PROCEED AMP 5 Specifications download pdf (Page 18)

The “normal” leg of the Madrigal Balanced Bridging Input Adapter will be

marked with a red stripe to indicate positive polarity, and the inverted leg will

be marked with a black stripe to indicate inverted polarity (corresponding to

the red and black terminals of your loudspeaker).

The Balanced Bridging Output Adapter is simply a heavy-gauge copper bar

(silver- and gold-plated) used to strap two of the output ground terminals to-

gether. This establishs a common reference for the amplifier and completes

the circuit that includes the loudspeakers.

Important! Do not attempt to operate your amplifier in a bridged mode

without first strapping the black output terminals together.

Failure to establish a common ground reference between

the two channels can damage your amplifier by forcing

significant currents to flow where they do not belong!

To bridge your Proceed amplifier using a balanced input signal, follow these

steps:

1 DISCONNECT YOUR AMPLIFIER FROM EVERYTHING

Start with your amplifier totally disconnected from inputs, outputs, and AC

power. It is always best to power down an amplifier before changing con-

nections; here you are also changing its basic configuration, making it

essential.

2 CONNECT THE BALANCED BRIDGING INPUT ADAPTER TO THE AMP’S

INPUTS

Connect the two male XLRs to the inputs of your amplifier, noting which

XLR is marked red and which is black. The channel with the red, normal

input will later be connected to the red, positive terminal of your loud-

speaker. Don’t forget to choose the balanced input on each channel using

the switch located between the XLR and the RCA connectors.

Balanced Bridged

Input Connection

mains fuse

100-120VAC:

8A 3AG fast acting

200-240VAC:

4A 3AG fast acting

PUSH

channel 1 (right)

when viewed from the front

PUSH

channel 2 (left)

when viewed from the front

Madrigal Balanced Bridging Input Adapter

from preamplifier

loudspeaker terminals

Madrigal Bridging Output Adapter

inverting

non-inverting

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PROCEED AMP 5 Specifications Page 18

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