QSC POWER LIGHT 4.0 AMPLIFIER
[PRICED PER UNIT - 1 AVAILABLE AT TIME OF LISTING]
Listing last update on June 22, 2011 - Viewed 111 times

QSC POWER LIGHT 4.0 (YOM: ?) (S#: TBD) GOOD (7-8)

FEATURES: QSC-PL 4-0 POWERLIGHT SERIES AMPLIFIERS
WITH AN UNEQUALED REPUTATION FOR SOUND QUALITY AND RELIABILITY, THE POWERLIGHT® SERIES IS A RANGE OF ADVANCED-TECHNOLOGY PROFESSIONAL AUDIO AMPLIFIERS DESIGNED FOR TOURING PROFESSIONALS. POWERLIGHTS FEATURE QSC'S EXCLUSIVE POWERLIGHT TECHNOLOGY FOR EXTRAORDINARY AUDIO PERFORMANCE, RELIABILITY AND REDUCED WEIGHT.

WITH POWERLIGHT TECHNOLOGY, POWERLIGHT AMPLIFIERS TAKE YOUR SOUND TO A WHOLE NEW LEVEL. NOT ONLY DOES IT GIVE YOU TIGHTER BASS AND CLEAN TRANSPARENT HIGHS, POWERLIGHT ALSO CUTS WASTE HEAT AND BOOSTS RELIABILITY. POWERLIGHT IS A REVOLUTIONARY SWITCHING POWER SUPPLY TECHNOLOGY THAT PROVIDES AMPLE CURRENT TO THE AUDIO POWER CIRCUITRY BY CHARGING THE SUPPLY RAILS 230,000 TIMES A SECOND THOUGH AN ULTRA-LOW IMPEDANCE CIRCUIT. SO UNLIKE AMPLIFIERS THAT USE CONVENTIONAL SUPPLIES, THE AUDIO SIGNAL IS NEVER STARVED PREMATURELY AND REMAINS CRISP AND CLEAN.

POWERLIGHT SERIES AMPLIFIERS ALSO BOAST A SET OF USEFUL FEATURES. INDIVIDUALLY SELECTABLE CLIP LIMITERS LOWER DISTORTION AND PROTECT SPEAKERS, AND A STANDBY MODE ALLOWS REMOTE AC CONTROL.

FEATURES POWERLIGHT SWITCHING TECHNOLOGY - FOR IMPROVED AUDIO PERFORMANCE HIGH EFFICIENCY, CLASS H LINEAR OUTPUT CIRCUIT LOWERS AC CURRENT CONSUMPTION AND COOLING REQUIREMENTS BY 40% OR MORE (ON SELECTED MODELS) DATAPORT FOR REMOTE COMPUTER CONTROL USER DEFEATABLE CLIP LIMITER REDUCES DISTORTION, PROTECTS SPEAKERS ADVANCED THERMAL MANAGEMENT SYSTEM FOR SUPERIOR COOLING DETENTED GAIN CONTROLS WITH 2 DB STEPS FOR EASY RESETTING COMPREHENSIVE LED STATUS ARRAYS VARIABLE SPEED FAN FOR QUIET OPERATION REMOTE AC POWER CONTROL DC, SUBSONIC AUDIO, AND THERMAL OVERLOAD PROTECTION NEUTRIK "COMBO" (XLR & 1/4") AND BARRIER BALANCED INPUT CONNECTORS

SPECIFICATIONS PL3.4 PL3.8X PL4.0 PL6.0 II
CHANNEL 1 CHANNEL 2
STEREO MODE (BOTH CHANNELS DRIVEN)
8 OHMS FTC 0.1% THD 20 HZ-20 KHZ 725 W 900 W 450 W 900 W 1150 W
8 OHMS EIA 1.0% THD 1 KHZ 750 W - - 1000 W 1300 W
4 OHMS FTC 0.1% THD 20 HZ-20 KHZ 1150 W 1400 W 800 W 1400 W 2050 W
4 OHMS EIA 1.0% THD 1 KHZ 1225 W - - 1600 W 2200 W
2 OHMS EIA 1.0% THD 1 KHZ 1700 W 2400 W 1400 W 2000 W 3500 W
BRIDGED MONO MODE
8 OHMS FTC 0.1% THD 20 HZ-20 KHZ 2300 W - - 2800 W 4400 W
4 OHMS EIA 1.0% THD 1 KHZ 3400 W - - 4000 W 7000 W
DISTORTION (SMPTE-IM) LESS THAN 0.05% LESS THAN 0.01% LESS THAN 0.01% LESS THAN 0.05% LESS THAN 0.02%
THD (TYPICAL): 4 OHMS TO 8 OHMS:
20 HZ-20 KHZ,10 DB BELOW RATED POWER.
1.0 KHZ AND BELOW, FULL RATED POWER 0.01% 0.01% 0.01% 0.01% 0.06%
DAMPING FACTOR (1 KHZ AND BELOW) GREATER THAN 500 GREATER THAN 500 GREATER THAN 500 GREATER THAN 500 GREATER THAN 2000
SIGNAL TO NOISE (20 HZ-20 KHZ) 108 DB 105 DB 105 DB 105 DB 107 DB
INPUT SENSITIVITY @ 8 OHMS (IN VRMS) 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 H (3-STEP) H (3-STEP) H (2-STEP) H (3-STEP) H (4-STEP)
COOLING (REAR TO FRONT AIRFLOW) SINGLE FAN SINGLE FAN SINGLE FAN SINGLE FAN FOUR FANS
HEIGHT (1 RU=1.75" (4.45CM)) 3 RU 3 RU 3 RU 3 RU 3 RU
WEIGHT (NET) 30 LBS
(13.6 KG) 30 LBS
(13.6 KG) 30 LBS
(13.6 KG) 30 LBS
(13.6 KG) 53 LBS
(24 KG)
120V CURRENT CONSUMPTION (1/8 POWER
PINK NOISE @ 4 OHMS) MULTIPLY CURRENT BY 0.5 FOR 230V UNITS 11.5A 15.2A 15.2A 15.2A 16A
ALL MODELS
CONNECTORS (EACH CHANNEL) INPUT: NEUTRIK "COMBO" XLR + 1/4" TRS INPUT AND BARRIER STRIP (EUROSTYLE DETACHABLE HEADERS ON PL 6.0II ONLY) OUTPUT: "TOUCH-PROOF" BINDING POSTS
FREQUENCY RESPONSE 20 HZ-20 KHZ, ± 0.15 DB/ 2 HZ-50 KHZ, +0, -3 DB (6.0II ONLY)
5 HZ-60 KHZ, +0, -3 DB (2.0HV, 3.4, AND 4.0 ONLY)
8 HZ-100 KHZ, +0, -3 DB (ALL OTHER MODELS)
INPUT IMPEDANCE 10 K OHMS UNBALANCED, 20 K OHMS BALANCED
AMPLIFIER PROTECTION FULL SHORT CIRCUIT, OPEN CIRCUIT, THERMAL, ULTRASONIC AND RF PROTECTION.
STABLE INTO REACTIVE OR MISMATCHED LOADS.
CONTROLS FRONT: AC SWITCH, CH 1 & 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
PWR-ON: GREEN LED (EACH CHANNEL)
CLIP: RED LED
LEVEL-10 DB: YELLOW LED
LEVEL-20: YELLOW LED
SIGNAL: GREEN LED
POWER REQUIREMENTS 120, 230 VAC, 50-60 HZ
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")





EXTRAS: NO MANUAL. MANUAL CAN BE OBTAINED AT

WWW.QSCAUDIO.COM/PRODUCTS/AMPS/POWERLIGHT/POWERLIGHT.HTM

MODIFICATIONS: NONE

HISTORY: USED IN CONVENTION SETTINGS

COMMENTS: NONE, FEW SRATCHES.

THIS UNIT WAS NEVER TOURED