Jensen 400, 760, 880, 900, 920 Installation & Operation Manual

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POWER Amplifiers

Installation & Operation Manual

Contents

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Features and Specifications . . . . . . . . . . . . . . . 2

Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Power Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Speaker Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Indicators and Controls . . . . . . . . . . . . . . . . . . 10

Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Remote Input Level Control. . . . . . . . . . . . . . . 11

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . 12

CEA Power Output . . . . . . . . . . . . . . . . . . . . . . 13

400, 760, 880, 900, 920, 1050

POWER Amplifiers

Introduction

The Jensen Power series of amplifiers were designed to meet or exceed the CEA-2006 test standards. These new standards give all participating manufacturers (and many don't participate) a baseline when comparing amplifiers of similar power output. The CEA Power rating protects you, the customer. “Power is power – it doesn't matter wh o makes it,” is not always true. What does matter is whether the power can be produced in the first place. The RMS rating is the true power you are getting. At Jensen, to be fair to you and to the competition, we rate our amps in the two most popular ratings, including the CEA RMS rating. So feel confident that your Jensen purchase decision was a sound one, and remember "If it's Too Loud, You're Too Old."

Before You Begin

We need to get the legal stuff out of the way, so please keep reading. Afterwards, you’ll be armed with the knowledge to install your new hard-hitting, speaker-pumping Jensen amplifier.

Exposure to loud sounds or music can permanently damage your hearing. Unfortunately , in many cases, the da mage is not noticeabl e until years later. In addition, loud music may hinder your ability to hear traffic, police, and fire or emergency vehicles. Please be responsible and have respect for other peo ple by listening at moderate volumes!

Warranty Service

If your Jensen amplifier should ever require service, you will need the original dated receipt. If you must return the unit for any reason, always include the receipt with the product.

POWER Amplifiers

Features and Specifications

Your new Jensen Power mobile stereo power amplifier is the amplifier of choice for the high demands of auto sound reproduction. With its deep -bass reproduction and plenty of reserve power, low harmonic distortion and neutral reproduction, the Power series of amplifiers takes Mobile Hi-Fi to new heights. Like all Jensen products, when it comes to accurate sound reproduction the Power series takes a back seat to no one. Jensen will bring your Hi-Fi experience to new heights with the following features:

• MOSFET Power Supply

• High Current Bi-Polar Output Transistors

• Optimized Class B Design Minimizes Distortion and Reduces Idle Current

• Easily Drives 2-Ohm Loads

• Pass-Thru RCA's

• Variable Bass EQ 0 - 12dB @ 45 Hz

• 12dB / Octave Low Pass and High Pass filters

• Variable Input Level 400mV - 5V

• Short Circuit, DC-offset and Thermal Overload Protection Circuitry

• Diagnostic LED's - Green: Power, Red: Standby / Fault

Power 400 / 760 / 880 / 920

• Low Pass Filter 40 - 300 Hz

• High Pass Filter 40 - 300 Hz

• High Pass / Low Pass / Full Range Selector Switch

• Stereo / Mono Mode Switch (Power 400 and 880 only)

• 2/ 3 / 4 Channel Mode Switch (Power 760 and 920 only))

Power 900 / 1050

• Mono Subwoofer Amp

• Low Pass Filter 40 - 240 Hz (Power 900)

• Low Pass Filter 40 - 150 Hz (Power 1050)

• Subsonic Filter 10 - 40 Hz, 12dB / octave (Power 900)

• Subsonic Filter 15 - 55 Hz, 12dB / octave (Power 1050)

• Remote Input Level Control (Remote Bass Control) w/ 5 Meter Interface Cable

Specifications

Power 400 / 760 / 880 / 920

• Load Impedance: 2 / 4-Ohm

• Signal to Noise @ 1 kHz: >100dB (rated power)

• Channel Separation @ 1 kHz: >60dB

• Frequency Response: 5-60 kHz, -3dB

• Input Impedance: 20 kHz, nominal

• THD+N @ 5 Watts: 0.02%, 1 kHz, 14.4VD

Power 900 / 1050

• Signal to Noise @ 120 Hz: >100dB (Rated Power)

• Channel Separation Not Applicable

• THD+N @ 5 Watts: 0.02%, 125 Hz, 14.4VDC

Power Output

RMS Power Output @ 2% THD+N, 1kHz, 14.4VDC

Power 400

• 75 x 2 Watts, 4-Ohm

• 100 x 2 Watts, 2-Ohm

• 200 x 1 Watts, 4-Ohm Bridged

Power 760

• 75 x 4 Watts, 4-Ohm

• 100 x 4 Watts, 2-Ohm

• 190 x 2 Watts, 4-Ohm Bridged Stereo

Power 880

• 135 x 2 Watts, 4-Ohm

• 220 x 2 Watts, 2-Ohm

• 440 x 1 Watts, 4-Ohm Bridged

Power 900

• 300 x 1 Watts, 4-Ohm

• 450 x 1 Watts, 2-Ohm

Power 920

• 100 x 4 Watts, 4-Ohm

• 140 x 4 Watts, 2-Ohm

• 230 x 2 Watts, 4-Ohm Bridged Stereo

Power 1050

• 350 x 1 Watts, 4-Ohm

• 525 x 1 Watts, 2-Ohm

Specifications subject to change without notice.

POWER Amplifiers

Installation

Before you begin the installation of your Power series amp remember, there are two ways to do things – right and twice! Use the proper installation techniques, tools and accessories to ensure that your Jensen Power series amp will put out all the power it was designed to. If necessary, seek a professional installer to have the amplifier installed correctly. Most mobile amp installations do not have the proper g auge wire for power and ground – do not let your amp be a victim of this common installation oversight!

NOTE: This device is a high-power audio amplifier intended for installation in vehicles with a 12-Volt negative ground electr ical system. Attempting to connect or operate the amplifier with another type of electrical system may cause damage to the amplifier or the electrical system.

Installation Assistance Supplies and Tools Needed

To install the amplifier, you will need tools, supplies and adapters. It is best to make sure you have everything you need before you start.

Supplies

• Black electrical tape

• Amplifier Installation Kit

Tools

• Cordless drill with assortment of bits

• Flat-head and Philips screwdrivers

• Wire cutters/strippers

• Crimping tool

• 12-volt test light or digital multimeter

• Wire brush, sandpaper or scraping tool (ground connection to vehicle should be a clean, unpainted metal surface)

Disconnect Battery

Disconnect the negative (-) battery cable before starting the installation. Check the battery ground (there should be two (2) ground wires coming from the battery – one going to the starter mounting bolt or engine block and another

going to the vehicle chassis) and make sure the battery is grounded to the chassis with at least a #8 gauge wire. Also check the alternator connections, making sure they are tight and free from corrosion, rust or dirt.

Location and Mounting

The amplifier’s compact design allows great flexibility in mounting. Common mounting locations include under the front passenger seat or in the trunk area.

When selecting a location, remember that amplifiers generate heat. Select a location on a flat surface away from heat and moisture where air can circulate around the amplifier.

Place the amplifier in the mounting location and mark the positions of the holes with a marker, pen or pencil. Carefully drill the mounting holes in the marked positions, then use the supplied mounting screws to securely fasten the amplifier to the mounting surface.

WARNING: Do not cover the amplifier with carpets or enclose it behind interior trim panels, and do not mount the amplifier in an inverted or upside down configuration. Be sure the mounting location and the drilling of pilot holes will not damage any wires, control cables, fuel lines, fuel tanks, hydraulic lines or other vehicle systems or components.

Routing Wires

Proper wiring connections are illustrated on the following pages. If wiring connections are made incorrectly, the unit will not operate properly and could become permanently damaged. Follow the installation instructions carefu lly, or have the amplifier installed by an experienced technician.

POWER Amplifiers

Power Wiring

Charging System

In some cases, the installation of just one (1) amplifier could be enough to overload your factory electrical system (i.e., alternator). Depending on the state of your electrical system and overall condition of your vehicle, you may need to upgrade your alternator and battery. After the vehicle is started, the alternator provides the power to your electrical system, not the battery. When the engine is running, the alternator is your main source of power. Upgrading the alternator should be your first consideration if you should experience a voltage drop in the system when operating your audio system. Adding capacitors and/or batteries without upgrading the alternator will only make the problem worse because these devices put an extra load on the alternator. After upgrading the alternator , capacitors and/or ba tteries can be installed if desire d.

Use the following recommended wire gauge as a guide when installing your amplifier(s):

Power Terminal (+12V/B+)

Connect the main power wire to the battery, within 18 inches from the positive (+) battery post, using an adequate size fuse or circuit breaker capable of handling the current of the selected power wire. A fuse or circuit breaker must be installed to prevent a possible electrical fire should the main power wire short to ground.

Remote Terminal (REM)

Connect the power antenna or amplifier turn-on lead from the receiver to the amplifier remote terminal.

MODEL NUMBER MAX CURRENT DRAW MIN WIRE GAUGE

400 25A #8 760 40A #8 880 60A #6 900 60A #6 920 60A #6

1050 100A #4

Fuse or Circuit Breaker

Install as close to the

battery as possible.

Battery Terminal

Adaptor

Remote Turn-On (Power Antenna)

A D

S UB-W

SUB-W

MONO

AS/PS

DISP

LOC/DX

INT

BAND

SCAN

MUTE

MODE

RPT

SHF

CD2620

-BASS

CHANGER

40WA

TTSx4

JPTH

CD-R/R

AUXIN

AUX

CDRECEIVER

VOL

+ 9 hidden pages

Jensen 400, 760, 880, 900, 920 Installation & Operation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual