QSC Audio PLX 1804 User Manual
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Specifications PLX 1802, PLX 2502, PLX 3102, PLX 3602
PLX 1802
PLX 2502
PLX 3102
PLX 3602
OUTPUT POWER (Watts)
(1)
20 - 20k Hz, 0.05% THD, 8 ohms/Ch.
320
425
550
725
1k Hz, 0.1% THD (EIA), 8 ohms/Ch.
330
450
600
775
20 - 20k Hz, 0.05% THD, 4 ohms/Ch.
525
675
900
1100
1k Hz, 0.1% THD (EIA), 4 ohms/Ch.
575
750
1000
1250
1k Hz, 0.1% THD (EIA), 2 ohms/Ch.
900
1250
1550
1800
Bridge Mono, 20 - 20k Hz, 0.1% THD, 8 ohms
1100
1400
1900
2500
Bridge Mono, 1k Hz, 0.1% THD, 8 ohms
1200
1500
2100
2600
Bridge Mono, 1k Hz, 1.0% THD, 4 ohms
1800
2500
3100
3600
DISTORTION, SMPTE-IM
<0.02%, all models
FREQUENCY RESPONSE
20 - 20k Hz, ±0.5 dB, all models
SIGNAL to NOISE, unweighted, 20 - 20k Hz
-107 dB
-106 dB
-107 dB
-107 dB
VOLTAGE GAIN
31.9 dB
34.0 dB
35.0 dB
35.9 dB
INPUT SENSITIVITY, Vrms
for rated power into 8 ohms
1.28 (+4.4 dBu)
1.15 (+3.4 dBu)
1.23 (+4.0 dBu)
1.25 (+4.2 dBu)
OUTPUT CIRCUIT TYPE AB
AB/H
AB/H
AB/H
INPUT IMPEDANCE
10k ohms unbalanced, 20k ohms balanced
DYNAMIC HEADROOM
2 dB at 4 ohms
DAMPING FACTOR (8 ohms)
>500
AMPLIFIER PROTECTION
Short circuit, open circuit, thermal, ultrasonic and RF protection. Stable into reactive or mismatched loads
COOLING
Continuously variable speed fan; back-to-front air flow through heat sink array
CONTROLS
Front:
AC POWER switch, Gain controls (each channel) 21 detents
Back:
Input Configuration Switch (Stereo, Parallel, Bridge), Clip Limiters (On/Off)
Subwoofer Switch (100 Hz Low Cut/Full Range/100 Hz High Cut, each channel)
LF Switch (33 Hz Low Cut/Full Range, 1 each channel)
LED INDICATORS
POWER (blue), SIGNAL (green x 2), -10 dB (green x 2), CLIP (red x 2), BRDG (amber), PAR (amber)
CONNECTORS
Input:
1/4-inch TRS and female XLR; 20k ohm balanced, 10k ohm unbalanced
Output: Speakon connectors: Ch 1, 4-wires (Ch 1 + Ch 2); Ch 2, 2-wires (Ch 2 only)
Binding posts
LOAD PROTECTION
Turn-on/turnoff muting, DC fault blocking, Clip limiting, infrasonic filter (-3 dB at 5 Hz).
POWER REQUIREMENTS
Refer to rear panel serial number label. Configured at factory for 100, 120 or 220-240 VAC, 50- 60 Hz.
DIMENSIONS
19.0" (48.3 cm) W, 3.5" (8.9 cm) H, 13.9" (35.3 cm) D (from front mounting rails, including rear support
ears)
WEIGHT
(1)
21 pounds (9.5 kg) net; 26 pounds (11.8 kg) shipping
(1) NOTE: Due to special construction to meet EN-6100, CE models may have 5-12% (0.5 dBw) less power and 1.2 lb (0.6 kg) more weight.
U.S. patent no. 5767744 and patents pending
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE