INTERM QD-4960 4Channel AMPLIFIER 4X240W 4 OHM

1,075.00 incl. GR VAT

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Power Output Level QD4960 : 8ohm (Quad Ch)        170W 4ohm (Quad Ch)        240W 8ohm bridged mono   480W Input Sensitivity (8ohm, 1kHz)  0.775Vrms Input Impedance 20kohm Balanced Slew Rate (8ohm, Full Swing) ±30V/?sec Frequency Response (±0.5dB) 20kHz ~ 50kHz T.H.D. (f=20Hz~20kHz, Half Power) 0.03% Signal to Noise Ratio 105dB Damping Factor (8ohm, 1kHz)  100 Rasidual Noise  -85dB Channel Separation […]

 

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Power Output Level QD4960 :

8ohm (Quad Ch)        170W
4ohm (Quad Ch)        240W
8ohm bridged mono   480W

Input Sensitivity (8ohm, 1kHz)  0.775Vrms
Input Impedance 20kohm Balanced
Slew Rate (8ohm, Full Swing) ±30V/?sec
Frequency Response (±0.5dB) 20kHz ~ 50kHz
T.H.D. (f=20Hz~20kHz, Half Power) 0.03%
Signal to Noise Ratio 105dB
Damping Factor (8ohm, 1kHz)  100
Rasidual Noise  -85dB
Channel Separation (8ohm, 1kHz)  80dB
Voltage Gain (4ohm)  26dB 29dB 32dB
Power Source  100-120VAC or 220-240VAC ; 50/60Hz
(supplied AC mains transformer depends on country requirements)
Power Consumption  300W 420W 770W
Weight  11.5kg/25.3lb 15.5kg/34.2lb 17kg/37.5lb
Dimensions  482(W) x 88(H) x 369(D) mm
/19(W) x 3.5(H) x 14.5(D) in

Weight 17.00 kg

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Quick Comparison

INTERM QD-4960 4Channel AMPLIFIER 4X240W 4 OHM removeAUDAC AUDPA73 3-channel Digital Power Amplifier removeLAB GRUPPEN FP 10000Q BP POWER AMLIFIER 4Χ2100 Watt/4Ohm removeLABGRUPPEN fP 2400Q DIGITAL S.M.P.S 4X380W removeCROWN CT-475 POWER POWER AMPLIFIER 4X75W removeLD Systems LDDP4950 DEEP² Power Amplifier 4 x 810W 4 Ohm remove
NameINTERM QD-4960 4Channel AMPLIFIER 4X240W 4 OHM removeAUDAC AUDPA73 3-channel Digital Power Amplifier removeLAB GRUPPEN FP 10000Q BP POWER AMLIFIER 4Χ2100 Watt/4Ohm removeLABGRUPPEN fP 2400Q DIGITAL S.M.P.S 4X380W removeCROWN CT-475 POWER POWER AMPLIFIER 4X75W removeLD Systems LDDP4950 DEEP² Power Amplifier 4 x 810W 4 Ohm remove
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SKUQD-4960AUDPA73E008135FP 2400Q S.MCT-475LDDP4950
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Price 1,075.00 incl. GR VAT 441.43 incl. GR VAT 5,200.00 incl. GR VAT 2,914.00 incl. GR VAT 1,160.00 incl. GR VAT 803.51 incl. GR VAT
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Description
ContentPower Output Level QD4960 : 8ohm (Quad Ch)        170W 4ohm (Quad Ch)        240W 8ohm bridged mono   480W Input Sensitivity (8ohm, 1kHz)  0.775Vrms Input Impedance 20kohm Balanced Slew Rate (8ohm, Full Swing) ±30V/?sec Frequency Response (±0.5dB) 20kHz ~ 50kHz T.H.D. (f=20Hz~20kHz, Half Power) 0.03% Signal to Noise Ratio 105dB Damping Factor (8ohm, 1kHz)  100 Rasidual Noise  -85dB Channel Separation (8ohm, 1kHz)  80dB Voltage Gain (4ohm)  26dB 29dB 32dB Power Source  100-120VAC or 220-240VAC ; 50/60Hz (supplied AC mains transformer depends on country requirements) Power Consumption  300W 420W 770W Weight  11.5kg/25.3lb 15.5kg/34.2lb 17kg/37.5lb Dimensions  482(W) x 88(H) x 369(D) mm /19(W) x 3.5(H) x 14.5(D) inThe DPA series amplifi ers are digital power amplifi ers designed to meet the specializedneeds of sound contractors for Multi-Zone distributed speaker systems. They are designedin six different models of Class D power amplifi ers, divided in three different architecturesto meet the requirements for all kinds of applications. They combine the best of all features in one single series of amplifi ers, providing anoutstanding sound quality with all the known advantages of Class D Amplifi ers. Such asthe excellent effi ciency and very low heat dissipation. And due to the complete passivelycooled entity only a minimal of maintenance is needed, while ensuring maximumreliability. The small size of a single rack space make them very interesting for fi xed rack mount aswell as mobile applications. The DPA73 and DPA153 are built as two channel (Stereo) amplifi ers, with an additionalchannel for powering a subwoofer cabinet. It contains an active crossover network witha frequency of 120Hz and advanced protection circuitry which protects against DCmalfunctioning, short circuit, overheating and overload. The signal input connections are accommodated with balanced XLR connectors andsignal link through with other amplifi ers is possible using the XLR output connectors. Theoperation mode can be selected between Stereo mode, Bridge mode and Parallel mode.The output connections are accommodated with Euro-Terminal blocks.
  • Model Name / Type: DPA73 / Digital Amplifier
  • 8 ohms: 2 x 50 W + 150 W
  • 4 ohms: 2 x 75 W + 225 W
  • THD+N:
  • Signal / Noise: > 100 dB
  • Frequency Response: 20 Hz - 20 kHz
  • Power Supply: 240 V AC / 50 - 60 Hz
  • Dimensions (W x H x D): 483 x 44 x 300 mm
POWER AMPLIFIER 4 X 2100 WATT / 4Ω Very high power  and  channel density  –   •   The  four-channel  FP 10000Q delivers a  total of 10000 W  (4 x 2500 W @ 2 ohms)  in only 2U Four-channel fexibility –   •  Four channels in one cabinet increases effciency, fexibility and value  in powering monitor systems,  line arrays, and bi- or tri-amped systems. Adjacent channels bridgeable for 2- or 3-channel operation Lab.gruppen  sound  quality  –   •   FP  10000Q  amplifers maintain the impeccable sonic performance standards set by the original fP Series, with the same durability and even greater effciency NomadLink   • ®  network  ready  – Monitoring  and  control  of  key functions accessible via the  intuitive DeviceControl software and the robust, daisy-chained NomadLink® network Patented  Class  TD  amplifer  topology  –    • Road-proven  output stage delivers Class B audio quality with Class D effciency Regulated  Switch Mode  Power  Supply  (R.SMPS)  –    • Output power remains constant even with signifcant drops in the mains voltage Effcient cooling system –   •  Unique, lightweight Intercooler® cop- per cooling system dissipates more heat to allow extended peak output Adjustable parameters –   •  Selectable Gain, scalable Voltage Peak Limiter (VPL), and bridge-mode operation allow custom confgura- tion for any system or application XLR input connectors   • Heavy-duty binding post or Speakon output connectors   • Comprehensive  protection  and warning  –   •   Excessive  output current, DC, high  temperature, very high  frequency  (VHF), short circuit, open load, mains fuse protection, and soft start

High-tech in professional amplification!

The fP 2400Q is a lightweight and space-saving four-channel power amplifier, ideal for
use in high quality touring sound systems as well as in demanding permanent installations.
The fP 2400Q offers a diverse choice of applications, such as: multi-channel monitor
systems, four-channel reproduction, and compact amplification in active 2-, 3-, and 4-way
systems.
The fP 2400Q makes possibile the bridge connection of one or two of the two pairs of
channels (channel A and B and/or channel C and D). It also features Lab.gruppen?s unique
power matching solution, the MLS switch, which offers endless combinations for solving
most of the problems related to varying impedances and maximum power capacities of
loudspeakers. The latest semiconductor technology is utilized in the new ferrite Power (fP)
amplifiers.
This, together with Lab.gruppen?s proprietary copper cooling system, Intercooler?, enhances
the 2 ohms capacity. Two easily accessible dust filters on the front ensure a clean front-to-rear
airflow. Additionally, a new Bi-phase wiring scheme also increases the capacity of the switch
mode power supply. This extends the power bandwidth in the low end.

Key Features:
4 x 370 watts @ 8 ?
4 x 380 watts @ 4 ?
4 x 500 watts @ 2 ?
(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.

Model    CT475
Product Type    Amplifier
Channels    4
Sensitivity    1.4V
Rated Power Output    75W per Channel into 8 ohms
Signal to Noise Ratio (below rated power 20Hz to 20kHz, A-Weighted    110dB
Total Harmonic Distortion (THD) (full rated power, 20Hz - 20kHz)    Intermodular Distortion (from 0dB down to -40dB)    Frequency Response (at 1W into 4/8 ohms)    ± 0.5dB
Crosstalk (below rated power 20Hz to 1kHz)    > 70dB
Common Mode Rejection (20Hz to 1kHz)    > 55dB, typically > 70dB
Dimension (H x W x D)    1.75" x 19" x 14.25“
Weight    10 lbs (4.5 kg)


The new DEEP2 amp series features four class-H power amplifiers with toroidal core offering amplifying levels from 2 x 400 W till 2 x 810 W at 4 Ohm. During the development of this series we attached a great importance to the reliability and the durability of the amps in continuous operation, this is why we used exclusively high end and selected components for the construction of these products. The DEEP2 series features a Clip Limiter as well as every common protection circuit. On the rear panel you will find all the common In- and Outputs. The DEEP2 series will convince every user thanks to a dynamic and very clear sound which is perfectly adapted for Subbass applications as well as for multifunctional speakers. All models are lightweight and feature a robust steel plate housing and a very user friendly and compact design. The DEEP2 series will prove to be a profitable and reliable choice for bands, renting companies and professional users thanks to its excellent price/performance ratio.
Product type
Power Amplifiers

Type
PA Power Amplifiers

Rated ouput power (1kHz @ 4 Ohms)
4 x 810 W

Rated ouput power (1kHz @ 8 Ohms)
4 x 490 W

Rated ouput power (1kHz @ 8 Ohms, bridged)
2 x 1600 W

Output circuitry
Class H

Frequency response
20 - 20000 Hz

Total Harmonic Distortion (THD)
< 0.1 %

Signal-to-noise ratio
105 dB

Damping factor
> 400

Crosstalk
>70 dB

Gain
38 dB

Input sensitivity
0.775 V

Protection circuits
DC protection , short circuit , thermal overload

Controls
4 x volume , bridge/stereo mode selector , ground lift , mains switch (on/off)

Indicators
Limit , Power , Protect (protection circuit engaged) , Signal

Loudspeaker outputs
4

Speaker output connections
Speakon compatible

Cooling
highly efficient, automatic

Operating voltage
transformer

Operating voltage
230 V AC / 50-60 Hz

Weight
19,6 kg
 
Weight17.00 kg6.00 kg14.00 kg10.20 kg4.50 kg19.60 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 17.00 kg
Weight 6.00 kg
Weight 14.00 kg
Ohm

Weight 10.20 kg
Weight 4.50 kg
Weight 19.60 kg