Sundown Audio SFB 3000D - User Manual

Mono Blocks:
SFB 600D
SFB 1000D
SFB 1500D
SFB 2000D
SFB 3000D
SIA 3500D
SFB 5000D
SFB 8000D
SFB 13500D
Multi - Channel
SFB 200.4D
SFB 500.4D
SFB 1000.4D
SFB 1800.5D
This manual is intended to be a guide, installation by a qualified professional is recommended

Sundown Audio SFB 3000D Specifications

General

RMS Power at 1 Ohm	3000W
RMS Power at 2 Ohms	1800W
Frequency Response	10 Hz - 250 Hz
Input Sensitivity	6V - 0.2V
Damping Factor	> 200
HPF	10 Hz - 50 Hz
Bass Boost Frequency	45 Hz
LPF	35 Hz - 250 Hz
Bass Boost	0 - 12 dB
Efficiency	85%

Summary

Understanding Amplifier Controls and Indicators

Gain Control

Power Connections

+12 V Battery Connection

Connects to the vehicle's positive battery terminal. Requires appropriate in-line fusing.

Ground Connection

Connects to the vehicle's chassis or power source ground for best performance.

Remote Turn-On Connection

Monoblock Input and Speaker Connections

Input Terminals

Speaker Output Terminals

4 Channel Full Range Input and Speaker Connections

Input Connections

Speaker Output Connections

4 Channel Bridge Mode Input and Speaker Connections

Bridge Mode Wiring Examples

Illustrates series and parallel wiring configurations for bridge mode operation.

Impedance Calculation for Bridge Mode

Subwoofer Series;Parallel Wiring

Subwoofer Planning Chart

Dual Coil Subwoofer Wiring Configurations

Warranty Information

Troubleshooting Amplifier Issues

Amplifier Not Turning On or No Output

Checks fuses, voltage, signal input, and speaker connections for power issues.

Amplifier Enters Protection Mode

Diagnoses issues like speaker shorts, incorrect impedance, or voltage problems.

Distorted, Attenuated, or Noisy Sound