Mb-quart Reference Amplifiers User Manual download pdf (Page 6)

2-Channel Amplifiers

RA320.2 / RA400.2

2 Channel Full Range Stereo:

Interconnect cable checklist:

- Connect the inputs of the amplifier to a Radio/CD with

quality RCA cables.

Switch setting checklist:

- 1/2CH X-OVER: FULL

MODE: “STEREO” since channels are being run

independently.

Control checklist:

- Refer to the section “Settings for Best Performance”

Minimum final loudspeaker impedances:

- 2 ohm per channel.

MONO:

Here we show how to use the 2 channel amplifiers as a 1

channel unit by taking advantage of the mono bridging

capability of all MB Quart amplifiers.

Interconnect cable checklist:

- Connect the inputs of channel pair 1/2 to a suitable signal

source, e.g. a head unit with good quality RCA cables.

- A MONO signal source is suggested, such as would be

available from the mono sub bass output of an active

crossover, whether standalone, or built into a head unit or

equalizer.

Important: Do not be tempted to connect the hot, or

positive outputs, from any source together to obtain a mono

signal, as this could very well damage the output stage of

that source.

- It is suggested to feed the SAME signal to both left and

right inputs via a Y-adapter RCA cable.

- Connect the mono speaker positive terminal to the LEFT

+, and its negative terminal to RIGHT - as shown.

Switch setting checklist:

- 1/2CH X-OVER: LPF

MODE: MONO

Control checklist:

- Refer to the section “Settings for Best Performance”

Minimum final loudspeaker impedances:

- 4-Ohms mono bridged

FULL RANGE

SPEAKERS

FULL RANGE

STEREO LINE

INPUTS

CHASSIS GROUND

REMOTE TURN-ON

TO BATTERY +12V

VIA FUSE

SUBWOOFER

MONO LINE

INPUT

CHASSIS GROUND

REMOTE TURN-ON

TO BATTERY +12V

VIA FUSE

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Mb-quart Reference Amplifiers User Manual Page 6

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