LAB 300 Specification
MAX OUTPUT POWER 1)
8
Ω
stereo
4
Ω
stereo
2
Ω
stereo 3)
8
Ω
bridged
4
Ω
bridged 3)
FTC
20 Hz-20 kHz
at 0.1% THD
90 W
130 W
140 W
260 W
280 W
EIA
1 kHz
at Clip (1% THD)
100 W
150 W
160 W
300 W
320 W
IHF
Peak Power
20 ms burst
150 W
225 W
250 W
450 W
500 W
Calculated 2)
Peak Power
125 W
250 W
500 W
500 W
900 W
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 1.3 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-100 W
THD at 1kHz and 150W
DIM 30 at 50 W
CCIF (13 and 14 kHz) at 50 W
SMPTE (60 Hz and 7 kHz) at 50 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
Clip indicator
Protect indicator
Signal present
On indicator
REAR PANEL
Input connectors
Output connectors
Switches:
Gain
Link
Polarity B
Clip Limiter
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.
4 ohms
4 ohms
4 ohms
4 ohms
4 ohms
1 kHz
1 kHz
10 kHz
(2) red LED´s
(2) yellow LED´s
(2) green LED´s
(2) green LED´s
CE
0.08 %
0.03 %
0.02 %
0.02 %
0.05 %
12 Hz-50 kHz
25 V/
µ
s
0.03 ohm
<- 105 dBA
90 dB
75 dB
± 2
°
3.8
µ
s
0.775 or 1.73 Vrms
30 dB or 23 dB
20 kohms, balanced
50 dB
(2) Channel A - B
Fast peak - slow release
90 degreeC at heatzink or below 180VAC or
> 20 kHz at full power
-25dB at input
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)
30 dB or 23 dB
Tandem mono, channel A and B
Reverse polarity of channel B
On-Off
180 V - 240 V AC
230 V AC
50A
483 (19
″
) W
×
44 (1.75
″
) H
×
280 (11
″
) D
7.7 kg (17 lbs)
Emission EN 55 103-1, E3
Immunity EN 55 103-2, E3, with S/N below 1% at normal operation level
4)
Safety EN 60 065, class I
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,
SWEDEN
Telephone +46 300 168 23 FAX +46 300 142 46
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