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User Manual
MAX OUTPUT POWER 1)
8 Ω stereo
4 Ω stereo
2 Ω stereo 3)
8 Ω bridged
4 Ω bridged 3)
SPEAKER PROTECTION
Each channel is fuse protected on the positive and negative power supply rails. Electronic short-circuit protection with a progressive characteristic. The output power is progressively reduced at
impedances below 1.7 ohms. The power amplifier can be run into short-circuits for a long time without damage, and is open circuit and mismatch proof.
DISTORTION
THD 20 Hz-20 kHz and 1 W-240 W
THD at 1kHz and 275W
DIM 30 at 150 W
CCIF (13 and 14 kHz) at 100 W
SMPTE (60 Hz and 7 kHz) at 150 W
POWER BANDWIDTH
Slew rate
OUTPUT IMPEDANCE
HUM AND NOISE below max power
CHANNEL SEPARATION
PHASE AND DELAY
Deviation from perfect delay 150 Hz-20 kHz
Total delay input to output at 4 ohms
INPUTS
Sensitivity, switchable for full output into 4 ohms
Gain, switchable
Impedance
Common mode rejection at 1 kHz
FRONT PANEL
Gain controls
Output display
Temp indicator
VHF indicator
On indicator
REAR PANEL
Input connectors
Output connectors
Switches:
Gain
Link
Polarity B
POWER
Operation voltage
Full output power
Peak inrush current
OVERALL DIMENSIONS
mm (inch)
WEIGHT
APPROVALS
1) Specifications measured with 230 V regulated AC
2) Calculated by using peak voltage and nominal
speaker impedance
LAB. GRUPPEN reserve the right to alter functions or
specifications without prior notice.
LAB 500 Specification
FTC
20 Hz-20 kHz
at 0.1% THD
175 W
260 W
290 W
560 W
620 W
4 ohms
4 ohms
4 ohms
4 ohms
4 ohms
1 kHz
1 kHz
10 kHz
(2) red + (10) green LED´s
(2) yellow LED´s
(2) yellow LED´s
(2) green LED´s
CE
THX version:
EIA
1 kHz
Peak Power
at Clip (1% THD)
180 W
290 W
320 W
600 W
640 W
0.08 %
0.03 %
0.02 %
0.02 %
0.05 %
10 Hz-50 kHz
40 V/ µ s
0.07 ohm
<- 105 dBA
90 dB
75 dB
± 2 °
4.1 µ s
0.775 or 1.3 Vrms
32 dB or 29 dB
20 kohms, balanced
50 dB
(2) Channel A - B
Fast peak - slow release
80_ C at heatzink
> 20 kHz at full power
DC rail voltage for channel A and B
(2) XLR type 3 pin female (pin 2+), and (2) 1/4 " jack
(2) Neutric 4-pole speakon connectors (pin 1+ output)
32 dB or 29 dB
Tandem mono, channel A and B
Reverse polarity of channel B
120 V - 260 V AC
230 V AC
83A
483 (19 " ) W
× 88 (3.5 " ) H
× 265 (10.5 " ) D
11 kg (24 lbs)
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
LAB 500t
3) Though the LAB 500 can drive a 2 ohms load, we recom-
mend you to keep the load impedance on 4 ohms or above
in professional applications, which demand large amounts
of continuous power.
4) Normal operation level 1/8 of full power or –9dB below clip point.
LAB.GRUPPEN AB ANDERSSON & BÄVHOLM
Gullregnsvägen 16, 434 44 KUNGSBACKA,
Telephone +46 300 168 23 FAX +46 300 142 46
IHF
Calculated 2)
Peak Power
20 ms burst
220 W
380 W
520 W
760 W
1040 W
SWEDEN
250 W
440 W
700 W
880 W
1400 W
4)
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