A M P L I F I E R S GT1500D GT2500D CONTENTS Congratulations! 3 Specifications 3 Features 4 Installation 6 Low Level Input/ Speaker/ Power wiring 7 Bridging Two Amplifiers 8 Electrical Wiring 9 Precautions 10 Troubleshooting 11
A M P L I F I E R S Congratulations on your purchase of a BOSS Audio Systems car audio amplifier. Class D amplifiers are designed and engineered in the USA to the highest level of quality, and will afford you years of listening enjoyment. The Class D amplifiers incorporate a DC-to-DC switching power supply which has been designed to provide ample headroom for even the most demanding peaks and dynamic range found on modern recordings.
GT1500D and GT2500D Front A M P L I F I E R S F E A T U R E S CLASS-D MONOBLOCK AMPLIFIER GT1500D Rear GT1500D and GT2500D One Ohm Stable MonoBlock amplifier MOSFET Power Supply PWM (Pulse Width Modulation) System Glass/epoxy Printed Circuit Board Nickel-plated RCA Input and Bypass Output jacks Nickel-plated Speaker and Power Terminals Protection Circuitry Against Thermal, Overload and Short Circuit Faults Variable Subsonic Filter (15Hz-40Hz, 24dB/octave) Variable Low Pass Filter (50Hz-150Hz, 2
Installation Low Level Inputs / Speaker / Power Connections Important Installation Considerations and Precautions GT1500D and GT2500D The design philosophy of this amplifier requires strict adherence to proper installation and load impedance instructions. The minimum recommended impedance is 2 Ohms. The fuse rating for the GT1500D is 40 amperes (2 x 20A fuses) and the GT2500D carries a fuse rating of 75 amperes (3 x 25A fuses).
Bridging Two Amplifiers Electrical Wiring GT1500D and GT2500D All BOSS series power amplifiers are equipped with easy top access screw terminals. These terminals are n ickel-plated in order to ensure excellent electrical contact and to resist corrosion. (BRIDGED SWITCH : MASTER POSITION) When making electrical connections to the amplifier, please observe the following: Use at least 8 gauge or heavier wire for power and ground connections. Wire the amplifier directly to the car battery.
Precautions Troubleshooting Before you drill or cut any holes, investigate your car's layout very carefully. Take care when you work near the gas tank, fuel lines, hydraulic lines and electrical wiring. Before removing your amplifier, refer to the list below and follow the suggested procedures. Always test the speakers and their wires first. Do not operate the amplifier when it is not mounted.
Troubleshooting, cont. High squeal noise from speakers Check all RCA interconnects. High squealing noises are almost always caused by RCA cables with poor grounding. Always use high-quality RCA interconnects in your audio system. Distorted sound Check that the Level control(s) is set to match the signal level of the head unit. Always begin at the lowest setting. Check that crossover frequencies have been properly set. Check for short circuits on the speaker leads.
