Specifications Plx 1104, Plx 1804 - QSC PLX 1804 User Manual

Specifications PLX 1104, PLX 1804

(1)
OUTPUT POWER (Watts)
20 - 20k Hz, 0.05% THD, 8 ohms/Ch.
1k Hz, 0.1% THD (EIA), 8 ohms/Ch.
20 - 20k Hz, 0.05% THD, 4 ohms/Ch.
1k Hz, 0.1% THD (EIA), 4 ohms/Ch.
DISTORTION, SMPTE-IM
FREQUENCY RESPONSE
SIGNAL to NOISE, unweighted, 20 - 20k Hz
EN
VOLTAGE GAIN
INPUT SENSITIVITY, Vrms
for rated power into 8 ohms
OUTPUT CIRCUIT TYPE
INPUT IMPEDANCE
DYNAMIC HEADROOM
DAMPING FACTOR (8 ohms)
AMPLIFIER PROTECTION
COOLING
CONTROLS
LED INDICATORS
CONNECTORS
LOAD PROTECTION
POWER REQUIREMENTS
DIMENSIONS
(1)
WEIGHT
(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.
12
PLX 1104
310
325
500
550
0.02%
20 - 20k Hz, ±0.5 dB, all models
-108 dB
32.5 dB
1.18 (+3.7 dBu)
AB
10k ohms unbalanced, 20k ohms balanced
2 dB at 4 ohms
>200
Short circuit, open circuit, thermal, ultrasonic and RF protection. Stable into reactive or mismatched loads
Continuously variable speed fan; back-to-front air flow through heat sink array
Front: AC POWER switch, Gain controls (each channel) 21 detents
Back: AC circuit breaker
POWER (blue), SIGNAL (green x 2), -10 dB (green x 2), CLIP (red x 2)
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)
Turn-on/turn-off muting, DC fault blocking, Clip limiting, Infrasonic filter (-3 dB at 5 Hz)
Refer to rear panel serial number label. Configured at factory for 100, 120 or 220-240 VAC, 50- 60 Hz.
19.0" (48.3 cm) W, 3.5" (8.9 cm) H, 10.1" (25.7 cm) D (from front mounting rails, including rear support
ears)
13 pounds (5.9 kg) net; 18 pounds (8.2 kg) shipping
U.S. patent no. 5767744 and patents pending
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
PLX 1804
550
600
800
900
0.02%
-106 dB
34.9 dB
1.20 (+3.8 dBu)
AB/H