QSC Audio PL4.0 Stereo Amplifier User Manual


 
PL3.4 PL3.8
x
PL4.0 PL6.0II
Stereo Mode (both channels driven) Continuous average output power per channel
Ch 1 Ch 2
8 / FTC 20 Hz - 20 kHz / 0.1% THD 725 W 900 W 450 W 900 W 1150 W
8 / EIA 1 kHz / 0.1% THD 750 W 1000 W 1300 W
4 / FTC 20 Hz - 20 kHz / 0.1% THD 1150 W 1400 W 800 W 1400 W 2050 W
4 / EIA 1 kHz / 0.1% THD 1225 W 1600 W 2200 W
2 / EIA 1 kHz / 1% THD 1700 W 2400 W 1400 W 2000 W 3500 W
Bridge Mono Mode
8 / FTC 20 Hz - 20 kHz / 0.1% THD 2300 W 2800 W 4400 W
4 / EIA 1 kHz / 1% THD 3400 W 4000 W 7000 W
Distortion (SMPTE-IM) < 0.05% < 0.01% < 0.05% < 0.02%
THD (typical)
4 to 8 20 Hz - 20 kHz, 10 dB 0.01% 0.01% 0.01% 0.06%
below rated power. 1.0 kHz and below. full rated power
Damping Factor (1 kHz and below) > 500 > 500 > 500 > 2000
Signal to Noise (20 Hz - 20 kHz) 108 dB 105 dB 105 dB 107 dB
Input Sensitivity at 8
0.96 1.08 1.24 1.06 2.40
Voltage Gain 80x (38 dB) 80x (38 dB) 49x (34 dB) 80x (38 dB) 40x (32 dB)
Output Circuitry Class H (3-tier) Class H (3-tier) Class H (2-tier) Class H (3-tier) Class H (4-tier)
Cooling (Variable speed fans, rear-to-front air flow) Single fan Single fan Single fan Four fans
Weight (net) 30 lbs (13.6 kg) 30 lbs (13.6 kg) 30 lbs (13.6 kg) 53 lbs (24 kg)
120 V Current Consumption 11.5 A 15.2 A 15.2 A 16 A
(1/8 Power Pink Noise at 4
)
Multiply current by 0.5 for 230 V units
Connectors (each channel) Input: Neutrik “Combo” XLR + 1/4" / TRS input and barrier strip Output: “Touch proof” binding posts
Frequency Response 20 Hz – 20 kHz / ±0.15 dB
PL 6.0II: 2 Hz - 50 kHz / +0, -3 dB
PL3.4 and PL4.0: 5 Hz – 60 kHz / +0, -3 dB
PL3.8: 8 Hz – 100 kHz / +0, -3 dB
Input Impedance 10k ohm unbalanced / 20k ohm balanced
Amplifier Protection Full short circuit, open circuit, thermal, ultrasonic, RF protection. Stable into reactive or mismatched loads
Controls Front: AC switch / Ch.1 and Ch.2 gain knobs / Ch.1 and Ch.2 clip limiter switches
Rear: Parallel - Stereo - Bridge switch / Remote AC Control terminal strip
Load Protection On/off muting / DC-fault power supply shutdown
Indicators Prot: Red LED / Standby: Yellow LED / Power-On: Green LED /
Clip: Red LED / Signal: Green LED / Level -10 dB: Yellow LED / Level -20 dB: Yellow LED (each channel)
Power Requirements 120 / 230 Vac / 50 - 60 Hz
Power Connectors 30 A twist lock (PL3.8x, PL4.0, PL6.0II) / 15 A edison (PL3.4)
Export versions have removable IEC connectors
Dimensions 19.0" (48.3 cm) rack mounting (all models) / 17.9" (45.5 cm) deep behind front mounting rails (all models)
Overall depth on PL 6.0
II 19.5" Height: 5.25" (13.3 cm) 3 RU
* at 0.2% THD; ** EIA 1.0% THD 1 kHz
PowerLight Series
Specifications
qscaudio.com
Specifications subject to change without notice.
1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174
PowerLight Spec Sheet 02/08/06