Madrigal Imaging Mark Levinson No. 29, Dual Monaural Power Amplifier manual Left-channel

Page 16

Figure 12: Single-ended bridging cable

2.Connect the bridging cable between the left- and right-channel XLR-type input connectors, taking care to insert the correct cable end into its designated channel. You may fabricate such a cable according to Figure 12; it's also available through your Mark Levinson dealer as part of a single-ended bridging kit.

Note: If fabricating the bridging cable, be sure to use high- quality audio interconnect cable (such as Madrigal HPC).

22-guage buss wire

Left-channel

2 1

Signal ground (shield)

 

 

XLR male

 

 

 

 

line-mount

3

2

1

Right-channel

(rear view)

 

 

 

 

 

 

XLR male

 

 

3

 

line-mount

 

 

 

 

(rear view)

Signal hot (center conductor)

22-guage buss wire

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.

11

Image 16
Contents Operating Manual Risk of Electric Shock Do not Open Important safety instructions Page Table of contents Unpacking and placement Voltage selection Voltage indicationSignal connections Connections for single-ended normal non-inverting operationFemale input connector Connections for balanced normal non-inverting operation Speaker connections Spade and hook lugs12.7mm Tin Speaker cable Power connection Bridged operation XLR female Line-mount Rear view Left-channel Care and maintenance Specifications Dimensions TYPMadrigal Audio Laboratories