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Stereo Amplifier
Rockford Fosgate
40X2 manual
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Contents
Main
PRACTICE SAFE SOUND
TABLE OF CONTENTS
G ETTING S
Installation Section
I
PUNCH AMPLIFIER ACCESSORY PACK
T ECHNICAL D ESIGN F
TRANSANA
TOPAZ
nova
TRANSANA
DSM (Discrete Surface Mount) Technology
DSM
XCard
Figure 1
XCard (Internal Crossover)
MOSFET Devices
power supply
NOMAD
analog computer process
MOSFET
D ESIGN F
Page
I
M OUNTING L
Trunk Mounting
never
not
Passenger Compartment Mounting
B
WIRING THE SYSTEM
Page
DO NOT chassis ground any of the speaker leads as unstable operation may result.
USING THE XCARD
RESISTOR CHART
13
Butterworth Alignment Q = .707
14
I
Power Connections
*Keep grounds as short as possible
15
Stereo Operation
XCard can be set for High-Pass, Low-Pass or Full Range
Impedance for each channel should be
both left and right
both left and right
set equally
minimum
17
Stereo/Mono Operation
+
2 min. 2 min.
RCA inputs are connected to both
SYSTEM DIAGRAMS
2-Way System
19
3-Way System
20
4-Way System
4-Way System w/Fadable Rear Stage
21
PCH-142X PCH-14X
PCH-54
PCH-142X PCH-14X PCH-54
R OCKFORD F
Punch Status Display (FG-PSD)
Energy Storage Capacitors
Punch Link (FG-LINK)
XCard Crossovers
FULL
26
T
27
28
DYNAMIC POWER MEASUREMENTS
unusable
actual usable output power
Phase Angle
{
{
S
31
32
W ARRANTY I
33
Page
Montaje en el Malatero
Montaje en el Compartimento de Pasajeros
UBICACIN PARA EL MONTAJE
I
canales izquierdo y derecho.
ajustarse igual
.
E
I
Montage dans le coffre
Montage dans l'habitacle
M
NE connecter AUCUN des cbles HP la masse au risque d'un fonctionnement instable
F
Im Fahrzeugkofferraum
Auf der Beifahrerseite
E
rechten- und linken-Kanales anschlie
en
minimum 2 Ohm betragen.
minimum 4 Ohm betragen.
D
I
Nel Bagagliaio
Nell'abitacolo
DOVE POSIZIONARLO
I
Page
Page
MADE IN THE USA
Rockford Fosgate