Do you have a question about the Q4 audio PTH 9 and is the answer not in the manual?
Explains symbols related to dangerous voltage and risk of electric shock.
Read/keep instructions, observe warnings, avoid water, heat, and blockages.
Prevent shock, use proper plugs, service by qualified personnel only, and handle voltage selectors safely.
Protect cords, unplug when not in use, prevent object/liquid entry.
Explains 'PT' meaning, control systems, and lists amplifier features.
Lists available PTH models (3, 5, 7, 9) and their output power ratings.
Advises on proper spacing for cooling fans and airflow, especially in rack systems.
Explains how to select DUAL, PARALLEL (MONO), or BRIDGE modes using the back panel switch.
Overview of rear panel connectors including inputs, outputs, and mains cord.
Connect speakers to SPEAKER OUT 1/2. Min impedance 2 Ohms per channel.
Uses BRIDGED OUT for mono operation. Requires specific Speakon wiring and gain matching.
Use three-prong connectors with earth. Voltage systems are set internally by a technician.
Explains level controls and status LEDs (READY/PROTECT, SIGNAL) on the front panel.
Explains NLR (distortion limiter) and TCL (temperature limiter) functions indicated by LEDs.
Discusses using shielded cables for inputs and the importance of chassis grounding.
Provides diagrams for balanced/unbalanced connections, showing floating vs. grounded scenarios.
Details output power ratings and frequency range of the amplifiers.
Specifies intermodulation distortion, slew rate, and damping factor.
Covers noise interference, crosstalk, CMRR, input impedance, and connectors.
Includes cooling, mains supply, dimensions, and weight.
Details the 2-year warranty period, what's covered, and common exclusions.
Instructions for obtaining service and liability disclaimer for damages to other equipment.
Notes on design changes and provides company contact details.