Martin Audio

Martin Audio iKON iK41

High Power 4 Channel Class D Amplifier

6,000 Watts RMS

The iKON iK41 is an advanced 4-channel power amplifier which combines high power density with superb audio performance, state-of-the-art DSP and network control. A dedicated controller amplifier for Martin Audio WPM line arrays, TORUS 8, and selected other systems, the iK41 can also provide multi-channel amplification for select Martin Audio loudspeakers.

iKON iK41

Technical Specifications

GENERAL
Type
High performance Series Resonant
Power Output
1500W into 2Ω, 1500W into 4Ω, 750W into 8Ω, 325W into 16Ω, 3000W bridged per channel pair, 4Ω, 3000W bridged per channel pair, 8Ω
CV line Output
685W, 25V line. 1500W, 70V line. 1163W, 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 (105°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) (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, 4 ohm load)
Total Harmonic Distortion
<0.05% typical @ 1kHz, 4 ohm load
Slew Rate
>60V per microsecond
Damping Factor
>800 at amplifier output, ref 8 ohms
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, 4 x Dante™ inputs routable to 4 x input 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
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)

iK41 can deliver a full 1500 watts per channel into 4Ω and 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 iK41 to provide a multitude of features that ensure maximum performance of select loudspeaker systems. 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 WPM line array systems.

The iK41 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.

  • Four channels of efficient Class D amplification
  • High power density in 2U rack height
  • Up to 6,000 Watts total power output, depending on load impedance
  • 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™ (AES67 compatible) digital audio network inputs
  • Ethernet network for system operation, control and monitoring via Martin Audio VU-NET™ software
  • Comprehensive protection and monitoring functions


GENERAL
TypeHigh performance Series Resonant
Power Output1500W into 2Ω, 1500W into 4Ω, 750W into 8Ω, 325W into 16Ω, 3000W bridged per channel pair, 4Ω, 3000W bridged per channel pair, 8Ω
CV line Output685W, 25V line. 1500W, 70V line. 1163W, 100V line.
Digital Signal Processing96kHz/48kHz DSP on all inputs and outputs
CoolingDual vari-speed fans, front-to-back airflow
Maximum Ambient Temperature40°C (105°F)
AUDIO INPUTS/OUTPUTS
Analogue In/Link (4 Channels)4 x female, 4 x male Neutrik™ XLR
Analogue Input Impedance20kΩ 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) (AES67 COMPATIBLE)2 x shielded RJ45, primary and secondary
Amplifier Outputs4 x Neutrik Speakon™ NL4
AUDIO PERFORMANCE
Dynamic Range>113dBA, analogue input, >114dBA AES/Dante™ input
Frequency Response7Hz-30kHz (-2.5dB points, 4 ohm load)
Total Harmonic Distortion<0.05% typical @ 1kHz, 4 ohm load
Slew Rate>60V per microsecond
Damping Factor>800 at amplifier output, ref 8 ohms
CONTROL AND MONITORING NETWORK
ProtocolEthernet
Control ApplicationMartin Audio VU-NET™
DIGITAL SIGNAL PROCESSING
Sample Rate96kHz (48kHz for FIR filter implementation)
Audio Inputs4 x analogue, 1 x AES pair with link output, 4 x Dante™ inputs routable to 4 x input DSP
Drive Module Input DSPInput signal routing, delay, gain, HPF, Phase, Mute EQ: 2 x low shelf, 6 x PEQ/bandpass and FIR shelving filters
Drive Module Output DSPSource, delay, gain, Phase, Mute, crossover filters, limiters. EQ: low shelf, 8 x PEQ / band pass and shelving filters
POWER SUPPLY
AC Input Operating Range85 – 240V ~ AC, 47 - 63Hz
Mains Inrush Current6A at 115V, 12A at 230V (max for <10ms)
Mains ConnectorNeutrik 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
Weight12.5kg (27.5lbs)

About Penguin Media Solutions

Penguin Media Solutions is a professional audio, video, and lighting design, installation, and maintenance company based in Brighton, UK. As an authorised Martin Audio dealer, we provide high-performance AV systems for commercial venues, hospitality, and event spaces across Brighton, London, and South-East England.

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