Using The Balanced Line Inputs - Rockford Fosgate 500.2 Operation & Installation

Rockford corporation operation & installation manual car stereo amplifier
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U
B
SING THE
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.
Connecting the BLT
• Signal Input Switch to Balanced for Balanced 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.
L
ALANCED
INE
– L. SIG
+ L. SIG
L
R
L
(Mono)
Speaker
Balanced
Gain
Bass
Phase
+
L
Input
L
R
EQ
0 – 180
Balanced
Pass Thru
Pass Thru
Unbalanced
I
NPUT
+18V
–18V
– R. SIG
+ R. SIG
SHIELD
R
Gain
Speaker
R
+
EZ Bridged
180 - 0
– 19 –
®
®
BALANCED LINE TRANSMITTER
BALANCED LINE
INPUT
OUTPUT
LED
L
R

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