JBL DA1002, DA6502, DA3504, DA4002 User Manual

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D E C A D E

A M P L I F I E R S D A 4 0 0 2 , D A 6 5 0 2 , D A 3 5 0 4 , D A 1 0 0 2

GENUINE JBL

Thank you for purchasing your new JBL DecadeSeries power amplifier. Decade Series power 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, Decade Series amplifiers feature Floating Ground Factory-Head-Unit Interface, designed to facilitate integration with fac- tory-installed audio systems for distor- tion-free performance. All JBL Decade Series power amplifiers feature built-in electronic crossovers for easy system expansion without additional outboard processors.

Amplifier Features

4-, 3- or 2-channel operation (DA3504) 2- or 1-channel operation (DA4002, DA6502, DA1002)

Simultaneous stereo and mono operation

Built-in 12dB/oct electronic crossover

Oversized Floating Rail Mosfet Power Supply

Floating Ground Factory-Head-Unit Speaker-Level Input

Variable input sensitivity (250mV-4V)

Fully complementary output stage with Class-A voltage amplification

Gold-plated power, input and output connectors

2-Ohm stable (stereo)

Power-on indicator badge

About This Manual

To attain maximum amplifier performance, we encourage you to read the remaining pages before installing and operating your new JBL Decade power amplifier. Especially review the Applications section for ideas on designing and expanding your system. Also, save these instructions for future reference.

Important: Installation of automotive stereo components can require extensive experience in performing a variety of electrical and mechanical procedures. Although these instructions explain how to install a JBL Decade power amplifier in a general sense, they do not show the exact installation methods for your particular vehicle. If you do not have the experience, do not attempt the installation yourself; instead ask your Authorized JBL Car-Audio Dealer about professional installation options.

Installation Precautions and Notes

The JBL Decade Power amplifiers have 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, temperatures are above 194° F (90° C), short circuits occur or current draw exceeds product specifications. For best performance, check the intended mounting site to make sure the operating environment does not create conditions that will trigger circuit protection.

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 mounting surface.

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 configurations.

If the amplifier’s fuse must be replaced, use only the same rating and type as a replacement. Do not substitute another kind.

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JBL DA1002, DA6502, DA3504, DA4002 User Manual

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2

SPEAKER INPUT

LINE INPUT

INPUT

BASS EQ

CROSSOVER

L +

R +

 

LEVEL

 

 

 

 

 

 

L

R

R

 

 

 

 

 

 

 

OFF +6dB

LPF FLAT HPF

 

 

1

 

10

 

L

5

3

BRIDGED +

REM GND() BATT(+)

FUSE

 

+ LEFT

RIGHT +

 

20

20 AMP

 

 

 

SPEAKER OUTPUT

POWER

 

 

DA4002/DA6502

Controls and Connectors

1.Pre-amp Line Level Input Connector – Connects to line-level output from the source unit.

2.Floating Ground Factory-Head-Unit Interface Speaker Input – Connects to speaker level output from the source unit (2-channel on DA4002, DA6502, DA1002; 2 separate 2-channel connectors on DA3504).

3.Speaker-Output Connector – 2-channel on DA4002, DA6502 and DA1002; 4- channel on DA3504.

4.Fuse – DA4002: 15A ATC,

DA6502: 20A ATC, DA1002 2x 20A ATC, DA3504: 30A ATC.

5.Power Connector – Connection for 12V+, Gnd and Rem in.

6.Input-Mode Switch – Sums left and right inputs.

7.Input-Level Control – Adjusts input sensitivity for pre-amp level and speaker level inputs.

8.Crossover Selector – Determines whether the crossover is a High-Pass filter @120Hz (HP), a Low-Pass filter @120Hz (LP) or unfiltered (FLAT). Lowpass filter frequency selector (DA1002).

9.Bass E.Q. – Enables bass boost +6dB @ 50Hz.

6

SPEAKER

MODE

 

INPUT

SPEAKER

INPUT

 

MODE

INPUT

+

+

 

+

L

R

R

L

R

 

 

MONO

HPF

STEREO

 

 

STEREO

 

MONO

 

 

 

L

 

 

 

 

 

 

 

7

 

 

1

 

 

 

 

3

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

BRIDGED +

 

POWER

 

FUSE

 

BRIDGED

+ LEFT

 

GND()

BATT(+)

 

 

+ LEFT

RIGHT +

RIGHT +

REM

30 AMP

 

 

 

 

 

 

 

 

 

30

 

 

 

SPEAKER OUTPUT

 

 

 

 

 

 

 

 

 

 

DA3504

 

 

 

 

 

2

1

 

7

9

 

 

 

 

 

 

 

INPUT LEVEL

BASS EQ

 

LOW

 

 

 

R

 

 

 

 

 

 

 

 

 

 

1

10

OFF +6dB

 

OFF

70Hz 100Hz

 

 

 

L

 

 

 

 

 

 

 

 

3

 

 

 

 

5

 

 

 

4

 

 

 

 

 

 

 

 

20 AMP

 

SPEAKER OUTPUT

+

 

 

 

POWER

 

FUSE

BRIDGED

 

 

 

GND()

BATT(+)

 

 

+ LEFT

RIGHT +

 

 

REM

20 AMP

20 AMP

 

 

 

 

 

 

 

 

20

20

DA1002

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