Martin Audio iKON iK81
High Power 8 Channel Class D Amplifier
10,000 Watts RMS
The iKON iK81 is an advanced 8-channel power amplifier which combines very high power density with superb audio performance, state-of-the-art DSP and network control. A dedicated controller amplifier for the Martin Audio Wavefront Precision WPM line array, the iK81 can also provide multi-channel amplification across the Martin Audio loudspeaker range.
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Specifications of the iKON iK81
| General | |
| Type | Eight-channel Class D amplifier |
| Power Output | 1250W into 2Ω 1250W into 4Ω 1250W into 8Ω 2500W bridged per channel pair, 4Ω or 8Ω |
| Cv Line Output | 625W, 25V line 1250W, 70V line 1250W, 100V line |
| Digital Signal Processing | 96kHz/48kHz DSP on all inputs and outputs |
| Cooling | Dual vari-speed fans, front-to-back airflow |
| Maximum Ambient Temperature | 40°C (104°F) |
| Audio Inputs/Outputs | |
| Analogue In/Link (4 Channels) | 4 x female 4 x male Neutrik™ XLR |
| Analogue Input Impedance | 20kΩ balanced to ground |
| Maximum Analogue Input Level | +20dBu |
| Aes3 In/Link (2 Channels) | 1 x female, 1 x male Neutrik™ XLR, balanced |
| Dante™ (4 Channels) | 2 x shielded RJ45, primary and secondary |
| Amplifier Outputs | 4 x Neutrik Speakon™ NL4 |
| Audio Performance | |
| Dynamic Range | >113dBA, analogue input >114dBA AES/Dante™ input |
| Frequency Response | 7Hz-30kHz (‐2.5dB points, 4Ω load) |
| Total Harmonic Distortion | <0.05% typical @ 1kHz, 4Ω load |
| Slew Rate | >60V per microsecond |
| Damping Factor | >800 at amplifier output, ref 8Ω |
| Control And Monitoring Network | |
| Protocol | Ethernet |
| Control Application | Martin Audio VU-NET™ |
| Digital Signal Processing | |
| Sample Rate | 96kHz (48kHz for FIR filter implementation) |
| Physical Inputs | 4 x analogue 2 x AES 4 x Dante™ inputs routable to four DSP drive modules |
| Drive Module Input Dsp | Input signal routing, delay, gain, HPF, Phase, Mute EQ: 2 x low shelf, 6 x PEQ/bandpass and FIR shelving filters |
| Drive Module Output Dsp | Source, delay, gain, Phase, Mute, crossover filters, limiters EQ: low shelf, 8 x PEQ / band pass and shelving filters |
| Power Supply | |
| Type | High performance Series Resonant |
| Ac Input Operating Range | 85 – 240V ~ AC, 47 - 63Hz |
| Mains Inrush Current | 6A at 115V, 12A at 230V (max for <10ms) |
| Mains Connector | Neutrik 32A Powercon™ |
| Physical | |
| Dimensions | (W) 482 x (H) 2U/88mm x (D) 441mm (W) 18.98in x (H) 2U/3.46in x (D) 17.35in (incl handles and optional rear support) |
| Weight | 12.5kg (27.5lbs) |
