Directed Audio 750d 1500d manual Congratulations, Table of Contents

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CONGRATULATIONS

Congratulations for choosing a Directed Audio power amplifier from Directed Electronics, the industry leader in high quality automotive security and audio equipment since 1990.

Directed Audio power amplifiers continue to set new standards of perfor- mance, reliability, and affordability in the mobile electronics industry.

Featuring high-efficiency MOSFET power supplies, flexible on-board crossovers, and state of the art audio design, Directed Audio power amplifiers will excite and delight the mobile sound

enthusiast with years of high-quality audio reproduction.

Directed Audio power amplifiers come with a two-year limited warranty if installed by an authorized Directed dealer. If not installed by an authorized dealer, Directed Audio power amplifiers are covered by a one-year, parts-and- labor limited warranty.

Be sure to retain your original sales receipt and refer to the warranty section of this guide for full details about your coverage.

TABLE OF CONTENTS

Limited Two-Year Consumer Warranty . . . . . . . . . . . . . . . . . . . . . . . . .3

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Front Panel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Rear Panel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Top Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Top Panel Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Speaker Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Combining Amplifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Parallel Synced Gain Connections/Settings . . . . . . . . . . . . . . . . . . . . .13

External Synced Bridged Connections/Settings . . . . . . . . . . . . . . . . . . .15

Multiple Amplifier Combinations . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Crossover Settings and Gain Adjustment . . . . . . . . . . . . . . . . . . . . . . .18

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

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© 2003 Directed Electronics, Inc

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Contents 750d models 1500d Table of Contents CongratulationsLimited TWO-YEAR Consumer Warranty Features „ High-speed Mosfet switching power supplyInstallation Guidelines Directed Electronics, Inc Front Panel Connections RCA Sync Out/ Slave In JackRear Panel Connections Amplifier Connections 750d Rear TOP Panel Controls TOP Panel FeaturesRemove/Install Control Panel CoverSpeaker Wiring Diagrams Parallel Synced Gain Combined Amplifiers Gain and Filter SettingsCombining Amplifiers External Synced BridgedParallel Synced Gain CONNECTIONS/SETTINGS Slave/Master SwitchSlave Subwoofer Wiring top viewMaster External Synced Bridged CONNECTIONS/SETTINGS Subwoofer Wiring SlaveMultiple Amplifier Combinations Crossover Settings and Gain Adjustment Specifications Directed model 750d 1500dDirected Electronics, Inc Vista, California

750d 1500d specifications

Directed Audio has made significant advancements in the automotive audio industry with its groundbreaking products, the 750D and 1500D. Designed for enthusiasts who demand high-quality sound from their vehicles, these amplifiers are engineered to deliver superior audio performance and robust power.

The Directed Audio 750D is a compact yet powerful Class D amplifier that provides 750 watts of RMS power at a 1-ohm load. This unit is designed specifically for those who want to enhance their in-car audio experience without compromising on performance or efficiency. The 750D features a high-speed MOSFET power supply, ensuring effective power management and consistent performance over prolonged usage. Its compact size allows for easy installation in a variety of vehicle types, making it a versatile choice for audio upgrades.

On the other hand, the Directed Audio 1500D takes performance to the next level with an impressive 1500 watts of RMS power at a 1-ohm load. This amplifier is built for serious audio aficionados who want to push the limits of their in-car sound systems. Like the 750D, the 1500D utilizes a high-efficiency Class D design, providing maximum power output while minimizing energy loss. This design also helps to keep the amplifier cool, even during extended listening sessions.

Both models come equipped with adjustable low-pass filters that enable users to tailor the sound to their preferences, allowing for precise control over the audio output. Additionally, they feature built-in bass boost functionalities, providing an enhanced low-end response that is essential for modern music genres heavily reliant on bass frequencies.

Installation of the Directed Audio amplifiers is made easy with user-friendly connectivity options. They include high-level inputs, enabling simple integration with factory sound systems without requiring extensive modifications. Furthermore, these amplifiers are housed in sturdy, compact chassis designs that are both appealing and durable, ensuring longevity in various environmental conditions.

In summary, the Directed Audio 750D and 1500D amplifiers exemplify the brand's commitment to delivering high-performance audio solutions for car enthusiasts. With advanced features, exceptional power output, and user-friendly installation options, these amplifiers stand out in the automotive audio market as top choices for those seeking to elevate their listening experience on the road.
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