Steg 75.4x User Manual

MANUALE DI ISTRUZIONI
USER'S MANUAL
MANUEL D’INSTRUCTIONS
BEDIENUNGSANLEITUNG
MANUAL DE INSTRUCCIONES
FOUR CHANNELS
DEFINITIONDEFINITION
MOSFETMOSFET
POWERPOWER
AMPLIFIERAMPLIFIER
HIGHHIGH
A
Q
X
M2
R
U
N
N
I
N
G
WIT
H
MOD
ULES
CROSS-OVER
CROSS-OVER
MUTIMODALMUTIMODAL
BUILT-INBUILT-IN
GR.I.P.S.
GRound Improved
Path System
P.R.H.E.S.S.
Primary Regulated
High Efficiency
Supply System
M.I.T.H.O.S.
Mosfet Improved
True High
Output Swing
EXCLU
SIvE
TECHN
OLOGY
AMPLIFIERSAMPLIFIERS
x
75.4
x
105.4
45.4x

Steg 75.4x Specifications

General

Brand	Steg
Model	75.4x
Category	Amplifier
Language	English

Summary

MOS II Amplifier Introduction

Power Supply Characteristics & Manufacturer Notice

Describes stabilized power supply, voltage range, performance, and manufacturer's right to make product modifications without prior notice.

Amplifier Installation and Status

Amplifier Mounting and Positioning Guidelines

Covers optimal amplifier placement, heat dissipation, secure fixing methods, and mounting feet for installation.

Status Indicator LED Functions

Explains the meaning and operational status indicated by the amplifier's front panel LEDs.

Power Supply Connections and Wiring

Safe Battery Terminal Connection Procedure

Instructions for safely disconnecting and connecting battery terminals before any power connection work.

Wiring Power, Ground, Remote, and Fuse

Details on connecting positive/negative cables, remote turn-on signal, and proper fuse installation and selection.

Speaker Output Configurations

Stereo Speaker Connection (2-4 Ohm)

Details for connecting speakers in stereo mode, suitable for 2-4 Ohm impedance systems.

Mono & Mono+Stereo Speaker Setups

Explains mono and combined mono+stereo configurations, including impedance requirements for each.

Signal Input and Sensitivity Adjustment

Signal Input Connection and Routing

Guidelines for shielded signal cables, routing, and using the input mode selector for signal input.

Input Sensitivity Level Adjustment Procedure

Step-by-step guide to set amplifier sensitivity for optimal sound.

Electronic Crossover System

Internal Crossover Operation and Features

How to activate, deactivate, select frequencies, and understand the cut-off slope of the internal electronic crossover.

ACXM2 Crossover Module Integration

Information on the optional ACXM2 module for precise frequency selection and its integration into the amplifier.

Using the Electronic Crossover

Crossover Control Settings and Response

How control settings affect frequency response, with visual graphs illustrating various crossover filter effects.

Crossover Frequency Response Graphs

Visual representation of different crossover filter combinations and their impact on the audio output response.

Exclusive Technology Features

M.I.T.H.O.S. Mosfet Output Stage

Describes the M.I.T.H.O.S. circuitry utilizing Mosfets for high output swing and maximum efficiency.

GR.I.P.S. Ground Path System

Explains the GR.I.P.S. system for noise reduction and ground loop elimination in car audio installations.

P.R.H.E.S.S. Power Supply System

Details the P.R.H.E.S.S. technology for high-efficiency, regulated power supply in automotive applications.