds by processing your guitar or bass signal, allowing access to signature tones from jazz, gospel, classic rock, cathedral, and more. Presets include Fat & Full, Jazz, Gospel, Classic Rock, Bottom End, Octaves, Cathedral, Continental, and Bell Organ.
• Controls:
  • Dry (Volume): Adjusts the level of your original instrument sound.
  • Organ (Volume): Sets the output level of the organ emulation.
  • Modulation: Alters parameters unique to each preset, often controlling chorus or vibrato for more swirling or shimmering sounds.
  • Click: Emulates the attack click of various organs, which can add percussive character, especially useful for funk or gospel settings.
• Inputs and Outputs: Standard quarter-inch jacks are provided. There are two separate outputs, one for the dry guitar signal, one for the processed organ sound.
• Build and Size: The chassis measures 102 x 121 x 89 mm. Construction quality is robust, on par with most Electro Harmonix products, though lighter than some alternatives.
• Included Power Supply: The pedal ships with a compatible 9.6V DC adapter, ensuring hassle-free setup.

Sound Quality and Preset Versatility

The core appeal of the B9 is its ability to convincingly transform a guitar's timbre into a polyphonic organ. In practice, some presets, especially Jazz and Continental, stand out as impressively close to real electric organs, capturing the woody, swirling tone reminiscent of vintage Hammonds and classic combo models. The Cathedral setting provides a lush, reverberant pipe organ suitable for ambient pads or dramatic fills, while Fat & Full offers a dense, swirling mix ideal for retro rock covers.

Other preset modes like Gospel and Bell Organ work well for texture, though several users note that not all nine are equally practical for every context. Many sounds differ not just in harmonic content but also in EQ and output volume, which can require ongoing adjustment when switching between them in live situations.

The pedal's polyphonic tracking handles slow arpeggios, held chords, and melodic lines capably, though percussive or rapid playing can introduce glitches or latency. The effect is highly sensitive to your picking dynamics, the B9 responds non-linearly, meaning sharp attacks can lead to sudden volume jumps. This can be mitigated by running a compressor or sustainer pedal in front, which most experienced users recommend, both for consistency and to maintain sustain on long notes.

Playability and Limitations

The B9 requires a shift in technique to achieve optimal results. The pedal excels with single notes, dyads, and simple triads. Playing four or more strings, full barre chords, or aggressive strumming tends to muddy the output, double stops and guitar-style jazz voicings track most cleanly. Slides, bends, and heavy vibrato can work but often produce more "synth-like" artifacts rather than classic organ textures.

The bridge pickup is generally favored, as it delivers a brighter, clearer input signal which the pedal's tracking engine interprets more reliably. Rolling off your guitar's tone control also subtly darkens the organ output. Players note that using an effects loop with a dedicated amplifier or PA for the organ output can further refine results, though this increases setup complexity.

Output and Routing Details

One persistent criticism is the fixed output routing: both dry and organ outputs are active at all times. This design means you cannot exclusively mute the dry guitar when the effect is on, which limits flexibility. Some users work around this by employing a volume pedal or switching amp channels, though a dedicated output mute feature would have improved usability for live performances. In the studio, routing both outputs to separate channels enables nuanced re-amping and blending, at the cost of additional gear and cabling.

Reliability and Build Quality

The B9 Organ Machine has a reputation for solid reliability in home and studio use. Sturdy switches and pots stand up to regular adjustment. A minority of users reported unit failures after extended use, but after-sales service from the manufacturer and retailers has generally been responsive.

Practical Applications

• Augmenting a rock, pop, or blues trio missing a keyboardist, filling out ballads, intros, or bridges with classic keys flavor.
• Studio sound design, layering organ padding beneath guitar lines for added depth without keyboard programming.
• Live looping and solo acts, creating lush backgrounds for soloing or vocal numbers.

Players mostly agree that the B9 supplements rather than replaces a real organist, but it lets guitarists bring those essential Hammond or pipe organ colors to projects where adding another musician or MIDI rig would be impractical.

Conclusion

The Electro Harmonix B9 Organ Machine stands out for its ability to add authentic organ textures to a guitarist's tone arsenal. It shines in controlled settings with careful playing, a steady input signal, and attention to technique. Users should expect an acclimatization period and may need to tweak their playing and pedalboard configuration for best results. While not a one-button solution for total organ emulation, it remains unrivaled in its price and category, offering inspiring sounds and surprising realism, balanced with a few clear operational compromises. For creative performers looking to broaden their palette beyond standard guitar effects, the B9 is a genuinely inventive option.