d&b audiotechnik 40D, Reference Manual

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Startup
5.2.3 SPEAKER OUTPUTS
WARNING!
Potential risk of electric shock or fire.
Risk of electric shock
The amplifier output pins can carry dangerous voltages.
▪ Only use isolated loudspeaker cables with correctly fitted
connectors.
▪ Never connect an amplifier output pin to any other input or
output connector pin or protective earth (ground).
▪ Bridge mode is not applicable.
Risk of fire
To avoid any heating of the output connector terminal (glowing
contact), the wires need to be properly fitted to the output
connector terminal.
▪ Only use the enclosed Phoenix Euroblock connector terminals
[3].
▪ Observe the maximum cross-section of 6 mm
2
(AWG 10).
▪ Ensure all contact screws are properly tightened.
Recommended torque settings (min/max): 0.7/0.8 N
×
m.
▪ Ensure the fixing screws of the connector terminal are properly
fitted to the output connector socket of the device.
The amplifier is equipped with two Phoenix Euroblock connector
sockets (female), one for each pair of amplifier output channels
(A/B, C/D).
All pins of both output connectors are hardwired and permanently
driven using the following pin assignment.
SPEAKER OUTPUTS A (B, C, D)
+ = Amp A (B, C, D) pos.
— = Amp A (B, C, D) neg.
d&b 40D Reference manual 1.3 en 16