Martin Audio iK41 User Manual
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iK41 User
Guide

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Summary of Contents for Martin Audio iK41

  • Page 1 User Guide...
  • Page 2 If servicing is required, contact qualified service ▪ Don't block the ventilation openings. ▪ personnel. Install in accordance with Martin Audio instructions. ▪ At the end of this unit's life, please use a recycling ▪ Don't remove the protective earth from the power centre.
  • Page 3: Table Of Contents

    User Guide Table of Contents Introduction ............................5 Drive modules ..........................5 LIR crossover filtering ........................5 FIR linear phase equalisation ......................6 Installation .............................. 7 AC Power Connection ........................7 Audio connections ........................... 8 Front panel ............................10 Back panel ............................
  • Page 4 User Guide Tipi control ............................35 Tipi examples ............................37 EQ and filter response graphs ........................38 Power draw and thermal dissipation ......................41 Technical specifications ......................... 42 Loudspeaker compatibility ........................44...
  • Page 5: Introduction

    Very high power density – packs four output channels ▪ and 6,000 kW into just 2U of rack space The iK41 processor orders and groups channels using a speaker-based approach to controlling, designing and Packed with robust protection and monitoring systems ▪...
  • Page 6: Fir Linear Phase Equalisation

    User Guide and thus entirely free of Group Delay Distortion. The shape of the LIR crossover filter is quite similar to a 4th order or 24dB/Oct Linkwitz-Riley filter and maintains zero phase difference between the adjacent bands across the crossover region to keep the polar response rock steady.
  • Page 7: Installation

    User Guide Installation iKON amplifiers are designed to be mounted in standard configure themselves for either 115V or 230V nominal 19” rack enclosures. voltage at start up. The amplifiers will operate over an extended range of supply voltages, for details see...
  • Page 8: Audio Connections

    COLD, – or ‘out of phase’ connected to pin 3 of the ▪ The iK41 and iK42 amplifiers are fitted with one speakON XLR connector. connector per amplifier channel. The appropriate conductor terminations are shown below and on the rear The chassis and cable shield connected to pin 1 of the ▪...
  • Page 9 User Guide In addition, the channel 1 or channel 3 connector (all the speakON connectors on the iK81 model) can also be used if the pair of amplifier channels is being operated in bridged mode. More than one speaker can be connected to each channel provided the total impedance per channel is 2 ohms or more.
  • Page 10: Front Panel

    User Guide Front panel 1. Power Switch. Applies mains power to the device. If that you've selected this menu. The up ▲ and the device has entered Sleep mode, you can wake it down ▼ arrows illuminate to show that you can use...
  • Page 11 User Guide parameters of the amplifier within specification, or when the channel is clipping. 11. Driver Indicator. This indicates a signal 6dB higher than the limiter threshold, or that the threshold of the excursion limiter has been exceeded, or that the thermal limiter is active.
  • Page 12: Back Panel

    34). 6. Ethernet Communications Port. Use this port to connect your amplifier and PC. This allows you to control the amplifier using Martin Audio Net (page 31). This software also allows you to update firmware and to integrate with other Martin Audio products such as MLA Series and CDD-Live.
  • Page 13: Example System Setup

    User Guide Example system setup The iK41 is not only a powerful amplifier but it has extremely comprehensive processing abilities allowing complex systems to be designed to suit any application. However, often all you need to do is recall the appropriate preset, connect your speakers and source and away you go.
  • Page 14 User Guide The home screen now shows that DSP A, B C and D are loaded with the XE300 passive preset. Input 1 is routed to Output 1, Input 2 to Output 2 and so on. The amplifier is ready for use.
  • Page 15: Operation

    Modules, preset components and Navigation snapshots Parameter navigation and adjustment on the iK41 is very A Drive Module represents a loudspeaker subsystem (for straightforward. There is no concept of drilling down example, a sub and full range) and comprises one input deeper into hidden menus;...
  • Page 16 AES3 Drive modules or networked audio feeds, can drive any number of DSP inputs. The iK41 uses Drive Modules to represent loudspeaker sub-systems. Drive modules result in a less processor- centric and more speaker-orientated system design. A Component presets...
  • Page 17: Snapshots

    User Guide an edited version of a Factory Preset in any free preset presets available. When the desired preset is reached, location. pressing ENTER will display the message Enter to confirm or ▼ to exit, pressing ENTER will recall In addition to the Factory Presets the device may have the preset.
  • Page 18: Secure Mode

    User Guide For further details, see Modules, preset components and snapshots (page 15). Secure mode Secure mode stops people from updating settings at the front panel. Whenever the amplifier is connected to Net (page 31), the amplifier automatically switches to secure mode.
  • Page 19: Input Menu

    User Guide Input menu Input gain, polarity and muting could just plug a source into any input and it will be automatically selected. The priorities are: Dante first, Use the GAIN menu item to update the input channel AES3 second, Analogue third.
  • Page 20: Parametric Filters

    User Guide Dante Inputs Bessel, Linkwitz- Riley and Hardman. Filter slopes of up to 4th order or 24dB / octave are provided. Not all Using the Dante input, it is possible to select any filter types are available in all slopes. For example 18dB / channel(s) as being sourced from this network.
  • Page 21 User Guide a matrix mixing system where all DSPs can be driven from any one input, or from pairs of inputs “1+2”, “3+4”, “1+3”, “1+4”, “2+3” or “2+4”. Summed inputs have 6dB of attenuation so that a sum of largely similar programme...
  • Page 22: Output Menu

    The iKON amplifiers include three limiters in the output signal path. Please note that whilst these limiters offer Unique to Martin Audio, Linear Impulse Response (LIR) protection for amplifiers and drivers, they can never crossover filtering gives a Linear Phase crossover that has...
  • Page 23: Output Thermal Limiter

    User Guide protect from all possible scenarios. Martin Audio is not Release – The time-constant of the speed at which ▪ responsible for any damage that might occur. the driver cools down (expressed as a multiple of the Attack time).
  • Page 24: Bridge Mode

    User Guide Threshold – the peak voltage of the point arrived at If you bridge channels, an orange bridge indicator ▪ above. This is calibrated at the output of the amplifier. lights up between the two channels on the right-hand The Excursion Limiter can be defeated by setting side of the front panel.
  • Page 25 User Guide 5. To exit the menu, press UTILITY or press OUTPUT several times to step through all the output channels.
  • Page 26: Utility Menu

    User Guide Utility menu From the utility menu you can choose: To link inputs C and D, select Link C on the top line and To D below. STER – see Stereo linking (page 26) ▪ To unlink inputs, select None.
  • Page 27: External Breaker Protection

    User Guide To switch off power saving To edit the relay action for alarms 1. Press UTILITY. 1. Press UTILITY. 2. Press the down arrow button ▼ three times so that 2. Press the down arrow button ▼ five times so that ALM ECO appears top left.
  • Page 28: Recall Snapshot

    User Guide To update the screen contrast 4. Press ENTER. 5. You can now enter a name for the snapshot (up to 12 1. Press UTILITY. characters). 2. Press the down arrow button ▼ eight times so that Rotate ADJUST (the right-hand dial) to select each Screen appears top left.
  • Page 29: Current Ip Address

    User Guide If you change IP mode from static to automatic, you will need to wait for the amplifier to pick up an address. This could take a few minutes. To edit the IP mode 1. Press UTILITY. 2. Press the up arrow button ▲ twice so that IP Mode appears top left.
  • Page 30: Ethernet

    User Guide Ethernet Ethernet configurations IP Troubleshooting IP addressing by the iK41 can be completely automatic, Vu-Net (page 31) can't connect to the amplifier: with no setup required. To select auto IP, see IP mode A Router acting as a DHCP server is highly ▪...
  • Page 31: Vu-Net Software

    If you connect iKON amplifiers and a PC via an Ethernet network, you can control and monitor the amplifiers from your PC. You do this using Martin Audio Vu-Net softare running on the PC. You can also use Vu-Net to control and monitor selected Martin Audio speaker systems.
  • Page 32: Aux Port

    User Guide AUX port AUX X AUX Y 2+Mute 3 snaps 4 snaps 3+Mute 2+Sleep Mute Slp (event or (event or (state) (state) (state) (state) state) state) Open Open No change No change Recall snap 1 Recall snap 1...
  • Page 33: Latency Delay

    User Guide Latency delay Digital Signal Processing and conversion between To see the Drive Module latency different formats of signal (analogue, digital, network and 1. Press INPUT. The channel letter appears top left to so on) introduces some delay (latency) to the signal path.
  • Page 34: Protection Systems

    User Guide Protection systems Comprehensive protection features preserve the longevity Amplifier Driver Notes of the loudspeaker and amplifier by continuously indicator indicator monitoring several critical parameters, and reducing PSU current limiting Will show on all the gain, or muting the amplifier either temporarily or...
  • Page 35: Tipi Control

    User Guide Tipi control Tipi is a simple but powerful ASCII text based protocol Commands for controlling and monitoring iKON amplifiers using SET This tells the amplifier to set the specified third-party control panels or software applications over ▪...
  • Page 36 User Guide Parameter values VHF fault Driver current fault Specify parameter values using the units shown here: Mains voltage fault Temperature fault Suffix Parameter Example HT fault Frequency 650.3Hz PSU shutdown fault Bandwidth 0.32Oct DC fault Decibels –3.4dB Starting fault Miliseconds 120.3ms...
  • Page 37: Tipi Examples

    User Guide Tipi examples SET examples Parameter Example Notes Input mute (yes or no) $SET InB/Mute yes Mute input B Input gain (–40dB to 20dB) $SET InA/Gain -3.2dB Set the gain of input A to –3.2dB Input polarity (yes or no)
  • Page 38: Eq And Filter Response Graphs

    User Guide EQ and filter response graphs...
  • Page 39 User Guide...
  • Page 40 User Guide...
  • Page 41: Power Draw And Thermal Dissipation

    User Guide Power draw and thermal dissipation Sleep mode (slow wake up) AC Mains Power Draw (watts) Current Draw (amps) Thermal Dissipation 120Vac 230Vac watts kcal/hr Btu/hr Standby mode (fast wake up) AC Mains Power Draw (watts) Current Draw (amps)
  • Page 42: Technical Specifications

    User Guide Technical specifications General Digital processing Number of Output channels Four Resolution 40 bit, using proprietary LMD (Linea-Micro- Detail) algorithms Total power output 6,000 watts RMS, depending on load impedance Sample rate 96 kHz throughout Input types Analogue, AES3, Dante...
  • Page 43 User Guide Protection systems An inbuilt alarm and notification system can be configured to indicate problems The control and protection systems to remote devices either via the endeavour to deliver the maximum network or the volt-free changeover power possible for a given set of...
  • Page 44: Loudspeaker Compatibility

    User Guide Loudspeaker compatibility The following table shows the compatability of iK41 with core Martin Audio loudspeakers. 16 Ω 8 Ω 4 Ω 2 Ω 8 Ω Bridged 4 Ω Bridged 325w 750w 1500w 1500w 3000w 3000w CDD5 ✓...
  • Page 45 +1 323 381 5310 www.martin-audio.com Martin Audio, the Martin Audio logo and Hybrid are registered trademarks of Martin Audio Ltd. in the United Kingdom, United States and other countries; all other Martin Audio trademarks are the property of Martin Audio Ltd.

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