Madrigal Imaging Dual Monaural Power Amplifier manual XLR female Line-mount Rear view

Figure 10: Balanced bridging cable

1	2
XLR female
line-mount	3
(rear view)

pair	Signal ground
	(shield)
Twisted
	Left-channel
	XLR male				Right-channel
	line-mount
	2 1 (rear view)	Signal ground (shield)			XLR male
					line-mount
	3		2	1	(rear view)
		Twisted pair		3

2.Connect the bridging cable's male XLR-type connectors to the Nº29's left- and right-channel XLR-type input connectors, taking care to insert the correct cable end into its designated channel.

3.Connect the left-channel + (positive or red) output post of the Nº29 to the + (positive or red) input terminal of the appropriate loudspeaker. Connect the right-channel + (positive or red) output post of the Nº29 to the – (negative or black) input terminal of the same loudspeaker.

4.Repeat this procedure for the other Nº29 to be bridged.

If your preamplifier provides only single-ended output, follow the steps below.

Figure 11: Connections for single-ended bridged operation

	Nº29
+ –		– +
	Bridging
	cable
PUSH	Left	PUSH
	channel

– +

Loudspeaker

From preamplifier

main output

1.Connect the appropriate channel of your preamplifier's single- ended main output to the left-channel RCA-type input on the rear panel of the Nº29.

10