CRUNCH DR-1325.1 Ground Pounder 3500 Watt Amplifier Installation Guide

: August 8, 2024
: CRUNCH

Table of Contents

CRUNCH DR-1325.1 Ground Pounder 3500 Watt Amplifier
Product Information
Product Usage Instructions
FAQ
Before you start
Installation
Common System Setup
Setup
WARRANTY
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

CRUNCH DR-1325.1 Ground Pounder 3500 Watt Amplifier

Product Information

Specifications

Model : DR-1325.1
Fuse Size : External 60A
Cable Size : 4ga

Product Usage Instructions

It is crucial to use the correct power and ground cable size specified for your amplifier model. Always opt for high-quality copper cables to ensure optimal performance.

Disconnect negative battery terminal: Ensure the negative battery terminal is disconnected and secured to avoid accidental contact with the battery post.
Run Cables: Properly route power, speaker, and RCA cables through the vehicle.
Mount Amplifier: Select a location with adequate air ventilation to mount the amplifier securely. Avoid mounting it upside down.
Chassis Ground: Choose a location near the amplifier, scrape away paint for a good connection, and use a nut and bolt for grounding (avoid factory bolts).
Power Connections: Use spade terminals to connect +12V to the power cable, REM to the source unit turn-on wire, and GND to the chassis ground.
Signal Input: Connect RCA cables to the INPUT connectors; OUTPUT can be used for a second amplifier input.
Level Control: Turn the LEVEL control counter-clockwise to a minimum.
Positive Battery Connection: Connect the power cable to the positive battery terminal within 18 inches, ensuring it is fused.
Re-connect Negative Battery Terminal: Re-connect and tighten the negative battery terminal securely.
Xover Mode: Set the crossover mode switch based on your audio setup.
High Pass Adjustment: Use the HPF control to protect midrange and high-frequency speakers.
Low Pass Adjustment: Utilize the LPF control for a smooth transition to higher frequency speakers.
Bass Boost: Increase bass output at 45Hz cautiously to avoid distortion.
Remote Level Control: Exercise caution while adjusting the bass remote, especially while operating the vehicle.

FAQ

Q: Why is it important to use high-quality copper cables for power and ground connections?
A: High-quality copper cables ensure optimal performance and reduce the risk of electrical issues or damage to the amplifier.
Q: How do I determine if my radio/source unit requires a reset code before disconnecting from battery power?
A: Refer to your vehicle’s operation manual or contact the dealer to check if a reset code is needed to prevent anti-theft features from activating.

Before you start

CAUTION
Many new and factory radios require a reset code when disconnected from battery power. This is an anti-theft feature. Before unplugging power, you must determine if your radio/source unit requires a reset code. Check the operation manual for your vehicle or contact the dealer.

Power / Ground cable size

It is critical to use the proper power and ground cable. Select the size listed here for your amplifier model. Always use high-quality copper cables.
Cable size recommendations for multi-amp systems are available on our website.

Model Fuse Size Cable Size

DR-1325.1 External 60A
DR-2125.1D External 80A
DR-2725.1D External 100A
DR-3725.1D External 150A
DR-2125.2D External 100A
DR-3125.2D External 125A
DR-1325.4D External 60A
DR-2525.4D External 80A

4ga

Installation

Disconnect the negative battery terminal

Place the terminal in a secure position so that it won’t accidentally contact the negative battery post

Run Cables

Properly route power, speaker, and RCA cables through the vehicle.

Mount Amplifier

Choose a mounting location that will provide adequate air ventilation. Mount the amplifier to a secure surface. Do not mount the amplifier upside down.

Chassis Ground

The chassis ground connection is critical to the performance of the amplifier. Choose a location that is close to the amplifier. Completely scrape away the paint and use a nut and bolt if possible.
DO NOT USE AN EXISTING FACTORY BOLT!

Power Connections

Using spade terminals, connect the +12V to the power cable from the battery, the REM to the source unit turn-on wire, and the GND to the chassis ground..

Signal Input Low-Level RCA

Connect the RCA cables to the INPUT connectors. The OUTPUT can be used to provide input for a second amplifier.

Level Control

Turn the LEVEL control completely counter-clockwise to a minimum.

Positive Battery Connection

Connect the power cable to the positive battery terminal. The power cable must be fused within 18 inches of the battery terminal.

Be prepared to disarm your vehicle’s alarm and enter your radio/source unit code.

Re-connect Negative Battery Terminal

Re-connect the negative battery terminal making sure it is securely tightened.

Common System Setup

4ch – Full Range

4ch – Mixed Mono

2ch

Mono

Setup

A: Xover Mode

The XOVER Mode switch sets the type of crossover that will be active. 4 channel models will have two switches, one for each set of channels.

B: High pass Adjustment

The HPF (high pass filter) control will limit the output below the selected frequency. This is typically used to protect midrange and high-frequency speakers from damage and to allow a smooth transition from a subwoofer.

C: Low pass Adjustment

The LPF (low pass filter) control will limit output above the selected frequency. This is used to allow a smooth transition to the higher-frequency speakers.

D: Bass Boost

The BASS BOOST or BASS EQ control will increase the output at 45Hz for more pronounced bass. Exercise caution. Increase the level in small amounts until distortion is noticed, then back off a little.

E: Remote Level Control

Some models include a bass remote. Avoid adjusting the bass remote while operating vehicle.

F: Level Setting

This is a critical step to ensure your amplifier is properly adjusted to match the signal output level of your source unit.

THIS IS NOT A VOLUME CONTROL!

If possible, with the source unit off, confirm that the primary volume control is turned down (counterclockwise).
Turn on the source unit (CD, or MP3 player). Re-confirm that the volume is turned down. Make sure the source unit controls; balance, fader, bass, and treble are all set to center or “0” adjustment. Make sure that the green LED on the end of the amplifier is illuminated.
Play a clean musical selection of which you are very familiar. The CD is preferred.
Do not use radio signals to set the level. Hit play and start turning the volume of the source unit up.
Stop increasing the source unit volume when you reach 3/4 (about 75%) or until you hear speakers begin to slightly start producing distortion.
Increase the amplifier level (clockwise) until the distortion is heard, then back the level down (counterclockwise) until the distortion is eliminated. Small adjustments may need to be made to balance the levels of multiple amplifiers.

G: Logo Illumination

This is a step to control the illumination on the front of the amplifier.
3-MODES: VU Meter mode, All red LED mode, and logo illumination off.
THIS IS NOT A REPLACEMENT FOR AN OSCILLOSCOPE – PLEASE USE PROPER TOOLS WHEN SETTING GAIN!

The information contained within this document is intended to offer some basic guidelines for a few of the most common installations. More complex audio systems should be installed by a competent professional. Additional installation information available at www.maxxsonics.com

WARRANTY

Maxxsonics, LLC. warrants this product, to the original consumer purchaser, to be free from defects in material and workmanship for one (1) year from the date of purchase. Maxxsonics, LLC. will, at its discretion, repair or replace defective products during the warranty period. Components that prove to be defective in materials and workmanship under proper installation and use must be returned to the original authorized Maxxsonics, LLC. retailer from where it was purchased. A photocopy of the original receipt must accompany the product being returned. The costs associated with removal, re-installation, and freight are not the responsibility of MMaxxsonics, LLC. This warranty is limited to defective parts and specifically excludes any incidental or consequential damages connected therewith. To view the full warranty, please visit the website.

Congratulations on your choice of an Autotek amplifier.
This “Quick Start Installation” guide is meant to help you “hook up” and play music. For more detailed information, on system settings, speaker and subwoofer configuration, and full specifications by model visit the website, http://crunchcaraudio.com/manuals.html