INSTALLATION GUIDELINES

1.Please read this owner’s manual carefully before installing this ampli- fier.

2.Disconnect the battery ground terminal prior to making any elec- trical connections.

3.Check for any hazards or obstruc- tions such as gas tanks, fuel or brake lines, and wiring harnesses before mounting the amplifier.

4.Pick a mounting location that will provide adequate access and venti- lation and protect the amplifier from heat, moisture, and dirt.

5.Avoid sharp metal areas when routing cables to the amplifier, and run RCA cables away from the power cables and other potentially noisy car harnesses.

6.The amplifier should be grounded with a short, heavy gauge wire connected directly to the car at a bare metal surface, preferably scraped body sheet metal. Do not use factory ground locations, seat bolts, or brackets that are spot welded.

7.Always fuse your power connection within 8 to 10 inches of the battery

terminal. Use a fuse or circuit breaker rated slightly more than the

on-board fuse(s) of the amplifier(s). The gauge of power wire used should take into account the total current draw of the system, and the length of wire used. IASCA and other auto sound competition organizations have charts available for this; you can also find a chart in the MECP study guide. Minimum wire gauge recom- mendations for the individual ampli- fiers are listed on the specification page. Always use the same gauge wire for the amplifier ground that you use for the power wire. Be sure to examine the battery ground cable of the vehicle, and if neces- sary, upgrade it by adding an addi- tional ground wire that is the same gauge as the amplifier’s power wire. Remember, the amplifier can only deliver its rated output when it is not current limited by the power and ground supply wires.

8.This amplifier is designed to drive a speaker load that measures from 1 to 4 ohms. Keep in mind that heat is the long-term enemy of automo- tive electronics and the lower your

© 2003 Directed Electronics, Inc

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Directed Audio 750d 1500d manual Installation Guidelines
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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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