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YORKVILLE AudioPro AP1200 User Manual

YORKVILLE AudioPro AP1200
19 pages
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TABLE OF CONTENTS
2 Introduction
2 Inputs
3 Ground Strap
3 Mono/Stereo/Bridge Switch
4 SubSonic Filter Switch
4 Limiter Switch
4 Protect LED
4 Short Circuit Protection
4 DC Protection
5 Thermal Protection
5 Cooling
5 Clip LEDs
5 Power Configuration
5 Other Design Details
6 Energy Management System
6 Reliability
7 Applications
7 Total Harmonic Distortion
7,8 Specifications
PAGE
TABLE DES MATIÈRES
PAGE
10 Introduction
10 Entrées
11 Tresse de mise à la Terre
11/12 Commutateur mono/stéréo/en pont
12 Commutateur de Filtre Subsonique
12 Commutateur de Limiteur
12 D.E.L. Protectrice
13 Protection Contre Les Court-Circuits
13 Protection du CC
13 Protection Thermique
13 Refroidissement
13 DEL d' Écretage
13 Configuration de la Section de Puissance
14 Autres Détails de Conception
14 Système de Gestion Energétique
15 Fiabilité
15 Applications
15 Distorsion Harmonique Totale
16/17 Spécifications
Before operating this unit, please read this manual thoroughly, and retain it for future use.
REVISED 03/94 Printed in Canada
Veuillez lire ce manuel attentivement avant d'utiliser l'appareil et le concerver pour consultations
ultérieures.
RÉVISÉ 03/94 Printed in Canada
Quality and
Innovation
Since 1963
OWNERS MANUAL
MANUEL DE L'UTILISATEUR
AUDIOPRO AP1200
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YORKVILLE AudioPro AP1200 Specifications

General IconGeneral
Power Output1200 Watts
Channels2
Power (Watts)1200
Input Impedance20 kOhms Balanced, 10 kOhms Unbalanced
Signal to Noise Ratio> 100 dB
CoolingVariable Speed Fan
Frequency Response20 Hz - 20 kHz
Input Sensitivity1.4V for full output
THD< 0.1%
ProtectionThermal, short circuit, DC, overload
Dimensions19" x 3.5" x 14.5"
Damping Factor>200
Power Output (2 Ohms)1200 Watts

Summary

IMPORTANT SAFETY INSTRUCTIONS

Electrical Safety Precautions

Cautionary advice regarding electric shock, opening the unit, and qualified servicing.

Operational Safety Guidelines

Guidelines for power sources, cord usage, and unit operation to prevent hazards.

INTRODUCTION AND INPUTS

Product Overview and Features

Introduction to the Yorkville AP1200 amplifier, its design philosophy, and key features.

Audio Input Connectivity

Details on using XLR and 1/4" PHONE jacks for balanced and unbalanced audio signals.

Remote Referencing

Method for achieving balanced performance with unbalanced audio sources.

GROUND STRAP AND OPERATION MODES

Ground Strap Configuration

Explanation of the ground strap's role in disconnecting chassis ground and troubleshooting hum.

Mono, Stereo, and Bridge Modes

Description of mono, stereo, and bridged mono operation modes, signal routing, and load connections.

AUDIO FEATURES AND PROTECTION

Subsonic Filter and Limiter

Functionality of the subsonic filter for low-frequency response and the limiter for dynamic range control.

Protection Systems Overview

Details on the PROTECT LED, short circuit, and DC protection mechanisms for speaker safety.

THERMAL MANAGEMENT AND CONFIGURATION

Thermal Protection and Cooling

How thermal protection operates and the amplifier's cooling fan system and airflow.

Indicators and Power Configuration

Clip LED indicators and details on the factory 2 Ohm configuration and optional 4 Ohm modification.

Advanced Design Elements

Information on MOSFETs, multiple supply voltages, and the proprietary output section design.

PERFORMANCE COMPARISONS AND RELIABILITY

Analog vs. Digital Amplifier Performance

Comparison of AP1200's analog performance against digital switching amplifiers.

Energy Management and Reliability

How the AP1200 manages power draw and Yorkville's commitment to unit reliability.

APPLICATIONS AND DISTORTION DATA

Recommended Use Cases

Use cases for the AP1200, including touring, sound reinforcement, and studio monitoring.

Total Harmonic Distortion Metrics

Measured THD figures across different frequencies and load impedances.

TECHNICAL SPECIFICATIONS

Power Output Performance

Detailed power output figures for different configurations, loads, and measurement types.

Key Electrical and Operational Specs

Input impedance, sensitivity, frequency response, slew rate, efficiency, and protection features.

Controls, Indicators, and Physical Data

Front panel controls, displays, unit dimensions, weight, and power consumption.

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