OTO Machines BOUM Stereo Warming Unit

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BOUM is a full analog stereo warming unit, combining an easy-to-use compressor, a versatile distortion generator and a smooth low-pass filter

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Manufacturer: Oto Machines

Category: Recording & Playback

*Note that the price is based on when we previously had this product in stock. When placing an order for an item temporarily out of stock, in most cases the price will remain the same, however occasionally the price may be subject to change. If this is the case then we'll tell you straight away and offer a refund.



BOUM is a full analog stereo warming unit, combining an easy-to-use compressor, a versatile distortion generator and a smooth low-pass filter. BOUM is the perfect tool when you need to add warmth, thickness, and character to your sounds, but also apply severe distortion and extreme compression treatments.

BOUM is based on an original and unique circuit, including the following stages :

INPUT GAIN: boost your signal up to +18db to adapt BOUM to many signal levels, and also improve the distortion content and the compression sensitivity.

COMPRESSOR: with a single knob, control the 3 essential parameters of a compressor, threshold, ratio and makeup gain, without thinking of how a compressor works ! The ratio ranges from 1:1 (no compression) to inf. :1 (limiter), but also negative compression up to 1: -1 !
6 different Attack and release times are available for fine tuning.

LO CUT FILTER: attenuate the distortion content of the bass frequencies, making your distorted sound easier to mix with the original one, with this 6 dB/Octave lo cut filter.

DISTORTION GENERATOR: choose one of the 4 different distortion circuits :
- BOOST : soft clipping amplifier, perfect for subtle harmonic enhancement.
- TUBE : asymmetrical tube distortion emulator based on MOSFET technology. Generate mostly a second harmonic distortion.
- FUZZ : symmetrical hard clipping amplifier, similar to an overdriven mixer preamp.
- SQUARE : pure square wave generator based on a comparator. The ultimate fuzz !

HI CUT FILTER: soften the high frequencies with this smooth and musical 12 db / octave low pass filter.

NOISE GATE: remove the noise coming from the different treatments, or use it for interesting chopping effects.
All these analog effects are packaged in a compact format, with 36 user presets and full MIDI control.
BOUM will give you a wide range of compression, distortion and filtering effects, ranging from subtle harmonic enhancement to an insane square distortion, and everything in between !




• Analog signal path and sidechain
• One knob compressor (Ratio 1:1 to 1: -1) with attack & release parameters
 • 4 distortions : Boost, Tube, Fuzz and Square
• Variable HiCut Filter, 12 dB /Oct, from 20 kHz to 10 Hz
• Gate with threshold up to 0 dB for production purpose
• Input Gain up to +18 dB
• Lo Cut Filter : Flat, 75 Hz, 150 Hz, 300 Hz
• 36 user presets
• MIDI input: BOUM responds to CCs, Pgm Change, Note
• Nice and simple user interface via 16 white LEDs
• Rugged steel enclosure
• Neutrik® jack connectors
• Power supply included