Evolution Technologies EVO30 Setting Up Av Systems, Setting Loudspeaker Sizes, Setting Levels

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Evolution²

Setting Loudspeaker Sizes

SYSTEMS	Many digital AV Processors require you to specify the size of speakers in all channels.
	These are usually ‘Large or small’. Always set the Evo²-DFS and the Evo²-Centre to
	‘small’.
	IF YOU ARE USING A SUBWOOFER
	For the EVO²-8 and 10 when used as Front Speakers: Set these to ‘small’. The sub-
	woofer will now receive all the system bass signals.
	For the EVO²-30, 40 and 50: Set these to ‘large’. The subwoofer then will reproduce
	only the LFE and bass signals from the effects channels.
AV	The Evo²-20may be set to either ‘large’ or small depending on personel preference and
	the capacity of the subwoofer.
	If you are not using a subwoofer: Set the front speakers to ‘large’. Set the subwoofer
UP	option on the processor to ‘Off’ or ‘No’. The front channels will now receive all the
	system bass.
SETTING	Setting Levels
	to listen to, and may limit the subwoofer’s ability to respond to large bass transients.
	Once the loudspeaker settings have been finalised, put the AV amplifier into its “test”
	mode (see instructions supplied with your processor). Adjust the level of each channel
	in turn until all channels are reproduced at equal loudness.
	On some programme material the surround channel may seem lower than the front. Do
	not readjust this level. You may, however, need to adjust the subwoofer output level.
	Avoid setting too high a level or you will swamp the sound with bass. This can be tiring
	You should also set a sensible level going into the subwoofer from the AV processor.

Evolution²

Delay Settings

Many AV processors feature delay settings. The purpose of delay is to enable surround and dialogue information to arrive at the listener’s ears at the same time as the front channels, even when the listening seat is in a non-ideal position. On some processors, this can be achieved by setting the distance from the listening position to each speaker in turn, but other systems allow only a time delay setting.

Rear Delay: If the listening position is equidistant from the front and rear speakers, a low delay setting should be set. The closer the listener is to the rear speakers the high- er the delay setting used should be.

Centre Delay: If the centre speaker is level with (or slightly behind) the front speakers, set the delay to zero. If the centre speaker is forward of the front speakers, increase the delay.

LFE

In the cinema the low frequency effects channel is an extra bass channel with its own subwoofer and not a regular subwoofer channel. In domestic systems the LFE channel typically feeds into the subwoofer. Where no subwoofer is used, the LFE signal is com- bined with front channel information and sent to the front speakers. When you set the LFE level at your AV processor, use care as the powerful low frequencies can overload domestic loudspeakers.

If you hear popping or thumping noises coming from the front loudspeakers or sub- woofer, immediately turn the AV Processor’s volume level down and then lower the LFE level. This should cure the problem. If it does not, lower the volume level at the sub- woofer (if you are using one) until the problem disappears.

Please read the relevant sections of your AV amplifier manual and familiarise yourself with the various issues. If you are unsure, consult your dealer for help.

Phase

A home theatre system should have a precise front stage, a diffuse rear stage and good localisation of dialogue. If the colours on the loudspeaker terminals do not correspond with those on the amplifier, the sound will appear poorly focussed or ‘Out of phase’. For this reason it is essential that the speakers are connected accordingly to the wiring dia- grams in this manual.

SETTING UP AV SYSTEMS

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