Lab.gruppen LAB 1000 User Manual

USER MANUAL HEADLINES
Unpacking 2
Warnings 2
User responsibility 2
1. Speaker damage
2. Speaker output hazard.
3. Radio interference.
Introduction 3
1. Front panel
2. Rear panel
Installation 4
1. Mounting
2. Cooling
3. Operating voltage
4. Grounding
5. Power consumption
6. Input connections
7. Connecting speakers
Operation modes 6
1. Stereo
2. Tandem mono
3. Bridged mono
4. Stereo reverse
Operation 7
1. Operation precautions
2. Input attenuators
3. Gain switch
4. Indicators
Protections 8
1. Clip-limiter
2. Thermal protection
3. VHF protection
4. Short circuit protection
5. D.C. protection
LAB 1000
USER MANUAL
Design features 9
• Cooling
•
Safety approvals
• EMC approvals
Specifications 9
•
EMC-declaration
Appendix A 10
•
Mains voltage selection
Maintenance 10
Troubleshooting 10
Warranty and disclaimers 11
• General
• International
Technical assistance and services 11
• International
• Factory services
Unpacking
1

Lab.gruppen LAB 1000 Specifications

Power Output

max output power at 8 Ω stereo	350 W
max output power at 4 Ω stereo	550 W
max output power at 2 Ω stereo	600 W
max output power at 8 Ω bridged	1200 W
max output power at 4 Ω bridged	1300 W

Power Output (EIA)

max output power at 8 Ω stereo (EIA)	380 W
max output power at 4 Ω stereo (EIA)	600 W
max output power at 2 Ω stereo (EIA)	700 W
max output power at 8 Ω bridged (EIA)	1300 W
max output power at 4 Ω bridged (EIA)	1400 W

Calculated Peak Power

peak power at 8 Ω stereo	500 W
peak power at 4 Ω stereo	900 W
peak power at 2 Ω stereo	1300 W
peak power at 8 Ω bridged	1800 W
peak power at 4 Ω bridged	2600 W

IHF Peak Power

ihf peak power at 8 Ω stereo	450 W
ihf peak power at 4 Ω stereo	750 W
ihf peak power at 2 Ω stereo	900 W
ihf peak power at 8 Ω bridged	1500 W
ihf peak power at 4 Ω bridged	1800 W

Distortion

thd 20 Hz-20 kHz and 1 W-600 W at 4 Ω	0.08 %
thd at 1kHz and 600W at 4 Ω	0.03 %
dim 30 at 300 W at 4 Ω	0.02 %
ccif (13 and 14 kHz) at 200 W at 4 Ω	0.02 %
smpte (60 Hz and 7 kHz) at 300 W at 4 Ω	0.05 %

Power and Operating Conditions

power bandwidth	10 Hz-50 kHz
slew rate	40 V/µs
output impedance at 1 kHz	0.07 ohm
hum and noise below max power	<- 105 dBA
channel separation at 1 kHz	90 dB
channel separation at 10 kHz	75 dB

Phase and Delay

deviation from perfect delay 150 Hz-20 kHz	± 2°
total delay input to output at 4 ohms	4.1 µs
sensitivity for full output into 4 ohms	0.775 or 1.7 Vrms
gain switchable	36 dB or 29 dB
impedance	20 kohms, balanced

Power Requirements

operation voltage	120 V - 260 V AC
full output power	230 V AC
peak inrush current	83A

Dimensions and Weight

width	483 mm (19”)
height	88 mm (3.5”)
depth	355 mm (14”)
weight	18 kg (40 lbs)