DLS MRA31 How To Install And Operate - Page 6
Browse online or download pdf How To Install And Operate for Amplifier DLS MRA31. DLS MRA31 12 pages. Marine audio amplifiers
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Speaker wiring MRA 22
Two fullrange speakers to MRA22
Filter settings
HPF
50Hz 220Hz
15Hz 500Hz
Off On
With the HPF-filter in OFF position the amplifier
allows the speakers to play fullrange. If you for
some reason want to limit the low bass
reproduction switch on the HPF-filter.
The typical setting is then 60 – 80 Hz.
LPF
80Hz 200Hz
50Hz 500Hz
Off On
The LPF-filter should be OFF.
6
One subwoofer connected in bridge mode to
MRA22
NOTE!
4 ohm minimum load when using bridge mode
connection. Lower impedances may damage the
amplifier. In bridge mode the amplifier sees a 4
ohm load as 2 ohm.
Filter settings
HPF
50Hz 220Hz
15Hz 500Hz
Off On
The HPF filter is here used as subsonic filter to take
away the very deepest frequencies. The typical set-
ting is around 25 – 40 Hz.
LPF
80Hz 200Hz
50Hz 500Hz
Off On
The LPF will allow low frequencies only and blocks
higher frequencies. A typical setting is 70 – 90 Hz.
MRA22