Alesis ION

Alesis Ion Specifications:

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

Instruction manual / Safety instructions:

• Manual (700.21 KB)

Further links:

• Print View