Alesis Andromeda A6

Alesis Andromeda A6 (Red) Image

The Andromeda A6 is a true analog synthesizer using two analog oscillators per voice, sub-oscillators, hard and soft sync and more! It features 16-voice polyphony. With the Andromeda, you'll find a huge range of tonal possibilities: searing leads, warm pads, fat bass lines, extreme sound effects and more. And of course there are plenty of knobs (72) and buttons (144), even an assignable ribbon controller for addictive hands-on real-time control! The large high-resolution LCD display is excellent and shows you actual rather than relative values of parameters. Andromeda will integrate seamlessly into any studio with its total MIDI control and sync, individual voice outputs, stereo outputs and several audio inputs.

Andromeda is completely analog - no emulation! It features two analog filters per voice that sound great! They are a multimode 2-pole and a 4-pole lowpass. External audio can be routed through these filters too (three 1/4" jacks)! As for modulation, Andromeda has three LFOs, each with six waveforms and they can be synced to MIDI clock. And there are three 7-stage envelopes with very creative and flexible functions. Also onboard is an extensive mod matrix for enormous freedom in configuring Andromeda's sounds!

Alesis Andromeda A6 (orig) Image

No analog synth would be complete without a set of classic effects and features. Andromeda also offers Portamento with nine slopes and legato functions. A built-in arpeggiator and analog-style sequencer are available, with MIDI sync! There are also some high quality digital effects such as reverbs, chorus, echo, distortion and more! Andromeda comes with 256 breathtaking preset patches plus 128 user. A PCMCIA-format memory card slot allows for additional programs and mixes. Andromeda is pure analog bliss, with all the features, stability and widgets of modern digital synths. It has been used by BT, Air, Duran Duran, Depeche Mode, Nine Inch Nails, DJ Tiesto, Klaus Schulze, Yes and the Pet Shop Boys.

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123 Visitor comments
Bron Telphas
June 3, 2013 @ 3:41 am
Build quality: A6 is housed in a metal enclosure, the end caps and keys being plastic. Mod wheels are rubber. Mine's five years old, and I've never once encountered a bug or a crash (perhaps I am lucky). The phono jacks are mounted directly to the metal casing (good) instead of "only" to the PCB (bad). Pots and buttons seem very good quality. My ONLY complaint, the custom oscillator and filter ICs will be impossible to replace if/when they ever die. I'd rather those sections had been made of mostly generic, discreet components, but that's asking way too much. This thing is already a beast.
Bron Telphas
June 3, 2013 @ 3:30 am
My Voyager and MS-20 are not directly comparable to A6, mono vs poly.

Given the similar patch settings, it is apparent that two or even four A6 oscillators are SLIGHTLY bested by three Voyager oscillators. This also holds for the filter (to the one of the two in the A6 that's more comparable).

A6 uses a single analog chip to make two oscillator voices, and a single analog chip to make two filter channels, while the Voyager boasts hundreds of discreet components to make its three oscillators and filter. (Now, imagine if the A6's 32 oscillators could have been built discreet.. too heavy.)
Bron Telphas
June 3, 2013 @ 3:21 am
I also own a DSI PolyEvolver, Moog Voyager Rack, Roland Juno-106, Korg MS-20. It's senseless to compare the A6, as they are each very different animals, each excels at something.

The DSI has a few digital oscillator tricks up its sleeves which enable a few tones not available in the A6 realm, namely that human-voice-like airy pad, due to the DSI's wavetable section. As for brute-force analog, shimmering pads, otherworldly strings, and rough crunchy bass, the A6 annihilates the DSI.

The A6 usually replaces my Juno, but Juno's think n swirly chorus is analog, besting A6's DSP chorus.
nemos
May 12, 2013 @ 6:22 am
Prophet 12 has DSP-based oscillators. DSP means Digital Signal Processor - it is NOT an analog synthesizer - the fundamental sound creation is in DIGITAL format. The rest is analog in circutry like most "common" synths thus it's basically virtual-analog. All sound creation in Andromeda is analog: from oscillators to filters to envelopes, just with digital control over the parameters. Signal is all-analog going through circutry: it's analog from start to finish. Prophet 12 starts with digital signal and ends with analog signal (thus it's another common "virtual-analog" synth). Argument closed.
Celt
May 9, 2013 @ 11:00 pm
Prophet 12 not analog? Dunno what you're reading gb. Prophet 12, like the other DSI synths are analog but controlled digitally . . . Just like the A6 . . . Which will be better? Well that's like comparing a Ferrari with a Lamborghini! the A6 has more polyphony and digital effects (which I don't like as it digitises that wonderful analog sound), but the prophet will have more oscillators and even some of the VS types oscillators seen on the Evolver . . . Be nice to get a side by side comparison but tbh we can just add another future classic synth to the list, and that's a good thing!
 
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  • Specifications
  • Polyphony - 16 voices
  • Oscillators - 2 oscillators (with subs) per voice, 5 waveforms available (sine, triangle, square, up saw, down saw)
  • Filter - 32 total - 2-pole multimode resonating filter per voice, 4-pole lowpass resonating filter per voice
  • Effects - Digital reverb, chorus, echo, analog distortion, quad pitch-shifting, flange, and more
  • Arpeg/Seq - Arpeggiator: Up, Down, Up/Down, Random; Sequencer: 16-step, analog style; both have MIDI sync
  • Keyboard - 61 keys (velocity and aftertouch sensitive)
  • Memory - Program Memory: 256 preset and 128 user-defined
    Mix Memory: 128 user-defined
    Memory Card Slot: PCMCIA-format
  • Control - MIDI (16-parts)
  • Date Produced - Late 2000 - 2001

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