Lab Gruppen FP 3400 Power Amplifier  

Item #: 
127474183571877502
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The FP 3400 Power Amplifier from Lab Gruppen incorporates Lab.gruppen Class TD high efficiency amplifier design, which eliminates the heat and cooling problems found in other extreme high power amplif... Click To Read More About This Product

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Overview

The FP 3400 Power Amplifier from Lab Gruppen incorporates Lab.gruppen Class TD high efficiency amplifier design, which eliminates the heat and cooling problems found in other extreme high power amplifiers. The Class TD amplifiers maintain the same sonic quality as a traditional Class AB amplifiers. Besides the traditionally superb Lab.gruppen sonic performance, fP3400 offers a full line of important features:

Regulated switch mode power supply
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.

Multiple positions Gain switch
To meet the demands for a flexible gain structure in the system, Lab.Gruppen offers a multiple position gain switch. The maximum amplifier gain can be set to all industry standards: 20, 23, 26, 29, 32, 35, 38 and 41 dB.

Features
  • 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
  • 2 x 1100 watts @ 8 Ohms
  • 2 x 1500 watts @ 4 Ohms
  • 2 x 1700 watts @ 2 Ohms
  • (Measured just below clip level, with both channels driven)
  • Compact design, 2U high
  • Low weight,10 kg (22 lbs)
  • MLS Switch: Lab.gruppen's unique power matching for different loads
  • Multiple positions gain switch
  • Intercooler cooling system with front-to-rear airflow and easily accessible dust filters
  • Improved low-end power bandwidth
  • Link connector with XLR-type connector
  • Bridged mono outputs in one Speakon connector
  • Extruded front panel for increased stability
Specifications
  • Max output power 1) EIA EIA EIA EIA FTC
    EIA at 1 kHz and 1% THD 20”20 kHz at 0.1% THD
    MLS-switch ”5 dB ”4 dB ”2 dB 0 dB Full 0 dB Full
    16 Ohms per channel 160 W 200 W 340 W 520 W 500 W
    8 Ohms per channel 300 W 400 W 700 W 1100 W 1000 W
    4 Ohms per channel 600 W 750 W 1300 W 1500,19003) W 1450 W
    2 Ohms per channel 1200 W 1400 W 1550,19003) W 17002),30003) W 1650 W
    16 Ohms bridged 600 W 800 W 1400 W 2200 W 2000 W
    8 Ohms bridged 1200 W 1500 W 2600 W 3000,38003) W 2900 W
    4 Ohms bridged 2400 W 2800 W 3100,38003) W 34002),60003) W 3300 W

    Max output voltage
    8 ohms load,MLS @ 0 dB 52 Vrms 58 Vrms 75 Vrms 94 Vrms
    Peak voltage,no load 79 V 82 V 107 V 132 V

    Distortion etc.
    THD 20Hz-20kHz and 1W to full power 0.8 %
    THD @ 1kHZ and ”1dB under clip 0.03 %
    DIM 30 at ”3dB under clip 0.06 %

    Hum and Noise <”110 dB

    Channel separation @10kHz 70 dB

    Output impedance 60 m_

    Slew Rate 20 V/s

    Inputs
    Gain, selectable [dB] 20,23,26,29,32,35,38,41
    Impedance 20 kohm
    Common mode rejection 50 dB

    Front Panel
    Gain controls (2) channel A,B 31 pos detent
    Clip Indicator (2) red LEDs
    Output headroom indicators (10) green LEDs Fast peak”slow release
    Temp Indicator (2) yellow LEDs 80 degree C at heatsink
    VHF indicator (2) yellow LEDs >12 kHz at full power
    On Indicator (2) green LEDs DC rail voltage for
    channel A and B
    AC Indicator (1) green LED AC power present
    AFS Indicator (1) green LED Fuse saver activated

    Rear Panel
    Input connectors (2) Neutrik Combo XLR type,3 pin
    and 1/4 "jack
    Link connector (2) XLR type, 3 pin male
    Output connectors (2) Neutrik 4-pole Speakon connectors
    Switches:
    Clip limiter A and B On”Off(switchable)
    MLS switch 0,”2,”4,”5 dB
    Link-switch Ch.A”B

    Power 230 V version 115 V version
    Operation voltage 130 V”265 V AC 65 V”135 V AC
    Minimum start voltage 175 V 85 V AC
    Full output power
    at 4ohms 180 V”265 V AC 90 V”130 V AC
    Peak inrush current
    (Soft start limited) 5 A 5 A

    Current Draw @ 4ohms
    Quiescent power (no load) 1 Arms 2 Arms
    1/8 offull power (”9 dB) 5 Arms 10 Arms
    1/3 offull power (”5 dB) 11 Arms 22 Arms
    At full power (0 dB) 26 Arms 52 Arms @1 kHz 1% THD

    Net Dimensions
    mm 483 W x 88 H x 347 D
    inch 19" W X 3.5" H x 13.7"D
    Shipping Dimensions
    mm 560 W x 180 H x 500 D
    22" W x 7.1"H x 19.7 "D
    Weight
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