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MANUALE DI ISTRUZIONI
OPERATING MANUAL
T2.5 - T4.5 - T6.5
AMPLIFICATORI DI POTENZA
POWER AMPLIFIERS
PROFESSIONAL AUDIO

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Summarization of Contents

Safety Precautions
General Safety Instructions
Refer servicing to qualified personnel and always disconnect power before internal work.
Conformity
European Community Directives
Compliance with CEE directives for safety and electromagnetic compatibility.
Applied Standards
Details of safety and EMC standards applied, including EN 60065 and EMC regulations.
Introduction
DIGAM® Technology and PWM
Details on DIGAM® technology and PWM circuitry for high performance and efficiency.
Design Benefits
Explains portability, reduced weight, and space-saving aspects of the T Series.
Power Factor Correction
Describes how high-frequency conversion stabilizes power supply and corrects power factor.
Rear Panel
MAINS Connector
Power supply connector for connecting the unit to the mains.
Cooling Slots
Apertures for air circulation, essential for proper cooling.
CH2 Input Connectors
XLR connectors for Channel 2 signal input, allowing parallel connection or mono use.
CH2 Output Connectors
Female Neutrik Speakon connector for Channel 2 output.
CH1 Output Connectors
Female Neutrik Speakon connector for Channel 1 output.
CH1 Input Connectors
XLR connectors for Channel 1 signal input.
Front Panel
Front Panel Indicators
Description of status LEDs: SHORT CIRCUIT, OVER TEMP, and READY.
Channel 1 Level Control
Potentiometer for adjusting Channel 1 input sensitivity.
Channel 1 VU Meter
LED indicators for output power visualization and CLIP detection.
Cooling Slots
Apertures for air intake and exhaust, requiring maintenance.
Channel 2 VU Meter
LED indicators for output power visualization and CLIP detection.
Channel 2 Level Control
Potentiometer for adjusting Channel 2 input sensitivity.
Power Switch
The main power ON/OFF switch for the amplifier.
Installation
Rack Mounting
Designed for 19-inch rack mounting, with emphasis on rear support due to unit length.
Air Cooling Requirements
Ensuring adequate airflow (min 45 m³/h) for proper operation via front intake and rear exhaust.
Installation Precautions
Advice against humid/dusty environments and proximity to sensitive electronic devices.
Cabling
Input Connections
Details on using dual XLR connectors for input signals, enabling parallel or mono configurations.
Input Connection Best Practices
Guidelines for using shielded cables, short unbalanced runs, and proper cable routing to avoid noise.
Cabling Safety & Precautions
Important safety notes on grounding, power disconnection, and handling high power output.
Output Connections
Guidelines for correct loudspeaker connection, polarity, and warnings against short circuits or improper grounding.
Connection Reliability
Advice on using high-quality connectors and understanding amplifier short-circuit protection.
Mains Connection
Mains Power Supply
Instructions for connecting the amplifier to the mains power supply, emphasizing the ground connection.
Power Line Fuses
Information regarding the internal main fuse and contacting service if it fails.
Connection Examples
Connection Examples
Illustrations demonstrating dual and parallel connection configurations for the amplifiers.
Dual-Parallel Connection Example
Diagram illustrating a dual-parallel connection setup for the amplifiers.
Mounting Dimensions
Mounting Dimensions
Technical drawings showing the physical dimensions of the amplifier for rack mounting and installation.
Specifications
Output Power Specifications
Details continuous rated output power for different impedance loads (8/4/2 ohm).
Input and Sensitivity Specs
Specifications for input impedance, sensitivity, voltage gain, and maximum input level.
Performance Specifications
Technical details including THD, signal-to-noise ratio, crosstalk, slew rate, rise time, and damping factor.
Amplifier Protections
Overview of internal protection mechanisms against overload, short circuits, and clipping.
Cooling System
Information about the amplifier's cooling fan and airflow requirements.
Circuitry and Power Requirements
Details on circuitry type, power output devices, input/output connections, and voltage requirements.
Consumption, Dimensions, and Weight
Specifications for power consumption, physical dimensions, and unit weight.
Notes
User Notes Section
Blank page designated for user notes and remarks.