Martin Audio IKON IK81-DANTE

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.

The iK81 can deliver a full 1250 watts per channel into 2, 4 or 8 ohms with all channels driven while remaining highly efficient. Its high efficiency reduces the energy drawn from the mains supply and ensures the power reserves needed to deliver superb sound under arduous live conditions.

Ethernet is used for system remote control and monitoring via Martin Audio’s VU-NET software application, while a user friendly front panel interface allows full local control of all features. Dante digital audio network inputs are also provided for digital audio distribution and control.

Powerful DSP is fully integrated into the iK81 to provide a multitude of features. It also provides up to 1000 FIR filter taps @ 48kHz on each output channel, which is essential to implement DISPLAY’s wide bandwidth optimisation process in the WPM line array.

The iK81 employs comprehensive protection functions to maintain safe operating conditions of both the amplifier and the loudspeakers driven — including a sophisticated loudspeaker limiter suite which incorporates peak, RMS and excursion limiting, as well as multiband limiting for passive 2-way systems.

Specifications

GENERAL
Type	Eight-channel Class D amplifier
Power Output (*)	1250W into 2Ω 1250W into 4Ω 1250W into 8Ω 625W into 16Ω 2500W bridged per channel pair, 4Ω 2500W bridged per channel pair, 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™ (8 Channels) (AES67 Compatible)	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)
Audio Inputs	4 x analogue, 1 x AES pair with link output, 8 x Dante™ inputs (4 x inputs routable to 4 x input DSP, 4 x inputs routable to output DSP)
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)