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Summary of Contents for Zenitel VINGTOR STENTOFON EA1400
- Page 1 EA1400 / EA1600 Analog Class-D Amplifier Installation and User Manual A100K11939...
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Page 2: Table Of Contents
Contents Introduction ......................3 1.1. Document Scope ........................3 1.2. Product Information ........................ 3 1.3. Publication Log ........................3 1.4. Rules & Regulations ......................3 Connectors and Controls ..................4 2.1. Cabinet ............................4 2.2. Power ............................4 2.3. Audio Input ..........................5 2.4. -
Page 3: Introduction
Introduction 1.1. Document Scope This document is intended to provide relevant information on the amplifier features, typical configuration, basic installation and wiring of the EA1400 and EA1600 amplifier. See product datasheet for technical details. 1.2. Product Information Item No. Item Name Description 1023121400 EA1400... -
Page 4: Connectors And Controls
Connectors and Controls Figure 1: Amplifier Front Panel Figure 2: Amplifier Rear Panel 2.1. Cabinet The amplifier is prepared for mounting in a standard 19” rack and will occupy 2HU in height. The amplifier can also be free-standing on a level, open surface. The amplifier has a built-in cooling fan but the front and back must be kept free of objects in order to secure sufficient air flow. -
Page 5: Audio Input
2.3. Audio Input This connector is used as a line input and output with a 6-pin Phoenix MiniCombi connector: Pin#1 & Pin#2: Balanced Line IN audio input for public announcements, alarm messages, background music, etc. Pin#3: Line IN audio cable shielding; connected to chassis ground. ... -
Page 6: Loudspeaker Outputs
2.5. Loudspeaker Outputs The loudspeaker outputs have a 3-pin Phoenix 5.08 mm connector: Speaker Loop: full power output available on the 100V or 70V constant voltage line Max. cable cross section: 12 AWG / 2.5 mm For more information and application example, please refer to section 3.6. Loudspeaker Connections. 2.6. -
Page 7: Settings Switch
2.7. Settings Switch Line-In 10kΩ/600Ω ON: 10kΩ as line input impedance is selected. This is the default setting. OFF: 600Ω as line input impedance is selected. Line Monitoring ON: Line monitoring enabled A 21-kHz pilot tone signal (not hearable) will be delivered to the outputs continuously to detect short circuit or ground fault events on the audio outputs lines. -
Page 8: Indicators
2.9. Indicators Power A green LED is lit when the amplifier is powered Fault A yellow warning LED will be lit if any of these events have occurred: Too high temperature Overload on audio output Ground fault or short circuit on output (Only if line monitoring is enabled) ... -
Page 9: Installation & Wiring
3½”) vertical space. -15°C to +55°C Rack Temperature: Zenitel recommends installing the amplifier in a ventilated technical instrument room with temperatures 18°C to +25°C between + . This will also extend the life span of the system. If operated in higher temperatures, the output RMS power may be degraded by <2dB after a period of continuous operation. -
Page 10: Input Connection
The mains power cable should be 3 x 1 mm rated for 500 VAC. WARNING Do NOT disconnect the third (yellow/green) wire in the power plug. This wire grounds the amplifier’s chassis to prevent a possible shock hazard. If an adapter is used to connect the plug to an ungrounded outlet, make sure that the amplifier’s chassis is connected to the vessel’s central ground. -
Page 11: Loudspeaker Connections
3.6. Loudspeaker Connections There are two possibilities of connecting several loudspeakers: Either the 100V output or 70V output as shown below: Type EA1400 EA1600 Output 70Vrms 100Vrms 70Vrms 100Vrms Loudspeakers’ 12.5Ω @400W 25Ω @400W 8.4Ω @600W 16.7Ω @600W Impedance 3.7. Practical Usage with Calculation Example The 100V / 70V system is used when a large number of speakers are installed and/or the speakers are placed far from the amplifier. -
Page 12: Optional Connections
The speakers must be connected in parallel. The impedance taps on the primary of the line transformers determine the power taken from the line. One or more speakers may be removed or added without affecting the rest of the system. Speakers are added as needed until the total wattage absorbed by the line transformers is equal to the rated output power of the amplifier. - Page 13 The EXT I/O control is a RJ45 connector (without any network capabilities) with the following functions: GND (Pin#1): Internal 0V • FAULT (Pin#2): Output for fault signals. External device can get a warning if Class-D circuit has • been broken due to too high temperature or overload error event occurring. Line Monitoring (Pin#4): Input for remote control of line monitoring.
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Page 14: Startup & System Check
Startup & System Check 4.1. Preparations All wiring and connections should be finished. Turn all volume controls down to the minimum position (counter-clockwise). Connect the power cord to the mains outlet. Turn the mains switch ON and check that the Power LED is on. Fault and Line Error LEDs may blink shortly at the beginning, but it should not be lit continuously. -
Page 15: Service
Service 5.1. Service Information All service on this unit should be performed by qualified service technicians only. Contact your local Vingtor-Stentofon dealer or representative for service. WARNING! Always disconnect the mains power cable before opening the cabinet to avoid electrical shock hazard and possible damage to the equipment. -
Page 16: Ea1400 / Ea1600 Dimensions
EA1400 / EA1600 Dimensions EA1400/1600 Installation & User Manual A100K11939... - Page 17 ZENITEL PROPRIETARY. This document and its supplementing elements contain Zenitel or third party information which is proprietary and confidential. Any disclosure, copying, distribution or use is prohibited, if not otherwise explicitly agreed in writing with Zenitel. Any authorized reproduction, in part or in whole, must include this legend:...
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