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Summary of Contents for inout DA 480-R
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Page 1: User Manual
USER MANUAL Version 1.0... - Page 2 DA 480-R User manual v.1 Warranty DA 480-R is covered by 24 month warranty on its electronics parts, starting from the date of purchase. This warranty becomes void in case of tampering with the device and in case of work carried out on it by people that were not authorized by the manufacturer or by an authorized dealer.
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Page 3: Table Of Contents
DA 480-R User manual v.1 SUMMARY 1. Installation Introduction Contents of the DA 480-R Safety rules 2. Overview Rear panel overview Front panel overview Amplifier configurations general overview 3. Connections 4 ch amplification 2 ch amplification - BRIDGED Remote volume control – VCA 4. -
Page 4: Installation
Power supply circuit is “switch mode” with the benefit of high efficiency and reduced weight. 1.2 Contents of the DA 480-R Contents of the DA480-R kit: n° 1 DA 480-R device n°... - Page 5 10. Device handling must take place only when all the cables have been disconnected. 11. Device maintenance must be done only by qualified personnel. 12. For any requirement or technical information contact InOut or authorized personnel. OBSOLETE DEVICES DISPOSAL • This picture means that the device is European Directive 2002/96/EC compliant.
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Page 6: Rear Panel Overview
DA 480-R User manual v.1 Overview 2.1 Rear panel overview 1) 230VAC mains power connector, use the appropriate supplied cable. 2) Protection fuse on mains power 3) Mains power switch 4) Forced ventilation fan IMPORTANT: The power amplifier, during regular operation, needs a suitable cooling that can be done by natural or forced ventilation. -
Page 7: Front Panel Description
DA 480-R User manual v.1 2.2 Front panel description 1) Power amps cooling grille. 2) “Device ON” LED, powered device. 3) Three-colour LED with indication purpose: Description Indicating = input signal not present or too low green = input signal present... - Page 8 DA 480-R User manual v.1 2.3 Power amp configurations general overview Page 7...
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Page 9: Connections
DA 480-R User manual v.1 Connections 3.1 4 channels configuration 4 CHANNELS AMPLIFICATION OUTPUT CONNECTIONS Observe correct polarity in speaker connection to have output signals in phase with the input ones. IMPORTANT: • Do not connect outputs among them or to others amplifiers outputs. - Page 10 DA 480-R User manual v.1 Input connections advices • Use only hi-quality coaxial cables. • Unbalanced connections must be as shortest as possible • Do not put low level signal cables close to high level ones (speakers cables) or close to power cables.
- Page 11 DA 480-R User manual v.1 2 channels amplification - BRIDGED IMPORTANT: When a section is used in BRIDGED mode (the two channels of the section are bridged), the internal “jumpers” must be set as indicated on page 12. 2 CHANNELS BRIDGED MODE AMPLIFICATION OUTPUT CONNECTION •...
- Page 12 DA 480-R User manual v.1 2 CHANNELS BRIDGED MODE AMPLIFICATION INPUT LEVELS ADJUSTMENT Volume adjustment for the section is made by the correspondent input channel potentiometer. IMPORTANT: Adjust input sensibility until green LED lights on. If the LED becomes red, input signal is saturated;...
- Page 13 DA 480-R User manual v.1 Page 12...
- Page 14 DA 480-R User manual v.1 3.3 Volume remote control - VCA There is one connector for each single channel on the amplifier back, where connect a potentiometer to allow volume remote control. VOLUME REMOTE CONTROL IN 4 CHANNELS AMPLIFICATION 20 / 50 KΩ...
- Page 15 DA 480-R User manual v.1 REMOTE CONTROL INTERNAL CONFIGURATION JUMPER MUTE NORMAL 0-10V (DEFAULT) REVERSE 10-0V Page 14...
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Page 16: Amplifier Configurations
DA 480-R User manual v.1 Amplifier configurations 4.1 Fault signal - FAULT There is a connector on the amplifier back for the amplified channels fault signal, both with relay contact and TTL logic output. If the amplifier is part of a safety or alarm system, the DA480-R allows setting the relay contacts with reverse logic where contact is normally closed during regular operations and will be open in case of fault. - Page 17 DA 480-R User manual v.1 FAULT SIGNAL RELAY OUTPUT INTERNAL SETTING CHANNEL JUMPER NORMAL FAULT CH1/CH2 CH1/CH2 CH3/CH4 CH3/CH4 Page 16...
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Page 18: Rs485 Serial Communication
DA 480-R User manual v.1 4.2 RS485 Serial communication DA 480-R could be connected via serial port to an RS485 communication bus, to be controlled by a master system or a computer. Because of disturbs on the serial line coming from outside, dysfunctions can occur to the master system with possible harms to the amplifier;... - Page 19 DA 480-R has the termination resistance inside, but it is disconnected. To plug it in just short circuit A and T clamps as shown in the picture.
- Page 20 DA 480-R User manual v.1 4.3 Input sensibility The amplifier has a circuit inside that allows selecting a different sensibility for the audio signal incoming to accept low output signal sources. To enable a different sensibility remove the cover and set the jumpers as shown in the following picture.
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Page 21: Hi-Pass Filter
DA 480-R User manual v.1 4.4 Hi-pass filter The amplifier has inside an hi-pass filter between the input signal section and the power amplification section, independent for each channel; this allow to directly drive the limited band speakers. To enable the filter remove the cover and set the jumpers as per the following scheme. -
Page 22: Ground-Lift
DA 480-R User manual v.1 4.5 GROUND-LIFT If there is low frequencies noise on the speakers due to ground loops, it’s advisable to set JP4 jumper to OPEN position; that means to split audio ground from chassis ground. GROUND LIFT CONFIGURATION... -
Page 23: Factory Reset
DA 480-R User manual v.1 4.6 FACTORY RESET The amplifier allows to reset all the parameters stored into the internal microchip to the original factory configuration; to enable this function remove the cover and set JP19 jumper carrying out the procedure as following:... -
Page 24: Protections
Protections 5.1 Speakers protection DA 480-R ha an output protection relay that disconnect speakers in case of amplifier fault. During boot the device makes a voltage test, checks the optimal working of the power amplifiers and, only after, speakers connector relay will be enabled. -
Page 25: Specifications
DA 480-R User manual v.1 Specifications 6.1 Technical features Mains power……………………..… : 230 Vac 50/60 Hz Consumption (during standby)….. : 1 W Mains protection………………..…. : 3,15A retard fuse. Output power per channel……….. : 80W ( 4 Ω ) 1 kHz THD+N= 0,1% Output power in BRIDGED mode.. -
Page 26: Mechanical Dimensions
DA 480-R User manual v.1 6.2 Mechanical dimensions Page 25... - Page 27 DA 480-R User manual v.1 6.3 Block diagram Page 26...
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