Lab.gruppen LAB 1300C User Manual
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Lab.gruppen LAB 1300C User Manual

Lab.gruppen lab 1300c: user guide
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Table of Contents

USER MANUAL HEADLINES
Unpacking 2
Warnings
2
User responsibility 2
1. Speaker damage
2. Speaker output hazard.
3. Radio interference.
Introduction
1. Front panel
2. Rear panel
Installation
1. Mounting
2. Cooling
3. Operating voltage
4. Grounding
5. Power consumption
6. Input connections
7. Connecting speakers
Operation modes
1. Stereo
2. Tandem mono
3. Bridged mono
4. Stereo reverse
Operation
1. Operation precautions
2. Powering up -Soft start
3.
Input attenuators
4. Gain switch
5. Indicators
Protections
1.
Clip-limiter
2. Thermal protection
3. VHF protection
4. Short circuit protection
5. AC mains voltage protection
6. D.C. protection
LAB 1300C

USER MANUAL

3
4
7
7
8
Design features
•
Cooling
•
Light weight
•
Regulated power supply
•
Safety approvals
•
EMC approvals
Specifications
•
EMC-declaration
Appendix A
•
Mains voltage selection
Maintenance
Troubleshooting
Warranty and disclaimers
•
General
•
International
Technical assistance and services 12
•
International
•
Factory services
9
10
11
11
11
12
1

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Summary of Contents for Lab.gruppen LAB 1300C

  • Page 1: User Manual

    4. Gain switch 5. Indicators Protections Clip-limiter 2. Thermal protection 3. VHF protection 4. Short circuit protection 5. AC mains voltage protection 6. D.C. protection LAB 1300C USER MANUAL Design features • Cooling • Light weight • Regulated power supply •...

  • Page 2: User Responsibility

    Unpacking Carefully open the shipping carton and check for any noticeable damage. Every LAB.GRUPPEN amplifier is tested and inspected before leaving the factory and should arrive in perfect condition. If found to be damaged, notify the shipping company immediately. Only the consignee may institute a claim with the carrier, for damage incurred during shipping.

  • Page 3: The Front Panel

    Introduction Thank you for purchasing a LAB.GRUPPEN power amplifier. This manual contains important information on operating your amplifier correctly and safely. Please take some time and read this manual to familiarize yourself with the amplifier. The front panel Figure 1. Front panel...

  • Page 4: Installation

    Cooling Your amplifier uses forced air cooling system to maintain a low and even operating temperature. All LAB.GRUPPEN amplifier, which ventilated, have front to rear cooling. There are several reasons for this, one is that there's usually...
  • Page 5 AC line cord. MAX OUTPUT POWER 8 ohms LAB 1300C 4 ohms 2 ohms note 1 Mean power with music as program source The amplifier driven to clip level Table 1.

  • Page 6: Operation Modes

    Figure 4. TRS phone plug The input impedance is high enough (20 kohms balanced) to allow ”daisy-chaining”, or multiple parallel input connections. To daisy chain, use the TRS jacks provided on each channel. The input circuits also have a high enough headroom, to accept the maximum output level from virtually any low level signal source.

  • Page 7: Operation

    Never connect either output terminal to ground or in parallel. The recommended minimum nominal impedance, for stereo or tandem operation, is 2 ohms per channel. Tandem mono For tandem ( dual channel-single input) operation , depress the Link switch. Both channels can now be driven by a signal, at either input connector.

  • Page 8: Protection Features

    0 dB for full power in 4 ohms. Protection features Each LAB.GRUPPEN amplifier has many advanced protection features, that will protect both the amplifier and the speakers connected to it, should a fault condition arise.
  • Page 9 Design features Cooling The LAB.GRUPPEN amplifier runs very cool due to a patented heat sink called Intercooler output devices (bi-polar) are mounted directly on a copper heat sink thereby avoiding thermal losses...

  • Page 10: Emc-Declaration

    AC line conditions. Safety approvals LAB.GRUPPEN amplifiers are designed to meet the IEC65, a stringent electrical safety approval from the International Electro-technical Commission. The IEC65 is recognized world-wide with most countries having an equivalent.

  • Page 11: Appendix A Mains Voltage Selection

    Appendix A Mains voltage selection LAB 1300C is normally shipped for 230 volt AC operation only. For export there is a 115/230 volt AC option available. To check if the amplifier is equipped with this option, please follow these steps: 1.

  • Page 12: Warranty And Disclaimers

    Technical assistance and services • International If your LAB.GRUPPEN product needs repair, contact your LAB.GRUPPEN dealer or distributor, or contact LAB.GRUPPEN by fax, to obtain the location of the nearest authorised service centre. • Factory services In the event that your LAB.GRUPPEN product...

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