Specifications

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10. Channel1speakerbindingpost:thisconnectoracceptsspeakercableaswellas4mmbananaplugs.
Remove the protective cover from the middle of the red/black binding post in case you want to use banana
plugs. For bridge mode applications, you MUST use the red binding posts only: channel 1 red plug is
bridge mode positive speaker connector.
11. Withthisswitch,youcanacivate/deactivatetheintegratedsubwooferltercircuitry.Standardcrossover
frequencyislowpassat100Hz.Thepositionmarked‘AP’hasbeenoptimizedforusewithoptionallyavailable
APart-audiopassivesubwoofers.
12. Modeswitch:enablestoswitchtonormal2channelstereooperation,2channelmixed(mono)operationor
singlechannelbridgemode.Incaseofbridgemode,onlythechannel1volumecontrolisused.Thisisindicated
by the bridge led on the front panel.
13. Channel2unbalancedinputoncinchconnectors:usethetoporbottomcinchconnectortoapplyan
unbalancedsignalonchannel2.Theseconnectorsarewiredinparallel,thismeansyoucanusethesecond
connector as a signal link connector.
14. Channel1unbalancedinputoncinchconnectors:usethetoporbottomcinchconnectortoapplyan
unbalancedsignalonchannel1.Theseconnectorsarewiredinparallel,thismeansyoucanusethesecond
connectorasasignallinkconnector.Incaseofbridgeoperationofchannel1and2,usethisconnectorand
leavechannel2inputunused.
What is bridge mode ?
In bridge mode, you can unite the power of 2 small ampliers into 1 giant amp.
The resulting power usually is more than double the power of both ampliers used
individually with the same load. There is a simple reason for this power boost:
because the speaker load is wired to the channel’s positive (hot) connectors, the
ampliers ‘feel’ half of the actual speaker’s impedance. This means that, despite
the fact that you connect for example an 8 ohm speaker, the amp thinks there is a 4
ohm load, resulting in higher power output per amplier, and since both ampliers
work in bridge mode, this increased power is doubled. As a result, the minimum load
impedance in bridge mode is limited to 8 ohms, because every amplier only ‘feels’
half of this impedance. Set the speaker impedance selector of channel 1 to the 4-8
ohms position for 8 ohms(or higher) loads in bridge mode.