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EN

Installation and user 

manual

LD 1.0 / 2.0 / 3.0

Class D loop amplifier

1-CHANNEL LOOP AMPLIFIER

LD SERIES

Summary of Contents for LD 1.0

Page 1: ...EN Installation and user manual LD 1 0 2 0 3 0 Class D loop amplifier 1 CHANNEL LOOP AMPLIFIER LD SERIES...

Page 2: ...LD Series Installation and user manual User manual 2...

Page 3: ...9 4 1 Control 9 4 2 Multi loop output 9 4 3 Front panel and adjustments 10 4 4 Rear panel and adjustments 11 4 5 Rack mounting 12 4 6 Adjustment and connection 14 4 7 Connecting two amplifiers 16 5 Se...

Page 4: ...on constraints 27 8 1 Magnetic overspill 27 8 2 Metal distortion 27 9 Information 28 9 1 Maintenance and care 28 9 2 Warranty 28 9 3 After sales service and return 28 9 4 Disposal of used electric and...

Page 5: ...ect that may occur if the alert is not observed These alerts ranked in increasing order of severity are as follows Caution Failure to follow a cautionary warning may result in property damage Warning...

Page 6: ...overspill room width etc Not taking these constraints may lead to an installation not complying with the IEC 60118 4 standard requirements It is essential to consult a loop specialist for your project...

Page 7: ...ing on the stage To prevent accidents or personal injury caused by electrical shocks never place any type of container filled with a liquid such as a vase on or around the device Never pull on the pow...

Page 8: ...room forming a loop The cable is connected to a loop amplifier connected itself to an audio source The loop amplifier convert the audio signal into electric pulses transmitted through the cable creat...

Page 9: ...ve two OUT 0 and 90 outputs and one IN input on the rear panel see Figure 5 on page 11 This feature offers the possibility of combining several amplifiers together Depending on the layout of the loops...

Page 10: ...one input adjustment Allows to control the signal of the INPUT 2 6 INPUT 1 line or microphone input adjustment Allows to control the signal of the INPUT 1 7 ON OFF power push button 8 Clip LED amplifi...

Page 11: ...1 Phoenix type terminal block 100V priority This terminal block input allows you to connect an external audio input from a 100V sound system the audio is directly recovered from the speaker s line 18...

Page 12: ...ntegrate the amplifier into the rack Amplifier ventilation Figure6 Illustration of the amplifier integration in a rack Figure 7 to maintain safe operating temperatures Insufficient ventilation may cau...

Page 13: ...lustration of an amplifier integration on a wall Figure 9 Note The OP R mounting kit is not supplied with the one channel amplifiers LD1 0 LD2 0 and LD3 0 of the LD series 4 5 3 Rack mounting two loop...

Page 14: ...es and if the configuration allows it we recommend connecting the room sound system to INPUT 2 and INPUT 3 and the security sound system to INPUT 1 4 6 4 Input and outputs jack 6 35 4 6 5 Line output...

Page 15: ...he amplifier is powered up the Power LED will light up in blue To turn the unit off press again the Power switch on the front of the amplifier again Please note that the unit goes into standby mode wh...

Page 16: ...mplifier using a 6 35mm link cable 4 Turn on the amplifiers and adjust them accordingly 4 7 2 Slave to slave Connect the OUT jack 0 or 90 of the slave loop amplifier to the IN jack of the next slave l...

Page 17: ...the next slave loop amplifier Slave Amplifier 1 2 Connect the OUT 0 socket of amplifier 1 to the IN socket of the next amplifier unit 2 3 Connect the OUT 90 socket of amplifier 2 to the IN socket of...

Page 18: ...s no special adjustment to determine the Slave amplifier only the connection arrangement will define the Slave and Master amplifiers The Master amplifier is the unit to which the audio signal at input...

Page 19: ...of 3dB is achieved in the weakest audio reception area 14 Then follow the test procedure described in the OP FSM manual to perform an installation according to the IEC 60118 4 standard 5 2 3 Final ad...

Page 20: ...f the system 6 2 Working principle 6 2 1 The magnetic field When an alternating current flows through a copper cable it generates a magnetic field The intensity of the magnetic field is directly relat...

Page 21: ...than a single loop to generate a more intense magnetic field on the surface to be covered This type of installation improves the coverage area A magnetic loop in the shape of a number 8 allows to redu...

Page 22: ...risk of feedback Virtually no external radiation Refer to page 21 to view the connection between the amplifiers for this type of configuration 22 LD Series Installation and user manual User manual Whe...

Page 23: ...nd 1 40m This position is very important to determine the power required and therefore the type of amplifier to be used to comply with the IEC 60118 4 installation standard It is important to note tha...

Page 24: ...a for a 15x10m room Data from our simulation tool Opus Smartloop 7 5 1 Perimeter loop Simple loop installation Simple loop 2D simulation Simple loop median Simple loop 3D simulation Table of cable sec...

Page 25: ...m room Data from our simulation tool Opus Smartloop 7 5 2 Cancellation loop Cancellation loop installation Cancellation loop 2D simulation Cancellation loop median Cancellation loop 3D simulation Tabl...

Page 26: ...ow system median Ultra low overflow system 3D simulation Table of cable sections In order to guarantee the compliance with the IEC 60018 4 standard during the installation of your magnetic induction l...

Page 27: ...f a loop is needed to have a total isolation zone This phenomenon of external radiation can be problematic when it is necessary to equip several contiguous rooms or for reasons of confidentiality To r...

Page 28: ...solvents Do not place the LD series amplifier where it will be exposed to full sunlight for long periods In addition it must be protected against excessive heat moisture and severe mechanical shocks N...

Page 29: ...UT 1 100V input INPUT 1 POWER SUPPLY Type Integrated Integrated Integrated Voltage 115 230V automatic 50 60 Hz 115 230V automatic 50 60 Hz 115 230V automatic 50 60 Hz Nominal power consumption at 1 Oh...

Page 30: ...tect Clip Loop Power Protect Clip Loop Metal loss correction 0 to 3 dB per octave 0 to 3 dB per octave 0 to 3 dB per octave Relay NO NC fault relay 0 5A 125Vac 1A 24VDC NO NC fault relay 0 5A 125Vac 1...

Page 31: ...31 LD Series Installation and user manual User manual...

Page 32: ...uruneplaceassiseet1 7mdebout Garderl appareil demesuretoujours la verticale Points demesure A B C D E F A1 B1 C1 D1 E1 F1 Champ magn tique dB Avantr glagesavecbruitrose R ponse en fr quences Apr sr gl...

Page 33: ...NOTES...

Page 34: ...NOTES...

Page 35: ...NOTES...

Page 36: ...36 For any additional questions please contact us OPUS TECHNOL OGIES ZI Lagrange II 9 Chemin de la Vieille Ferme 33650 MARTILLAC Tel 33 09 81 24 00 06 Fax 33 09 82 63 22 56 contact opus technologies...

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