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The Balanced Line Inputs can be utilized with the optional Balanced Line Transmitter. Unlike standard RCA cables that use
two wires to carry the audio signal and ground, balanced lines use three. In a balanced line, the output signal and its inverted
replica travel down a pair of wires where the ground connects via the shield. As the amplifier receives the signals, it cancels
out whatever signals are common to both wires. The use of balanced lines helps in preventing radiated noise pickup in the
signal cables and has been proven effective in studio installation where long cable runs and magnetic fields make
maintaining signal integrity difficult.
– 24 –
U
SING
THE
250.2 B
ALANCED
L
INE
I
NPUTS
• Signal Input Switch to
Balanced
for Balance Line Input
• Gain for Left and Right channels set to
minimum
CAUTION!! You must turn the gain controls to minimum when using the Balanced Line Transmitter. If the input gains
need to be adjusted, this can now be done in the Balanced Line Transmitter.
Connecting the BLT
BALANCED LINE TRANSMITTER
INPUT
L R
BALANCED LINE
OUTPUT
®
®
LED
L
(Mono)
180°- 0°
–18V
+18V
SHIELD
– L. SIG
+ L. SIG
– R. SIG
+ R. SIG
R
Gain
Pass Thru
R
Gain
Balanced
Input
L
L
Bass
EQ
EZ Bridged
Pass Thru
R
Speaker
+ L –
Speaker
– R +
Phase
0 – 180
°
Unbalanced
Balanced