Martin Audio iKON iK81 High Power, 8-Channel Dante Class D Amplifier

The iKON iK81 Dante 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.

Key Features

• Eight channels of efficient Class D amplification
• Very high power density in 2U rack height
• 10,000 Watts total power output
• High performance 96kHz DSP on all inputs and outputs (48kHz on outputs when implementing FIR filters)
• Switch mode power supply
• Global mains operation, 85V to 240V auto-sensing
• Intuitive, user-friendly, front panel interface
• Analogue, AES3 and Dante digital audio network inputs
• Ethernet network for system control and monitoring via Martin Audio VU-NET software application
• Comprehensive protection and monitoring functions

Technical Specifications

TYPE
Eight-channel Class D amplifier
POWER OUTPUT (*)
1250W into 2
1250W into 4
1250W into 8
2500W bridged per channel pair, 4 or 8
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
20k 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, 4 load)
TOTAL HARMONIC DISTORTION
<0.05% typical @ 1kHz, 4 load
SLEW RATE
>60V per microsecond
DAMPING FACTOR
>800 at amplifier output, ref 8
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)