E Series – E475 Operating Instructions
Page 15
Operating Your Amplifier: Rear Panel Sockets and Switches
1: Channel A output Speakon socket: Normal output is on pins 1+ hot, 1- cold. Channel B’s
output is also wired to this socket to enable a single NL4 to provide both channels and to
facilitate easier wiring in bridged mode. Channel B is wired pins 2+ hot, 2- cold.
Similarly channel C’s output Speakon socket carries Channel D’s output. Check the table on
the rear panel for details.
2: Link switch: Press this switch to link the input of the channel to its immediate left.
Multiple channels may be linked using these switches so, for example, to link all outputs to
input A, press all three switches IN and use input A only. The front panel attenuators will still
operate independently when channels are linked.
3: PRC switches: Each channel of the amplifier may be power limited independently using
these pairs of switches in two stages, offering 3B of Power Reduction Control.
The settings for these switches are on the rear panel for quick reference.
4: Input XLR sockets: Connect signal inputs to these sockets, wired pin 2 hot, 3 cold, 1
ground. For sensitivity and impedance of these inputs, please see the specifications on page
NN.
5: Fan outlet: The variable speed fans suck air in through the front vents and out through the
back of the amplifier. Please see maintenance on page NN for recommendations on how to
clean this and the front foam sections.
SERIAL NO.
1: GND
2: Sig+
3: Sig-
WARNINGS
All vents on front
and rear of unit
must not be
obstructed.
SHOCK
HAZARD
Do not remove
covers.
To reduce the risk
of fire or electric
shock, do not
expose this
apparatus to
rain or moisture.
This unit must be
earthed.
DESIGNED AND
MANUFACTURED
IN ENGLAND BY
MC
2
E-SERIES
AMPLIFICATION
CHANNEL D
OUT
Class 2 Wiring
on Outputs
Outputs A&C
Outputs B&D
1+: A [C] HOT
1-: A [C] COLD
2+: B [D] HOT
2-: B [D] COLD
1+: B [D] HOT
1-: B [D] COLD
C&D
0dB
-3dB
P.R.C.
A&B
CHANNEL C
OUT
CHANNEL B
OUT
CHANNEL A
OUT
LINK
C&D
LINK
B&C
LINK
A&B
P.R.C.
Power
Reduction
Control
1
2
3
4
5
0dB
-3dB
P.R.C.
Power
Reduction
Control
