Genelec 5041A - Setting the Input Sensitivity; Setting the Phase Control

Figure6:ConnectorlayoutonthebackpaneloftheRAM3amplifier
Figure7:RAM3frontpanellayout
Figure8:DimensionsoftheRAM3amplifier
Sufcientcoolingfortheampliermustbe
arranged at all times. As a general rule, the
ambient temperature around the amplifier
mustnotexceed35degreesCelsius(95°F).
The ventilation openings on the amplifier
boxmustnotbeblockedandafreespaceof
1 U (=1.75"or45mm)mustbeleftabove
theamplierwheninstalled.Thisspacemust
besufcientlyventilatedtomaintainthetem-
peraturebelowthemaximumlevel.
IftheRAM3amplierisplacedonashelf
or other solid surface, the metal support
providedwiththeampliermustbeattached
tothelowerpartoftheamplierfrontpanel
with an M4 screw. This improves the stability
oftheamplierandprovidessufcientclear-
anceforaircirculationbelowtheamplier.
Rack Mounting the RAM3
Amplifier
WerecommendusingtheGenelecRM2rack
mount adapter when installing the RAM3
amplierin anequipmentrack.Makesure
that the space above and below the RAM3 is
uncluttered and there is a space of 100 mm
(4”)ormorebehindtheamplier.Thespace
behindtheampliermustbewellventilated.
If the temperature inside the rack is likely to
riseclosetothemaximumambienttempera-
tureof35°C(95°F),werecommendinstall-
ing ventilation fans to ensure that the thermal
protection is not activated prematurely.
AttachtheRAM3totheRM2rackmount
with two M4 screws provided with the rack
mount kit.
Setting the Input Sensitivity
The input sensitivity control is located on the
frontpaneloftheRAM3amplier.Usethis
control to adjust the playback level of the
subwoofer.
SettingtheBassRoll-Off
switches
The acoustic response of the subwoofer may
have to be matched to the characteristics
of the room and its position in the room. To
adjust the subwoofer to match these charac-
teristicsusethe"BASSROLL-OFF"control
switcheslocatedontheamplierfrontpanel.
WhenallRoll-Offswitchesare"OFF",aat
anechoic response is obtained.
Setting the phase control
The effect of incorrect phase align-
ment between the main loudspeakers
and subwoofer is a drop in the frequency
response of the whole system at the main
loudspeaker / subwoofer crossover fre-
quency. The phase difference between the
main loudspeakers and subwoofer at the lis-