AUSTRALIAN MONITOR AM1200 Specifications download pdf (Page 12)

connector for speaker output, use only the mating

NEUTRIK NL4FC in-line connector. This connector is

designed so that both channels can be sourced from

a single connector.

Four SPEAKON connectors are provided on the

amplifier. The Channel-A SPEAKON carries both

speaker output signals for Channel-A & Channel-B

outputs. The Channel-D SPEAKON carries both

speaker output signals for Channel-D & Channel-C

outputs.

(see Figure 5: Speakon Connector Wiring Diagrams).

The Channel-B and Channel-C SPEAKON carry only

their own output.

This arrangement allows you the option of connecting

to the outputs separately or together. Connecting

through a single connector has the advantage of

minimising connections, preserving phasing and

simplified channel allocation, which is particularly

important when bi-amping or in bridge mode.

IMPORTANT

Do not overload your amplifier by connecting the

Channel-B or Channel-C output twice!

Channel-A or D is used as the “dominant” channel and

when sourcing a dual output from Channel-A or D the

following standard should be used:

Channel-A or D = Left or Low Frequencies.

Channel B or C = Right or High Frequencies.

When in bridge mode:

Pin 1+ = Bridge Output Positive

Pin 2+ = Bridge Output Negative.

NOTE: In-line XLR connectors often have a termination

lug that connects directly to the chassis of the connector.

Do not link this lug to pin 1 at the amplifier’s input as

it will defeat the amplifier’s input grounding scheme.

This lug is often referred to as a "drain” and is used to

provide a termination to the chassis for shielding

purposes when a floating signal ground is required

between the source and destination, or when

disconnecting the signal ground is required to reduce

earth loop noise, or noise induced into signal grounds

from stray magnetic fields.

Output Wiring

When wiring to your speakers always use the largest

gauge wire your connector will accept. The longer the

speaker lead the greater the losses will be, resulting in

reduced power and less damping at the load. We

recommend using a heavy duty two core flex (four core

flex if bi-amping) 10 to 12 gauge (2mm

to 2.5mm

50/0.25 or equivalent) as a minimum.

Binding Post Outputs

When terminating to the 4 mm binding post (banana

jack) output connectors, banana plugs or bare wires

can be used. The red terminal is positive and the black

terminal is negative (ground).

If running in BRIDGE mode, only the red binding

posts are used. Channels A or D provide the positive

output to the load and channel B or C provide the

negative output to the load.

SPEAKON Outputs

When using the NEUTRIK SPEAKON (NL4MP)

12 Installation

SINGLE CONNECTION BRIDGED CONNECTION

DUAL CONNECTION

Figure 5. "Speakon" Connector Wiring Diagram

BI-AMP CONNECTION

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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AUSTRALIAN MONITOR AM1200 Specifications Page 12

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