Pro Audio Systems

• Technical Specifications

• MAX OUTPUT POWER 1)
• EIA at 1 kHz and 1% THD FTC 20-20kHz @0.1%THD
• MLS switch -3 dB 0 dB Full 0 dB Full
• 16 Ω four channels 95 W 200 W 180 W
• 8 Ω four channels 200 W 370 W 360 W
• 4 Ω four channels 380 W 590 2), 700 3) W 530 W
• 2 Ω four channels 500 2), 650 3) W N/A N/A
• 16 Ω bridged stereo 380 W 740 W 720 W
• 8 Ω bridged stereo 760 W 1200 2), 1400 3) W 1000 W
• 4 Ω bridged stereo 1000 2), 1280 3) W N/A N/A
• Max output voltage
• 8 ohms load 40 Vrms 54 Vrms
• Peak voltage, no load 60 V 81 V
• Distortion etc.
• THD 20Hz-20kHz
• and 1W to full power 0,07 %
• THD @ 1kHZ and –1dB
• under clip 0,02 %
• DIM 30 at –3dB under clip 0,008 %
• Hum and Noise <-110 dB
• Channel separation @10kHz 70 dB
• Output impedance 30 mΩ
• Slew Rate 60 V/µs
• Inputs
• Gain 32 dB
• Impedance 20 kohm
• Common mode rejection 50 dB
• Front Panel
• Gain controls (4) channel A, B, C, D 31 pos detent
• Clip Indicator (4) red LEDs
• Output headroom indicators (4x2) green LED’s Fast peak –slow release
• Protect Indicator (4) yellow LEDs 80°C at heatsink or >12Hz at full power or shorted output
• On Indicator (4) green LEDs DC rail voltage for channel A, B, C and D
• Rear Panel
• Input connectors (4) Neutrik Combo XLR type, 3 pin & 1/4” jack
• Output connectors (4) Neutrik 4-pole Speakon connectors
• Switches
• Clip limiter A and B On-Off (switchable)
• MLS switch 0, -3 dB
• Link-switch A+B / B+C / C+D
• Power 230 V version 115 V version
• Operation voltage 130 V-265 V AC 65 V – 135 V AC
• Minimum start voltage 175 V 95 V AC
• Full output power at 4ohms 200 V-265 V AC 100 V – 130 V AC
• Peak inrush current (Soft start limited) 5 A 5 A
• Current Draw @ 4ohms & 230V
• Quiescent power (no load) 1.4 Arms 2.8 Arms
• 1/8 of full power (-9dB) 6 Arms 12 Arms
• 1/3 of full power (-5dB) 9 Arms 18 Arms
• At full power (0 dB) @1 kHz 1% THD 16 Arms 32 Arms
• Net Dimensions mm (inch) 483 (19”) W x 88 (3,5”) H x 316 (12,4”) D
• Shipping Dimensions mm (inch) 560 (22”) W x 180 (7.1”) H x 500 (19.7”) D
• Net Weight 8.6 kg (19 lbs)
• Shipping Weight 10.2 kg (22.5 lbs)
• Approvals CE Emission EN 55 103-1, E3
• Immunity EN 55 103-2, E3, with S/N below 1% at normal operation level
• Safety EN 60 065, class I
• Specifications measured with 230 VAC
• Component tolerance dependent 4) Normal operation level 1/8 of full power or –9dB below clip level
• Continuous power, one channel driven or peak power both channels driven
• (Thermal protection may occur at high continuous power)
• Normal operation level 1/8 of full power or –9dB below clip level.
• Lab.gruppen reserve the right to alter functions or the specification without prior notice.

• Features

• Key Features
  
• 4 x 370 watts @ 8 Ω
  
• 4 x 380 watts @ 4 Ω
  
• 4 x 500 watts @ 2 Ω
  
• (Measured just below clip level, with all 4 channels driven)
  
• Light weight and compact: only 8.6 kg (19lbs), 2U high
  
• MLS™ Switch: Lab.gruppen’s unique power matching for different loads
  
• New Features
  
• Replaces the LAB 1200C
  
• Easily accessible dust filters
  
• Improved low-end power bandwidth
  
• Extruded front panel for increased stability
  
• Besides the traditionally superb Lab.gruppen sonic performance, there is a full line of features to make the fP family functional in all situations from installation to high performance live sound systems:
  
• Regulated switch mode power supply
  
• Today there are many lightweight, switch-mode amplifiers in the market. However, the unique Lab.gruppen switch-mode power supply technology offers a number of essential advantages that make it superior to other and seemingly similar power supply designs. The most important features are the regulated power supply and the extreme power efficiency. The regulated power supply easily deals with a very high variation in the AC mains voltage: it can drop by up to 20% below its nominal level - e.g. to 180 V instead of 230 V – without any problem. Perhaps even greater benefits result from the extreme efficiency of Lab.gruppen amplifiers: only a fraction of the energy from the AC mains is turned into heat.
  
• A regulated power supply also presents some other sonic advantages, such as better cone control and the same fast response as a conventional power supply.
  
• Sophisticated protection circuitry, combining:
  
• - ALS™ short circuit protection; the Adaptive Limiting System permits very high peak currents, but keeps the amplifier within the Safe Operation Area
  
• - DC protection; protects against infrasonic signals
  
• - VHF protection; protects the loudspeakers against strong very high frequency non-musical signals above the audible range
  
• - Thermal protection; prevents the amplifier from being overheated. The protection indicators on the front panel are switched on, as a warning, before the protection process is initiated
  
• - AC protection; shuts down the power supply if the line voltage is outside the operating voltage
  
• - Clip limiter; prevents severely clipped waveforms from reaching the loudspeakers, whilst maintaining full peak power.

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