QSC PLX1104 Manuel d'utilisateur télécharger pdf (Page 12)

Specifications PLX 1104, PLX 1804

PLX 1104 PLX 1804

OUTPUT POWER (Watts)

(1)

20 - 20k Hz, 0.05% THD, 8 ohms/Ch. 310 550

1k Hz, 0.1% THD (EIA), 8 ohms/Ch. 325 600

20 - 20k Hz, 0.05% THD, 4 ohms/Ch. 500 800

1k Hz, 0.1% THD (EIA), 4 ohms/Ch. 550 900

DISTORTION, SMPTE-IM 0.02% 0.02%

FREQUENCY RESPONSE 20 - 20k Hz, ±0.5 dB, all models

SIGNAL to NOISE, unweighted, 20 - 20k Hz -108 dB -106 dB

VOLTAGE GAIN 32.5 dB 34.9 dB

INPUT SENSITIVITY, Vrms

for rated power into 8 ohms 1.18 (+3.7 dBu) 1.20 (+3.8 dBu)

OUTPUT CIRCUIT TYPE AB AB/H

INPUT IMPEDANCE 10k ohms unbalanced, 20k ohms balanced

DYNAMIC HEADROOM 2 dB at 4 ohms

DAMPING FACTOR (8 ohms) >200

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: AC circuit breaker

LED INDICATORS POWER (blue), SIGNAL (green x 2), -10 dB (green x 2), CLIP (red x 2)

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)

LOAD PROTECTION Turn-on/turn-off 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, 10.1" (25.7 cm) D (from front mounting rails, including rear support

ears)

WEIGHT

(1)

13 pounds (5.9 kg) net; 18 pounds (8.2 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

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QSC PLX1104 Manuel d'utilisateur Page 12