Alesis Ion
| Ion | |
|---|---|
 |
|
| Manufacturer | Alesis |
| Dates |
2003-2007 price = $700 |
| Technical specifications | |
| Polyphony | 8 |
| Timbrality | 4 |
| Oscillator | 3 |
| LFO | 2 |
| Synthesis type | Virtual analog Subtractive |
| Filter | 2 |
| Attenuator | 1 |
| Effects | 4 |
| Input/output | |
| Keyboard | 49-key |
| Left-hand control | 3x Wheel |
2003-2007
The Alesis Ion is an analog modeling synthesizer. It was presented to the public on the Summer NAMM of 2002. Unlike the Alesis Andromeda, Alesis's analog synthesizer, its sounds are synthesized using DSP chips to mimic the sound of analog audio circuitry and components.
The Ion has several features that make it stand apart from other analog modeling synthesizers. Most importantly, it features a selection of emulations of classic analog filter models of synthesizers such as the Moog Minimoog, Oberheim's SEM, the Roland TB-303, the ARP 2600 and the Roland Jupiter 8. Besides these emulations (which carry euphemistic names due to trademark issues), it has a series of filter models that are not commonly found on most synthesizers, such as formant and comb filters. This vastly increases the sonic range; most virtual analogs have only a single multimode filter (usually featuring low-pass, high-pass and band-pass modes) which was either designed from scratch or "inspired by" an existing "famous" filter model. The fact that two of these filters can be used in a parallel or serial configuration adds to the sound design possibilities.
Besides the selection of filters, it has an extensive modulation matrix. This allows the user to route a source (such as an LFO) to various targets with an adjustable intensity. The Ion's extensive "Mod Matrix" rivals the routing options of some voltage-controlled modular synthesizers.
While most virtual analog synthesizers are equipped with on-board effects, the Ion lacks two important ones; reverb and a long delay (the on-board delay only has 80ms of delay time). These are often used on synthesizers to add some atmosphere to what would otherwise be a "dry" sound.
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