TOP PANEL CONTROLS

1.Input Gain Adjustment - Controls the amplifier’s sensitivity and is used to match the input level of the amplifier to the output level of the signal source.

2.Crossover Frequency Adjustment - Adjusts the crossover point for the on-board low-pass crossover.

3.Subsonic Frequency Switch - Sets the cutoff point for subsonic

FIGURE 4—AMPLIFIER CONTROLS TOP

frequencies below 30Hz. Frequen- cies below 30Hz will be attenuated by 24db per octave.

4.Bass EQ Switch - Adds 8db of addi- tional boost to the subwoofer output when active.

5.Sub Phase Switch - Changes the phase of the subwoofer output by 180 degrees.

GAINFREQ

1

MIN

2

MAX 30Hz 250Hz

3

OFF ON

OFF ON

BASS EQ

SUBSONIC

4

PHASE

5

0180

TOP PANEL FEATURES

Control Panel Cover

The gain and filter controls are located under a control panel cover on top of the amplifier. The control panel cover must be removed to gain access to the gain and filter controls.

Remove/Install

Four Allen-head screws hold the control panel cover to the amplifier top panel, one at each corner. They can be removed with the wrench supplied in the hardware pack.

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© 2003 Directed Electronics, Inc

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Directed Audio 750d 1500d manual TOP Panel Controls, TOP Panel Features, Control Panel Cover, Remove/Install

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.