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JoMoX Alpha Base

Analog Drum Computer

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Alpha Base 1
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JoMoX Alpha Base
JoMoX Alpha Base
1 800.00 street price

It's true analogue. Eleven instruments, sequencer, Midi/USB/SD-Card. Samples. Sampling inputs, balanced individual outputs.

Although it may appear similar to the classics XBASE 09, 999 and 888, the ALPHA BASE has an entirely new design under the hood. We have put in the concentrated know-how of the Jomox drum machines and of our synths of the past 20 years. We have simplified some things, but also added new components or have combined them new. The outcome is the best sounding and most versatile drum machine that Jomox has ever built.

    11 Instruments:
    Kick Drum, MBrane, Cl HiHat, Op HiHat, Clap, Rim Shot, Crash, Ride, X Sample 1, X Sample 2, FM Synth.

    Real analog Jomox kick drum.

    Real analog Jomox MBrane voice with 2 coupleable F-OSC for complex analog snare, percussion, bass and tom sounds ranging from 16Hz to 20kHz.

    2 sample based instruments with analog VCA ADSR envelope and/or HH filter, optionally with metallic noise mixed as extra sound source. The HH filter is 2-pole, HP/LP/Res each separated parameters, peakable but not oscillating.

    4 sample based instruments with analog VCA ADSR envelope and/or resonating multimode filter (LP, HP, BP) with ADSR envelope, optionally with metallic noise mixed as extra sound source. The multimode filter can be used as a signal generator in order to generate analog toms or sticks etc.

    2 sample based instruments with external sampling input and pure digital playback.

    1 FM synth with 4 operators and max. 6 voices for percussive sounds.

    Effects delay, reverb with send per instrument, also insertable into analog signal path on CH, OH, Clp, Rim, Ride.

    LFOs: per instrument one LFO (MBrane 2 LFOs) with 64 wave forms, each assignable on pitch, VCA, filter cutoff.

    250 samples 16 Bit/48kHz in internal flash memory.

    SD card slot for loading of samples.

    USB (Midi Device).

    Midi In, Midi Out, Midi Thru.

    DIN sync out 2x integrated in the jacks Midi Out or Midi Thru.

    Inputs: stereo in for sampling, FX or sidechain. Both inputs are Hi-Z and suitable for guitar/bass or work up to line level +20dBu.

    Outputs: 8 individual balanced outputs, stereo mix balanced, headphones.

    Output Level: max. ca.+14dBu unbalanced, +20dBu balanced on all outputs.

    18 encoders

    Input Volume, Phones Volume and Mix Volume are analog potentiometers.

    LCD display 2x24 characters.

    12V 2A DC external power supply.

    Stable metal case.

    Wood side cheeks, rubber feet.

    Size: 41cm (16.1") x 24cm (9.5") x 8cm (3.2") (back side).

    Weight: ca. 3.3kg (7.26 lbs).

Country of origin / production: Germany

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More info
Usage area
Rhytm/ Drum Machine 
Usage Design/ Form Factor
Without Keys, Desktop 
Analogue (A) 
Drum/ Percussion Channels11
Tone Generator / Sound Synthesis
Synthesis Method Frequency Modulation (FM)
Technology of Sound Generation PCM
FM Operators4
Programs/ Voices/ Timbres
Percussion/ Drum Capabilities Kick Drum
Percussion/ Drum Capabilities Clap/ Hand Clap
Percussion/ Drum Capabilities Hi-Hat Open
Percussion/ Drum Capabilities Hi-Hat Close
Percussion/ Drum Capabilities Rim Shot
Percussion/ Drum Capabilities Crash Cymbal
Percussion/ Drum Capabilities Ride Cymbal
LFO Target
Resolution 16 bit/ 48 kHz
Samples Bank Size250
General MIDI (GM) 
MIDI in/ out
Display type TFT
Resolution: Symbols Count48
Built-in controllers
Audio out
Dedicated output per voice 
All voices mixed in one output 
Analogue: 1/4" (6.35mm)9
Analogue: 1/4" (6.35mm) headphones preamplified1
Computer Interfaces
USB MIDI through USB
External drives/ memory cards
SD (SecureDisk) 
Voltage 12V
Power Supply External
Height80 mm
Width410 mm
Depth240 mm
Weight3.3 kg
Case/ body
Production start2017

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