QSC PLX1802 扩声功放

SPECIFICATIONS

PLX1802

STEREO MODE, both channels driven *

8 ohms
  FTC 20 Hz - 20 kHz 0.05% THD
  EIA 1 kHz 0.1% THD

320 W
330 W

4 ohms
  FTC 20 Hz - 20 kHz 0.05% THD
  EIA 1 kHz 0.1% THD

525 W
575 W

2 ohms EIA 1 kHz 1% THD

900 W

BRIDGE MONO MODE *

8 ohms
  20 Hz-20 kHz 0.1% THD
  EIA 1 kHz 0.1% THD

1100 W
1200 W

4 ohms 1 kHz 1% THD

1800 W

Signal to Noise (20 Hz - 20 kHz)

-107 dB

Input Sensitivity @ 8 ohms

1.28 Vrms

Gain @ 8 ohms

32 dB

Output Circuitry

AB

Distortion (SMPTE-IM)

Less than 0.02%

Typical Distortion
  1/8 rated power, 20 Hz-20 kHz
  Full rated power, 20 Hz-20 kHz

Less than 0.02%
Less than 0.02%

Frequency Response

20 Hz-20 kHz, -0.5 dB

Damping Factor

Greater than 500

Input Impedance

20k ohms balanced
10k ohms unbalanced

Input Clipping

11 Vrms (+21 dBu)

Cooling

Variable-speed fan, rear-to-front air flow

Input Connectors, each channel

3-pin XLR and 1/4" TRS balanced

Output Connectors, each channel

Neutrik® NL4 Speakon® and Touch-proof binding posts
(Both channels available on Ch 1 NL4 connector)

Rear Panel Switches

Input Configuration: Bridge/Stereo/Parallel
Clip Limiters each channel
Filters (per channel): Top 100 Hz HPF/Full/Sub 100 Hz LPF & 33 Hz HPF/Full (infrasonic)

Front Panel Controls

Detented Input Attenuator: 0 to ∞ dB
Power On/Off

Front Panel Indicators

Clip: Red LED
-10: Green LED
Signal (-35 dB): Green LED
Power: Blue LED
Parallel: Amber LED
Bridge Mono: Amber LED

PROTECTION

Amplifier Protection

Full short circuit, open circuit, thermal, infrasonic, ultrasonic, and RF protection
Stable into reactive or mismatched loads

Load Protection

On/off muting, DC-fault power supply shutdown

Infrasonic

-3 dB, 5 Hz

DC fault

Power supply shutdown

Ultrasonic

-3 dB, 85 kHz

Short Circuit

Cutback

Thermal

Muting at 90° C

Over Current

Active clip limiting
Power supply cutback

High Line

Standard +15%, survive +25%

Low Line

-33%

PHYSICAL

Dimensions
  Height
  Width
  Depth, Rack mounting surface to rear panel
  Overall Depth

3.5" (8.9 cm) 2 rack spaces
19" (48.3 cm)
12.8" (32.6 cm)
14.875" (37.9 cm)

Weight

21 lbs. (9.5 kg) net
26 lbs. (11.8 kg) shipping

Agency Approvals

CE, FCC, cUL, UL

CURRENT CONSUMPTION

PLX1802

1/8 Power (pink noise)

8 ohms
4 ohms
2 ohms

5A/120V
8.7A / 120V
13A / 120V

1/3 Power (pink noise)

8 ohms
4 ohms
2 ohms

7.7A/120V
12.3A / 120V
19.7A / 120V

Full Power

8 ohms
4 ohms
2 ohms

12.6A/120V
21.3A / 120V
33.2A / 120V

Notes

Long term, active-limited to 25A/120V