Lab.gruppen LAB 1000 User Manual
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Lab.gruppen LAB 1000 User Manual

Lab.gruppen lab 1000: 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.
Input attenuators
3. Gain switch
4. Indicators
Protections
1.
Clip-limiter
2. Thermal protection
3. VHF protection
4. Short circuit protection
5. D.C. protection
Unpacking

USER MANUAL

3
4
6
7
8
LAB 1000
Design features
• Cooling
•
Safety approvals
•
EMC approvals
Specifications
•
EMC-declaration
Appendix A
•
Mains voltage selection
Maintenance
Troubleshooting
Warranty and disclaimers
•
General
•
International
Technical assistance and services 11
•
International
•
Factory services
9
9
10
10
10
11
1

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Summary of Contents for Lab.gruppen LAB 1000

  • Page 1: User Manual

    Input attenuators 3. Gain switch 4. Indicators Protections Clip-limiter 2. Thermal protection 3. VHF protection 4. Short circuit protection 5. D.C. protection Unpacking LAB 1000 USER MANUAL Design features • Cooling • Safety approvals • EMC approvals Specifications • EMC-declaration Appendix A •...

  • Page 2: User Responsibility

    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 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 1/3 of full power according to the FTC-standard. At Table 1. MAX OUTPUT POWER 8 ohms LAB 1000 4 ohms 2 ohms note 1 Mean power with music as program source The amplifier driven to clip level The current draw can be calculated by dividing the mains input power by the mains voltage.

  • Page 6: Operation Modes

    Figure 5. Rear panel connectors Do not use XLR and TRS jacks on the same channel simultaneously for mixing or other purposes. Figure 6. Balanced line To connect an unbalanced source, tie pin 3 (ring on TRS jack) down to the shield of the connector. If you leave one pin disconnected, you will lose 6 dB in gain.

  • Page 7: Operation

    level attenuators are active, allowing you to set different levels for each channel. Never connect either output terminal to ground or in parallel. Bridged mono To bridge the amplifier, depress the Link switch (6) and Phase reverse switch (5). Both channels are then driven by a single signal at either input.

  • Page 8: Protection Features

    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 Indicators The two bottom green ”ON” LEDs indicate that the output circuits are receiving the correct rail voltage.

  • Page 9: Emc-Declaration

    When cool air hits the geometric fins of the Intercooler produced thereby enabling efficient cooling. 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 10: Appendix A Mains Voltage Selection

    Appendix A Mains voltage selection LAB 1000 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 11: 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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