Martin Audio OmniLine Portable Speaker Dimensional drawing

The Martin Experience

Powering your

OmniLine®

(For general system preparation, see the OmniLine

system preparation - preliminary guidance)

Powering your OmniLinetm

(For general system preparation, see the OmniLine system preparation - preliminary guidance)

General

Your OmniLinetm is delivered in blocks of 4 modules ready wired in parallel. These four-module blocks

may be separated into smaller blocks or individual modules, linked and paralleled to other blocks or

modules using short link wires - or series connected to other blocks or modules using the series

Connector pcb supplied with each four-module block (see illustration below).

The Connector pcb also provides an input termination.

This allows the installer to build an array of appropriate length (we recommend 6% of each plane to

be covered for good spectral balance) with electrical characteristics best suited to the Martin Audio

power amplifier chosen.

Amplifier choices and limiter settings

The following chart shows Martin Audio power amplifier choices (indicated by dots) and Martin Audio

DX1.5 or DX2 limiter settings (in red) to obtain optimal performance from the wide range of OmniLine

array sizes and patch configurations possible.

Single channels, two channel and four channel configurations are shown. Multi-channel configurations

are useful where zone control may be required.

To avoid amplifier clipping (which dumps excessive power into the HF arrays in the form of odd-order

harmonics) it is best to choose the highest power amplifier in the range indicated. Note that power

amplifiers must be set to the industry standard maximum voltage gain of 32dB (x40) with a correctly

limited DX1.5 or DX2 system controller to comply with warranty conditions.

(This chart is repeated full-size on the next page for easy reference)

ClipLim settings

Martin Audio loudspeakers are AES power rated. AES ratings allow for up to 6dB voltage (4 x power)

instantaneous peaks. We therefore recommend that you set your DX1.5 or DX2 output channel

ClipLims to +6dB.

Controller presets?

Note that we do not publish fixed presets for the OmniLine – apart from recommending a standard

60Hz high pass filter and the required limiter settings. The OmniLine Software – used to optimise the

array shape – also generates the controller settings required for a flat in-situ system response or to

meet your chosen house curve using the Optimise EQ function.

OmniLine array patches

Single OmniLine modules are 16 ohm elements. Four modules are supplied in each carton. These

four modules are connected in parallel to form a standard 4 ohm block but may be reconfigured,

paralleled or series connected to provide a wide variety of series/parallel configurations chosen from

the preceding chart.

Single channel configurations

1 module array (16 ohms)

2 module array (8 ohms)

4 module array (4 ohms)

Please note that if you don’t understand series and parallel electrical configurations, you

are strongly advised to enlist the advice of a profession sound system technician or

experienced installer.

6 module array (2.67 ohms)

6 module array (10.67 ohms)

8 module array (8 ohms)

12 module array (5.3 ohms)

16 module array (4 ohms)

24 module array (2.67 ohms)

Two channel configurations

6 module array (5.34 ohms per channel)

8 module array (4 ohms per channel)

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