Használati útmutató JBL Power P-4020

JBL Vevő Power P-4020

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Letöltés PDF
Oldal 1/8
Power Series Amplifiers
P-4020, P-4040 Owner’s Manual
GE N UI NE JB L
2
Amplifier Features
• 4-, 3- or 2-channel operation (P-4040)
2- or 1-channel operation (P-4020)
• Simultaneous stereo and mono
operation
• Built-in 12dB/oct electronic crossover
• Balanced differential input
• Pre-amp outputs (filtered on P-4040)
• Oversized Floating Rail Mosfet Power
Supply
• Universal Interface
• Common Sense turn-on
• Variable input sensitivity (250mV–4V)
• Fully complementary, direct coupled
discrete power amplifier circuitry
• Gold-plated power, input and output
connectors
• 2-Ohm stable (stereo)
• JBL badge lights when amp is operat-
ing and flashes when protection circuit
is activated
• Made in USA
About This Manual
To attain maximum amplifier perfor-
mance, we encourage you to read the
remaining pages before installing and
operating your new JBL Power Series
amplifier. Especially review the
Applications section for ideas on design-
ing and expanding your system. Also,
save these instructions for future refer-
ence. Installation of automo-Important:
tive stereo components can require
extensive experience in performing a
variety of electrical and mechanical pro-
cedures. Although these instructions
explain how to install a JBL Power Series
amplifier in a general sense, they do not
show the exact installation methods for
your particular vehicle. If you do not
have the experience necessary, do not
attempt the installation yourself; instead
ask your Authorized JBL Car-Audio Dealer
about professional installation options.
Installation Precautions and Notes
• The JBL P-4020 (or P-4040) has five
levels of circuit protection that monitor
the amplifier and will shut it down if
the electrical system voltage drops
below 5Vdc or exceeds 18Vdc, temper-
atures are above 194° F (90° C), short
circuits occur, or current draw exceeds
product specifications. For best perfor-
mance, check the intended mounting
site to make sure the operating envi-
ronment does not create conditions
that will trigger the protection circuit.
• Prior to installation, turn off all audio
systems and other electrical devices.
Also disconnect the (–) negative lead
from the vehicle’s battery.
• At the installation site, locate and make
a note of all fuel lines, hydraulic brake
lines and electrical wiring. Use extreme
caution when cutting or drilling in and
around these areas.
• Check clearances on both sides of a
planned mounting surface before
drilling any holes or installing any
screws. Remember that mounting
screws can extend behind the mount-
ing surface.
Thank you for purchasing your new
JBL Power Series™ amplifier. Power
Series amplifiers feature the latest
advances in discrete-circuit topology,
ensuring low distortion and superbly
clean and clear sound quality. In addition
to RCA-type pre-amp inputs, Power
Series amplifiers feature Universal
Interface™, designed to facilitate integra-
tion with factory-installed audio systems
for distortion-free performance that rivals
conventional pre-amp connections.
Included in the Universal Interface circuit
is Common Sense™ turn-on. Common
Sense turn-on senses the common-mode
voltage present on the speaker outputs of
factory and aftermarket radios, turning on
the amplifier without a separate remote
wire. All Power Series amplifiers feature
built-in electronic crossovers and pre-amp
outputs for easy system expansion with-
out requiring outboard processors.
3
• Always wear protective eyewear when
using tools.
• When routing cables, keep input signal
cables away from power cables and
speaker wires.
• When making connections, make sure
that each connection is clean, insulated
and properly secured. Observe the
polarity markings on the rear panel.
Refer to the application drawings to set
up the amplifier for operation in stereo,
bridged-mono, bi-amp or tri-mode con-
figurations.
• If the amplifier’s fuse must be replaced,
use only the same rating and type as a
replacement. Do not substitute another
kind.
Controls and Connectors
1. Pre-amp Level Input Connector –
Connects to line-level output from the
source unit.
2. Universal Interface Speaker-Level
Connector – Connects to speaker-level
output from the source unit. Provides
Common Sense amplifier turn-on
when used with factory radios
(2-channel on P-4020, 4-channel on
P-4040).
3. Pre-amp Level Output Connector –
Connects to other amps or processors
in the signal chain (flat on P-4020, flat
or filtered on P-4040).
4. Speaker-Output Connector – (2-chan-
nel on P-4020, 4-channel on P-4040).
5. Fuses – P-4020: 20A ATC type, P-4040:
30A ATC type.
6. Power Connector – Connection for
12V +, Gnd and Rem.
7. Input-Mode Switch – Sums left and
right inputs.
8. Input-Sensitivity Control – Adjusts
input sensitivity for pre-amp level and
speaker-level inputs.
9. Pre-amp Output Selector Switch –
Selects input path for pre-amp output.
Output can be summed from front and
rear inputs with no filter, or filtered by
the front or rear crossover.
10. Rear-Channel Input Selector – Selects
rear-channel input between front input
and rear input.
11. Crossover Selector – Determines
whether the crossover is a High-Pass
filter (HP), a Low-Pass filter (LP) or
unfiltered (Flat).
LEVEL
INPUT MODE
MO ST
4V .250V
XOVER
FLATHPLP
2V
2 0
– R +– L + +B ATT REM GND
BRIDG E
SPEAKER OUTPUTS
POWER
FUSE
20A
MADE IN T HE U.S.A.
R
L
LINE LEVEL
INPUT SPEAKER LEVEL IN
R
+
–
L
+
–
AUX
OUT
R
L
+ R –
+ R –
– L +
– L +
AUX
OUT
R
L
R
L
FRONT
ONT
REAR
LINE LEVEL
INPUT
SPKR LEVEL IN
REAR
ST MO
INPUT MODE
PRE OUT
LEVEL
INPUT MODE
MO ST
4V .250V
FRONT
F+R
FLAT
REAR
LP
FRT
LP
FRT REAR
XOVER
FLAT HP LP
XOVER
FLATHPLP
LE EL
4V .250V
2V2V REAR
IN UT
F U S E
30A
I D G E
– R +– + L
MADE IN T HE U.S.A.
+BAT T REM GND
BRIDG E
SPEAKER OUTPUTS
POWER
FRONT
REAR
30
8
7
11
5
46
1 2 312 3
910
8
711
8
11
456
P-4020 P-4040
7

Termékspecifikációk

Márka: JBL
Kategória: Vevő
Modell: Power P-4020

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