מגבר 4 ערוצים מבית Lab Gruppen.
למגבר עוצמת יציאת סאונד טוטאלית של 4800W.
המגבר בנוי בצורה איכותית כיאה לחברת Lab Gruppen.

 

מפרט טכני:

 

General
Number of amplifier channels
4

Peak total output all channels driven
4800 W

Peak output voltage per channel
141 V

Max output current per channel
17.5 Arms

Max output power (all channels driven)
16 ohms
625 W

8 ohms
1000 W

4 ohms
1200 W

2 ohms
600 W

Hi-Z per ch. (all ch.’s driven): 70 Vrms / 100 V peak
1100 W

Max output power bridged
16 ohms
2000 W

8 ohms
2400 W

4 ohms
1200 W

2 ohms
Not recommended 1

Bridged per ch.: 140 Vrms / 200 V peak
1800 W

Performance
THD 20 Hz – 20 kHz at 1 W
<0.1%

THD at 1 kHz and 1 dB below clipping
<0.05%

Signal to Noise Ratio
>112 dBA

Channel separation (Crosstalk) at 1 kHz
>70 dB

Frequency response (1 W into 8 ohms) + 0 / -3 dB
6.8 Hz – 34 kHz

Input impedance
20 kOhm

Common Mode Rejection (CMR)
>50 dB, 20 Hz – 20 kHz

Output impedance @ 100 Hz
30 mOhm

Gain, Sensitivity and Limiters
VPL, selectable per ch 2
141, 118, 100, 85, 71, 59, 50, 42 V

VPL, when bridged 2 3
282, 236, 200, 170, 142, 118, 100, 84 V

Voltage Peak Limiter mode (per ch.)
Hard / Soft

Amplifier gain selectable (all channels) – rear-panel switches 3
23, 26, 29, 32, 35, 38, 41, 44 dB

Default gain
35 dB

Level adjustment (per channel)
Front-panel potentiometer, 21 position detented from -inf to

Connectors and Buttons
Input connectors (per ch.)
3-pin Phoenix, electronically balanced

Output connectors (per ch.)
Barrier strip 2-pole screw terminals

Output bridge mode
A+B and/or C+D, inputs A and C are input source

NomadLink network
On board, 2 x RJ45 connectors IN and OUT

Intelligent fans (on/off)
Yes, depending on presence of output signal

Power
Individual switches on front panel

Cooling
Two fans, front-rear airflow, temperature controlled speed

Front-panel user interface
Common
NomadLink Network; Power Average Limiter (PAL)5; Power on

Per channel
Signal present / High-impedance; -10 dB and -4 dB output signal;Voltage Peak Limiter (VPL); Current Peak Limiter (CPL): Very High Frequency (VHF); High temperature; Fault; Mute

Power
Operating voltage, 230 V / 115 V nominal
130-265 V / 65 -135 V 4

Minimum power-up voltage, 230 V / 115 V
171 V / 85 V

Power Average Limiter (PAL) 5
Yes

Power Factor Correction (PFC)
No

Soft-start / Inrush Current Draw
Yes / max. 5 A

Mains connector
230 V CE: 16 A, CEE7; 115 V ETL: 20 A / NEMA 5-20P; C16:4: 15A/NEMA 5-15P

Dimensions
Dimensions
W: 483 mm (19”), H: 88 mm (2 U), D: 343 mm (13.5”)

Weight
Weight
12 kg (26.4 lbs)

Finish
Finish
Black painted steel chassis with gray painted steel front

Approvals
Approvals
CE, ANSI/UL 60065 (ETL), CSA C22.2 NO. 60065, FCC