QSC Audio PL3.8x Folheto

PL3.4

PL3.8

PL4.0

PL6.0II

Stereo Mode (both channels driven)

Continuous average output power per channel

Ch 1

Ch 2

8Ω / FTC 20 Hz - 20 kHz / 0.1% THD

725 W

900 W

450 W

900 W

1150 W

8Ω / EIA 1 kHz / 0.1% THD

750 W

−

1000 W

1300 W

4Ω / FTC 20 Hz - 20 kHz / 0.1% THD

1150 W

1400 W

800 W

1400 W

2050 W

4Ω / EIA 1 kHz / 0.1% THD

1225 W

−

1600 W

2200 W

2Ω / EIA 1 kHz / 1% THD

1700 W

2400 W

1400 W

2000 W

3500 W

Bridge Mono Mode

8Ω / FTC 20 Hz - 20 kHz / 0.1% THD

2300 W

−

2800 W

4400 W

4Ω / EIA 1 kHz / 1% THD

3400 W

−

4000 W

7000 W

Distortion (SMPTE-IM)

< 0.05%

< 0.01%

< 0.05%

< 0.02%

THD (typical) 4Ω to 8Ω 20 Hz - 20 kHz, 10 dB

0.01%

0.06%

below rated power. 1.0 kHz and below. full rated power

Damping Factor (1 kHz and below)

> 500

> 2000

Signal to Noise (20 Hz - 20 kHz)

108 dB

105 dB

107 dB

Input Sensitivity at 8Ω

0.96

1.08

1.24

1.06

2.40

Voltage Gain

80x (38 dB)

49x (34 dB)

80x (38 dB)

40x (32 dB)

Output Circuitry

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

Four fans

Weight (net)

30 lbs (13.6 kg)

53 lbs (24 kg)

120 V Current Consumption

11.5 A

15.2 A

16 A

(1/8 Power Pink Noise at 4Ω)
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 6.0II 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