Diamond D300.2, D300.4 Connecting Speakers To Mono Block Amplifiers, Audio Input Connections

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8)Connect from source signal by connecting the RCA audio cables to the input jacks at the ampli- fier.

9)Connect the car speakers. Speakers should be 4 Ohms. If connecting one speaker per channel as shown in the diagrams (except where noted on D400.1, D600.1, D1000.1). Strip the speaker wires 1/2” (12.7mm) and insert into the speaker terminal block, then tighten the set screw to secure into place. Be sure to maintain proper speaker polarity. DO NOT chassis ground any of the speaker leads as unstable operation or damage to the amplifier and/or speaker may result.

Audio Input Connections

PASS THRU

FRONT

REAR

GAIN

 

BASS BOOST

FRONT

 

REAR

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MIN MAX

MIN MAX

0

12

0

12

50 230

LP HP

50 230

LP HP

 

 

 

FULL

FULL

 

 

 

FRONT

REAR

FRONT

 

REAR

CROSSOVER

 

CROSSOVER

 

 

 

 

 

 

 

 

 

 

FREQ Hz

 

FREQ Hz

 

INPUT

Source Unit Audio Cables Connected

to the RCA Inputs

Connecting Speakers To Mono Block Amplifiers

All Diamond mono block amplifiers come with two positive speaker terminals and two negative speaker terminals. This makes it easier to connect multiple woofers to one amplifier. Inside of the amplifier the two positive terminals are connected in parallel and the two negative terminals are connected in parallel. This means that if one 4 ohm woofer is connected to each terminal the amplifier will see this as a 2 ohm load.

4 ohms

4 ohms

Amplifier Sees 2 ohms

12

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Contents Amplifier Installation Manual All Diamond Amplifiers Feature D300.2 / D300.4 / D600.4 FeaturesD400.1 / D600.1/ D1000.1 Features D300.2 D300.44 Channel Models Connections and Controls Mono Models Connections and Controls Metal has a grommet Strapping Amplifiers D600.1, D1000.1 MasterPage Tools and Supplies Importance of Pre-PlanningWiring the Amplifier Mounting LocationsVehicle Electrical System Requirements Power Connections Connecting Speakers To Mono Block Amplifiers Audio Input ConnectionsConnecting Multiple Speakers FR Speaker FL Speaker Subwoofer RR Speaker RL SpeakerInstalling the Remote Level Controller Get Ready to ListenTroubleshooting Adjustment of Built-In Crossover All ModelsDiamond Warranty