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Stereo Amplifier
Rockford Fosgate
400x4
operation manual
Models:
400x4
1
43
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Troubleshooting
Specs
Using the Signal Input Switch
Xcard Configurations
Battery and Charging
Phase Switch set to
What is
Power Connections
Technical Design Features
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N
OTES
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Contents
Channel Amplifier Installation & Operation Manual
Page
Practice Safe Sound
T T I N G S T a R T E D
PU N C H 4-CHANNEL AM P L I F I E R AC C E S S O R Y PA C K
T R O D U C T I O N
RO C K F O R D FO S G AT E AC C E S S O R I E S
Energy Storage Capacitor
Transana TRANSconductance Active Nodal Amplifier
Technical Design Features
XCard Internal Crossover
Mosfet Devices
Pass-Thru Output
Design Features
Amplifier
S TA L L AT I O N CO N S I D E R AT I O N S
Mounting Location
R I N G T H E S Y S T E M
Battery and Charging
Page
Page
I N G T H E Xcard
Configure a 12dB/octave filter for the Front channels
Xcard Configurations
Configure a 12dB/octave filter for the Rear channels
Configure a 24dB/octave filter for the Rear channels
Configure a 12dB/octave filter for the Pass-Thru
Channel Input
Using the Signal Input Switch
RCAs connected to Front & Rear inputs
BA S I C CO N N E C T I O N S
Power Connections
Channel Stereo Operation
Phase Switch set to
Channel Mono Operation
Channel Operation
Input
Channel Stereo/Single Mono Operation
Channel Stereo/Dual Mono Operation
Watt 3-Way System
SY S T E M DI a G R a M S
Watt 4-Way System
RFA-414 2X-4
Pass-Thru RFA-414 2X-4
Amplifier has no
Troubleshooting
Amplifier does not
Turn on
Rear Channels
Speaker Output
Low or Distorted
No Output on
Engine Noise
Listening to Loudspeakers Not Resistors
About the Dynamic Power Measurements
N a M I C P O W E R M E a S U R E M E N T S
Music
Information Cubed
What is an Amplifier?
Watts
400X4 Specification S
R R a N T Y I N F O R M a T I O N
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