Diamond D400.1 User Manual download pdf (Page 12)

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

er.

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 amplier and/or speaker may result.

Source Unit Audio Cables Connected

to the RCA Inputs

REAR

INPUT

230

CROSSOVER

FREQ Hz

FULL

PASS THRU

FRONT

REAR

GAIN

MIN

MAX

MIN

MAX

FRONT

REAR

FRONT

230

CROSSOVER

FREQ Hz

FULL

REAR

FRONT

BASS BOOST

Audio Input Connections

Connecting Speakers To Mono Block Ampliﬁers

All Diamond mono block ampliers come with two positive speaker terminals and two negative speaker

terminals. This makes it easier to connect multiple woofers to one amplier. Inside of the amplier

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 amplier will see

this as a 2 ohm load.

Amplier Sees 2 ohms

4 ohms

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Diamond D400.1 User Manual Page 12