LEM POWERFACTOR 3 User Manual

15
Technical specifications
Technical specifications
POWER SPECIFICATIONS
POWERFACTOR 3
POWERFACTOR 5
EIAJ impulse output power
1kHz, THD maximum 1%
Both channels
2 Ohms
4 Ohms
8 Ohms
1500+1500
820+820
450+450
2500+2500
1360+1360
750+750
ELECTRICAL SPECIFICATIONS
POWERFACTOR 3
POWERFACTOR 5
INPUT SENSITIVITY
0dB (0.775V)
+11 dB (2.9V)
with internal setting
0dB (0.775V)
+X13 dB (3.6V)
with internal setting
INPUT IMPEDANCE
FREQUENCY RESPONSE
VOLTAGE GAIN
+38 dB
+26 dB with internal setting
+40 dB
+26 dB with internal setting
SLEW RATE
DAMPING FACTOR
CROSSTALK
S/N ratio
Harmonic distortion THD
Intermodulation distortion SMPTE
Intermodulation distortion DIM 100
GENERAL SPECIFICATIONS
POWERFACTOR 3
POWERFACTOR 5
PROTECTIONS
AMPLIFIER
LOUDSPEAKERS
CONTROLS
INDICATORS
CONNECTORS
INPUT
OUTPUT
POWER SUPPLY
DIMENSIONS
WEIGHT
9.5 kg
9.5 kg
483x44x450 mm (WxHxD)
<0.02% from 0.1W to full power (typical <0.01%)
ON/OFF switch
Input level control for each channel
SIGNAL LEVEL: 2 x 10-LED bar
PROTECT: 2 red LEDs
HI-FREQ: 2 yellow LEDs
SIGNAL: 2 green LEDs
ON/READY: 1 green LED
TEMP: 1 red LED
1 XLR-F + 1 XLR-M in parallel for each channel
1 4-way SPEAKON for each channel
see label on the apparatus
Short circuit
Thermal protection
Reactive load driving capability
AC and DC protection
ON/OFF MUTE
VHF protection
Long-term output power limiting
CLIP LIMITER
50 V/µs (input filter by-passed)
100Hz = 400, 10kHz = 400
10 kOhms (balanced)
10÷40000 Hz (-0.5dB)
-90 dB
-100 dB
<0.5% from 0.1W to full power (typical <0.1%)
<0.5% from 0.1W to full power (typical <0.1%)

LEM POWERFACTOR 3 Specifications

General

Brand	LEM
Model	POWERFACTOR 3
Category	Amplifier
Language	English