VPA - Public Address Amplifiers
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Contents
Introduction
About this document
This manual is intended to give relevant information on the system
features, available equipment, typical configurations, simplified wiring
and programming and technical data for the concept.
This document is aimed at:
- Consultans
- Installers
- End users
Equipment covered by this document
Public adress amplifiers:
- VPA-120 (120 W)
- VPA-240 (240 W)
- VPA-400 (400 W (*1))
Note! The amplifiers are delivered for 230 VAC as standard. For 115 VAC mains, a plug must be removed and fuses must be changed. See section 3.3.4.
Rules and regulations
The VPA system and its components have been tested according to the following regulations:
- EN 60065: 2002
- “Audio, video and similar electronic apparatus. Safety requirements”
- IEC 60533: Second edition, 1999
- "Electrical and electronic installation in ships - Electromagnetic compatibility".
- EN 60945: Fourth edition, 2002
- "Maritime navigation and radio communication equipment and systems - General requirements - Methods of testing and required test results".
- IACS E10: Corr.1 July 2003
- "Unified environmental test specifications - Testing procedure for electric control and monitoring, safety and protection, onboard computer based systems and peripherals, loading instruments, internal communication and other electrical equipment as considered appropriate".
Publication log
v.1.0 - Sep. 2007
CONNECTORS AND CONTROLS
The connectors and controls of all three amplifier types are identical except for the maximum rated output power.
1 - Overload warning 2 - Fault warning 3 - VU-meter, -18, -10, -6, 0, +1dB 4 - Mains switch 5 - Power-on lamp 6 – 24 VDC backup power 7 – Frame ground connection 8 – Mains power connector and fuse 9 – Loudspeaker connections 10 – Pre-warning chime signal control 11 – Master volume control 12 – Master tone controls 13 – Entertainment input and output with volume preset 14 – Call/alarm audio input and output with volume preset 15 – 8 ohm monitor loudspeaker output with volume control 16 – no/nc relay for amplifier fault warning 17 – 24 VDC 800 mA power to external equipment 18 – Remote volume control 19 – Priority over entertainment input