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Sonance 93378 Sonamp DSP 2-150 MKII Amplifier

User Manual - Page 8

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7
Bridging Channels DSP 2-150 MKII
Figure13:VolumeLevelControl
Figure11:BridgingChannels
Volume Level Control
Volume can be controlled from the individual recessed volume level
control screws, located on the front panel and from SonARC (see
Figure 13). These volume controls balance the desired sound levels
perchannel.Volumecanbecontrolledthreedierentwayswith
SonARC v2 (see Figure 14).
1. Output volume 2. Turn on volume 3. Maximum volume
Output volume ranges between -70 to 12. The volume level
controlsaresetat+12bydefault.
Source Connections DSP 2-150 MKII
On the left side of the rear panel are the audio inputs for the left
and right channels. In addition to the left and right inputs there are
also loop outputs for each channel. The loop outputs allow multiple
amplierstosharecommonaudiosources.Theloopoutputson
theampliersarenotbuered.Thenumberofampliersthatcan
be connected in series will depend on the output level of your audio
source.ThesourceconnectedtotheLEFTandRIGHTLINEIN
InputspassthroughtheLEFTandRIGHTLINEOutputs
(see Figure 12).
LEVEL LEVEL
B
RIDGE
OFF ON
MONOSTEREO
12-50
S/N
VOLTAGE TRIGGER
IN OUT
AUTO ON
OFF
IN
O
UT
IN
OUT
1-LEFT 1-RIGHT
LEVEL LEVEL
B
RIDGE
OFF ON
MONOSTEREO
LEVEL LEVEL
B
RIDGE
OFF ON
MONOSTEREO
LEVEL LEVEL
B
RIDGE
OFF ON
MONOSTEREO
LEVEL LEVEL
B
RIDGE
OFF ON
MONOSTEREO
LEVEL LEVEL
B
RIDGE
OFF ON
MONOSTEREO
2-LEFT 2-RIGHT 3-LEFT 3-RIGHT 4-LEFT 4-RIGHT 5-LEFT 5-RIGHT 6-LEFT 6-RIGHT
LOCAL
B
USS A
B
USS B
LOCAL
B
USS A
B
USS B
LOCAL
B
USS A
B
USS B
LOCAL
B
USS A
B
USS B
LOCAL
B
USS A
B
USS B
LOCAL
B
USS A
B
USS B
CAUTION
RISK OF ELECTRIC SHOCK
D
O NOT OPEN
AVIS
RISQUE DE CHOC ELECTRIQUE
NE P
AS OUVRIR
LEFT RIGHT LEFT RIGHT
BUSS INPUT A BUSS INPUT B
1 - LEFT
1 - RIGHT
BRIDGE
8 Ω MIN
CLASS 2 WIRING
T10AL / 250VAC
CAUTION
R
EPLACE FUSE ONLY WITH
SAME TYPE AND RATING
ATTENTION
REMPLACER UNIQUEMENT AVEC LE
M
EME TYPE ET CALIBRE DU FUSIBLE
2 - LEFT
2 - RIGHT
BRIDGE
CLASS 2 WIRING
3 - LEFT
3 - RIGHT
BRIDGE
CLASS 2 WIRING
5 - LEFT
5 - RIGHT
BRIDGE
CLASS 2 WIRING
6 - LEFT
6 - RIGHT
BRIDGE
CLASS 2 WIRING
4 - LEFT
4 - RIGHT
BRIDGE
CLASS 2 WIRING
VOLTAGE
AUDIO
3-30 VOLTS
AC or DC
8 Ω MIN 8 Ω MIN 8 Ω MIN 8 Ω MIN 8 Ω MIN
156 watts
AC 100-120V ~ 60Hz
AC 220-240V ~ 50Hz
Figure14:SonARCPageIn/OutSettingsOutputVolume
Speaker Connections
For the best sound you should use
premium speaker wire that complies
withreratingcodes.Besureto
check local codes governing wire
that may be installed within walls or
ceilings.Sonampampliersare
stable with any reputable brand of
speaker wire or cable. The Sonamp
ampliersusespeakerblock
connectors that can accommodate
up to 12 gauge wire (see Figure 9).
NOTE: ALWAYS CHECK LOCAL BUILDING CODES BEFORE INSTALLING
WIRE IN WALLS OR CEILINGS.
Figure 9
Speaker Connections

Bridging channels is accomplished using the SonARC v2 software.
OnthesecondpageinthesoftwareunderIN/OUTSettings,goto
the output setup area to bridge mode and make your selections
with the drop down buttons.
1.Usetheleftaudioinputwhenoperatingtheampliersoutputin
bridge mode (see Figure 10).
2.SelectONinthebridgemode(seegure10).
3.Connectthespeaker’s“+”leadtotheleftsideoftheconnector
marked“+”(seeFigure11).
4.Connectthespeaker’s“–”leadtotherightsideoftheconnector
marked“+”(seeFigure11).
5. Connect the line level audio input to the LEFT channel input on
theamplier.
IMPORTANT: THE MINIMUM SPEAKER IMPEDANCE FOR BRIDGED
OPERATION IS 8 OHMS. DO NOT OPERATE A ZONE IN THE BRIDGED MODE
INTO A SPEAKER THAT IS LESS THAN 8 OHMS NOMINAL IMPEDANCE.
Figure10:BridgingChannels
Figure12:SonampDSP2-150MKII
LeftandRightLineInputs/Outputs
IMPORTANT: USE CAUTION WHEN SETTING VOLUME LEVELS EITHER ON
THE AMPLIFIER OR AN AUDIO SWITCHER AS NOT TO OVERDRIVE AND
POSSIBLY DAMAGE SPEAKERS. VERIFY ALL SOURCES AS OUTPUT
VOLTAGE VARIES FROM DEVICE TO DEVICE.
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