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Alesis Ion

Alesis Ion

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Alesis Ion analogue synthesizer

Developed by innovative Alesis engineering and DSP technology, the Alesis ION is a high-resolution analog modeling synthesizer offering breakthrough processing power, real-time control, and great value.

Ion Features:

  • Built on a 500 MIPS processor platform (500 million instructions per second)
  • ION offers continuously variable wave shapes, plus sync and FM synthesis
  • 16 filter types are included, along with two LFOs, Sample & Hold, and an Arpeggiator—all of which sync to MIDI clock.
  • 8-voice polyphony with 3 oscillators per voice
  • 4-part multi-timbral.
  • 40-band vocoder that does not use up any polyphony
  • 30 controllers with 3 variable illuminated control wheels

The ION features an ergonomic user interface with 3 variably-illuminating control wheels and 31 amply spaced control knobs. The knobs are 360 degree potentiometers with 12-bit resolution, yielding 32 times the resolution of a typical MIDI controller, yet still compatible with the latest sequencers via NRPNs (Non-Registered Parameter Numbers). The result is extraordinary precision—void of any undesirable digital artifacts—and a very “analog” sound throughout the entire frequency range.

A 160x160 graphic display provides instant visual feedback as a parameter is edited. The ION keyboard contains 49 velocity-sensitive keys, 4 analog outputs and 2 stereo analog inputs (all balanced and using 24-bit conversion), 4 individual insert effects, a stereo master multi-FX processor, and an internal universal power supply.

Developed by a world-class sound design team, many of whom programmed the flagship Andromeda synthesizer, the ION’s 512 user-rewritable presets cover a variety of genres, including many exciting new tonalities, as well as classic synth emulations. New sounds will also be available from the Alesis website, as will a Flash demo of the ION.

Alesis Ion Specification:

Sound Engine

Sound Generation: Alesis proprietary DSP Analog Modeling

Polyphonic Voices: 8, each with 3 oscillators, 2 multi-mode filters, 3 envelope generators, 2 LFOs, programmable effects send and modulation matrix.

Program Memory: 512 Preset Programs, 64 Multi-timbral Setups, all user-rewritable

Effects: 4 Drive Effects (1 each per Part) plus Master Effects (Shared)

Audio Input

Input Connectors: 2 Balanced 1/4” TRS jacks

Maximum Input Level: +5.2dBu (1.41VRMS)=-0dBFS

Input Impedance: 10kW

Audio Output

Output Connectors: 4 Impedance-Balanced 1/4” TRS jacks, º” TRS Headphone Jack

Maximum Output Level: +18dBu (6.15 VRMS)=-0dBFS

Output Impedance: 1kW

Audio Performance

Signal To Noise Ratio: >95 dB A-weighted, Ext In to Main or Aux Out

THD+N: < 0.005%, External In to Main or Aux Out

Frequency Response: 20-20kHz ± 0.20dB, External In to Main or Aux Out

Power Consumption: 12 Watts max (100-240VAC/50-60Hz)

Physical Keyboard: 49 keys (velocity, release velocity sensitive)

Real-Time Controllers: 30 360-degree Parameter Knobs, 2 Assignable Modulation Wheels, Assignable Pitch Wheel

Pedal Jacks: Assignable Exp pedal jack, Sustain pedal jack

MIDI Connections: MIDI In, MIDI Out, MIDI Thru

Audio Outputs: Main L/R , Aux L/R, Headphone (1/4” TRS)

Dimensions (WxHxD): 33.0” x 3.75” x 13.0” / 838.20 x 95.25 x 330.20mm

Weight: 20 lbs / 9 kg

A&C Hamilton Musical Instruments Preston Lancs PR2 1XN 01772 722468