QSC PowerLight Series Technical & Service Manual

4 QSC Audio Products, Inc.
TD-000083-00
PowerLight 6.0 II PowerLight 6.0
PFC
PowerLight 9.0
PFC
OUTPUT POWER in watts
FTC: 20 Hz–20 kHz, both channels driven
8Ω per channel 1150 (< 0.1% THD) 1400 (< 0.1% THD) 1800 (< 0.2% THD)
4Ω per channel 2050 (< 0.1% THD) 2500 (< 0.1% THD) 3200 (< 0.2% THD)
2Ω per channel 3250 (< 0.1% THD) 3250 (< 0.1% THD)
EIA: 1 kHz @ 1% THD, both channels driven
8Ω per channel 1300 1600 1950
4Ω per channel 2200 2800 3400
2Ω per channel 3500 3500 4500
Bridge Mono:
16Ω, 1 kHz, 1% THD 2600 3200 3900
8Ω, 1 kHz, 1% THD 4400 5600 6800
4Ω, 1 kHz, 1% THD 7000 7000 9000
DYNAMIC HEADROOM 0.77 dB @ 4Ω
DISTORTION
THD: 20 Hz–20 kHz (8, 4, & 2Ω @ 10 dB below rated power) < 0.06% < 0.15%
(8 & 4Ω @ FTC rated power) < 0.1% (20 Hz–20 kHz) < 0.02% (20 Hz–2 kHz) < 0.03% (20 Hz–2 kHz)
20 Hz–2 kHz (2Ω) < 0.1% (20 Hz–20 kHz @ 3250 W) < 0.02% (@ 3250 W) < 0.05% (@ 4500 W)
SMPTE-IM: < 0.02% < 0.02% < 0.02%
FREQUENCY RESPONSE 20 Hz–20 kHz, ±0.15 dB
(at 10 dB below rated output power) -3 dB points: 2 Hz and 50 kHz
DAMPING FACTOR > 2000 @ 8Ω, at 1 kHz and below
NOISE (unweighted 20 Hz to 20 kHz, below rated output) 107 dB 107 dB 107 dB
VOLTAGE GAIN 40× (32 dB)
INPUT SENSITIVITY, V RMS
full rated power @ 8Ω 2.4 v (+9.8 dBu) 2.6 v (+10.6 dBu) 3.0 v (+11.8 dBu)
full rated power @ 4Ω 2.3 v (+9.5 dBu) 2.5 v (+10.2 dBu) 3.8 v (+11.2 dBu)
INPUT IMPEDANCE 10 kΩ unbalanced
20 kΩ balanced
CONTROLS Front: AC switch, Ch. 1 and Ch. 2 gain, Ch. 1 and Ch. 2 clip limiter switches
Rear: Parallel/Stereo/Bridge switch, remote power supply enable terminals
INDICATORS each channel PROTECT: Red LED CLIP: Red LED
STANDBY: Yellow LED -10 dB: Yellow LED
POWER: Green LED -20 dB: Yellow LED
SIGNAL: Green LED
CONNECTORS Input: Active balanced; “Euro-style” terminal block; Neutrik “Combo” XLR
and ¼" (6.3 mm) TRS, tip and pin 2 positive
Output: “Touch-Proof” binding posts (60A rated) and Neutrik Speakon™ (1 per channel)
DataPort: HD 15 female connector for use with QSControl, Basis, or accessories
COOLING Four continuously variable speed fans, back-to-front air flow
AMPLIFIER PROTECTION Full short circuit, open circuit, thermal, ultrasonic, and RF protection
Stable into reactive or mismatched loads
LOAD PROTECTION Turn-on/turn-off muting,
OUTPUT CIRCUIT TYPE H: Full-bridge current cell vertical N-channel MOSFET linear output with Class H 4-step high efficiency circuit
DIMENSIONS 19.0" (48.3 cm) wide, 3.5" (8.9 cm) tall (2 rack spaces)
17.9" (45.5 cm) rack mounting to rear support ears; 19.5” (49.5 cm) overall
WEIGHT Shipping: 59 lb. (26.8 kg) 65 lb. (29.5 kg) 65 lb. (29.5 kg)
Net: 53 lb. (24.1 kg) 59 lb. (26.8 kg) 59 lb. (26.8 kg)
POWER REQUIREMENTS Available for 120 or 220–240 VAC, 50/60 Hz
POWER CONSUMPTION @ 120 VAC
(both channels driven)
Multiply currents by 0.5 for 230V units
1
Pink noise at 1/8 of full power; analogous to typical program with occasional clipping.
2
Pink noise at 1/3 of full power; analogous to typical program with heavy clipping.
3
Continuous sine wave at threshold of clipping (1% THD).
US patents pending
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
Performance Specifications
Idle
Typical
1
Full
2
Max
3
8Ω 2.5 A 10.3 A 19.3 A 39.3 A
4Ω 2.5 A 15.5 A 35.1 A 67.5 A
2Ω 2.5 A 23.8 A 47.4 A 104.7 A
Idle
Typical
1
Full
2
Max
3
8Ω 2.5 A 10.3 A 19.3 A 39.3 A
4Ω 2.5 A 15.5 A 35.1 A 67.5 A
2Ω 2.5 A 23.8 A 47.4 A 104.7 A
Idle
Typical
1
Full
2
Max
3
8Ω 2.5 A 10.3 A 19.3 A 39.3 A
4Ω 2.5 A 15.5 A 35.1 A 67.5 A
2Ω 2.5 A 23.8 A 47.4 A 104.7 A

QSC PowerLight Series Specifications

General

Channels	2
Input Impedance	20kΩ balanced, 10kΩ unbalanced
Cooling	Variable speed fan
Connectors	XLR, Speakon, binding posts
Protection	Thermal, short circuit