Manuel d'utilisation / d'entretien du produit PLX 3402 du fabricant QSC Audio
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1 ▼ PLX 1202 ▼ PLX 1602 ▼ PLX 2402 ▼ PLX 3002 ▼ PLX 3402 PLX ™ Series Amplifiers TD-000072-00 Rev. C User Manual Manuel de l’utilisateur Bedienhandbuch Manual del Usuario *TD-000072-00*.
2 Erklärung der Bildsymbole Das Blitzzeichen innerhalb eines gleichseitigen Dreiecks warnt den Benutzer vor nicht isolierter , gefährlicher Spannung im Inneren des Gerätes. Diese Spannung ist hoch genug, um Personen durch elektrischen Schlag zu gefährden.
3 Sound reinforcement ........................................... 20 Sonorisation Beschallung Sonido en vivo Instrument amplification ..................................... 21 Amplification d'instrument Instrument-Verstärkung Amplificación de instrumento TROUBLESHOOTING .
4 Declaration of Conformity QSC Audio Products, Inc. declares as its sole responsibility that the above named product is in compliance with the Council Directive 89/336/EEC of 3 May 1989 on the harmon.
5 INTRODUCTION EINFÜHRUNG INTRODUCCIÓN A V ANT -PROPOS The PLX Series Amplifiers. PowerWave TM technology and a refined audio structure combine studio-quality performance with touring-quality portability. These fan- cooled, 2-channel, 2-RU, amps provide unprecedented power in a strong, compact chassis.
6 Front panel 1. Power switch 2. Cooling vents 3. Gain control (Channel 1) 4. CLIP , -10 dB , -20 dB and SIGNAL indicator LEDs, both channels 5. Gain control (Channel 2) 6. POWER , BRIDGE , and PARALLEL indicator LEDs 7. Handles Panel frontal 1. Interruptor de encendido 2.
7 OUTPUT CLIP LIMIT ON CLIP LIMIT ON CH 1 P2 CH 2 CH 2 TIP 1/4 XLR PINOUT INPUT IMPEDANCE: 1 2K BAL ANCED INPUT PINOUTS MODE SWITCHES MODE SWITCHES CH 1 CH 2 PINOUT 1+ 1+ 2+ RNG SLV 1- 1- BRIDGE 2- P3.
8 Clip limiter WHA T IT IS When the audio signal drives the amp's output circuit beyond its power capability , it clips, flattening the peaks of the waveform. The clip limiter detects this and quickly reduces the gain to minimize the amount of overdrive.
9 Input filter WHA T IT IS The low-frequency (LF) filter rolls off signals below either 30 Hz or 50 Hz. This improves bass performance by limiting sub-audio cone motion, making more power available for the speakers' rated frequency range. The filter settings for each channel are controlled individually through the DIP switch settings shown.
10 Parallel input mode WHA T IT IS The "Parallel Input" switches let you operate the amplifier in parallel mode, delivering the same signal to both channels without using a Y-cable. Each channel drives its own speaker load, with independent gain, filtering, and clip limiting.
11 FEA TURES & SETUP Bridge mono mode WHA T IT IS Bridged mono mode combines the power of both amp channels into one speaker , resulting in twice the voltage swing, four times the peak power , and approximately three times the sustained power of a single channel.
12 Ch. 1 Ch. 1 Ch. 2 Ch. 2 Ch. 1 input Ch. 2 input Stereo, bi-amp, 2-channel FEA TURES & SETUP Ch. 1 Ch. 1 Ch. 2 Ch. 2 Ch. 1 input Ch. 2 input P arallel What are the differences among Stereo, Parallel Input, and Bridge Mono modes? STEREO MODE This is the "normal" way of using the amplifier , in which each channel is fully independent.
13 Ch. 1 Ch. 1 Ch. 2 Ch. 2 Ch. 1 input Ch. 2 input Bridged Mono FEA TURES & SETUP SEE THE ADDITIONAL BRIDGE MONO MODE WARNINGS ON P AGE 11. BRIDGE MONO MODE This mode combines the full power capabilities of both channels into a single speaker system.
14 A U D I O POWER AMPLIFIER PL X 30 32 dB 20 22 24 26 28 I8 I4 8 - 30 32 20 22 24 26 28 dB I8 I4 8 - SIGNAL POWER BRIDGE PARALLEL -20dB -IOdB CLIP 1 C H A N N E L 2 P R O 3 0 0 0 W A T T 3002 3.50" 88.9 mm 12.25" 311.2 mm 13.25" 336.6 mm 17.
15 CONNECTIONS OUTPUT CLIP LIMIT ON CLIP LIMIT ON CH 1 P2 CH 2 CH 2 TIP 1/4 XLR INPUT IMPEDANCE: 1 2K BAL ANCED INPUT PINOUTS INPUT PINOUTS MODE SWITCHES MODE SWITCHES CH 1 CH 2 PINOUT 1+ 1+ 2+ RNG SL.
16 Speakon™ Outputs The PLX amplifier offers a choice of output connections, with two Neutrik NL4MD Speakon jacks and two pairs of "touchproof" binding posts. The Speakon connector is designed specially for high-power speaker connections. It locks in place, prevents shock hazard, and assures the correct polarity.
17 Binding post outputs Ê Strip back insulation not more than 13 mm (½ inch). ➋ Insert wire fully so that none of the conductor is exposed; tighten barrel (use coin if necessary). ➌ Non-European models only . ➍ Spade lugs must have insulated barrels to prevent electric shock.
18 OPERA TION AC power switch Before applying power , check all connections and turn down the gain controls. The "soft start" sequence starts with the POWER indicator LED at half brightness.
19 OPERA TION Fan cooling The fan speed varies automatically to maintain safe internal temperatures. Keep the front and rear vents clear to allow full air flow .
20 APPLICA TIONS APPLICA TIONS ANWENDUNGS- BEISPIELE APLICACIONES PLX amp (stereo mode) Mixing board Console de mixage Mischpult Mezclador 2-way monitor Enceinte monitor deux voies Zweiweg-Aktivmonito.
21 Instrument amplification Preamp PLX amp (parallel mode) Instrument input Entrée de l’instrument Instrumentseingang Entrada del instrumento Line-level output Sortie audio niveau ligne Linepegel-Audio-Ausgang Salida de nivel de linéa Ch.
22 TROUBLESHOOTING Problem: no sound ➤ ➤ ➤ ➤ ➤ INDICA TION: POWER INDICA TOR NOT LIT • Check the AC plug. • Confirm that the AC outlet works by plugging in another device. If too many amplifiers are used on one outlet, the building's circuit breaker may trip and shut off power .
23 No sound (continued) TROUBLESHOOTING SIGNAL POWER -20dB -IOdB CLIP 1 C H A N N E L 2 SIGNAL POWER -20dB -IOdB CLIP 1 C H A N N E L 2 Pas de son (suite) ➤ ➤ ➤ ➤ ➤ INDICATION: DEL DE SIGNAL.
24 ➤ ➤ ➤ ➤ ➤ INDICA TION: CLIP INDICA TOR NOT FLASHING • This could be caused by a faulty speaker or loose connection. Check the wiring and try another speaker . • The signal source may be clipping. Keep the amplifier gain controls at least halfway up so that the source does not have to be overdriven.
25 Problem: hiss • Unplug the amplifier input to confirm that the hiss is coming from the source or a device upstream; erratic or popping noises indicate an electronic fault in the offending unit.
26 INNER WORKINGS An impressive amount of technology is packed "under the hood" of a PLX Series amplifier . Thousands of watts of power flow inches away from state-of-the-art low noise inputs. Precise circuit layout and thorough protection assure that all of this activity occurs smoothly and safely .
27 High Performance Audio . High speed power transistors convert this DC power into the full range audio output which drives the speakers. High-current design and special dual-sense output feedback corrects errors on both sides of the speaker terminals, improving damping and control of speaker motion.
28 PLX 1202 PLX 1602 PLX 2402 PLX 3002 PLX 3402 OUTPUT POWER in watts 20 Hz–20 kHz @ 0.03% THD 8 Ω per channel 2 0 0 3 0 0 4 2 5 5 5 0 7 0 0 20 Hz–20 kHz @ 0.
29 TECHNISCHE DA TEN SPECIFICA TIONS SPÉCIFICA TIONS ESPECIFICACIONES PLX 1202 PLX 1602 PLX 2402 PLX 3002 PLX 3402 LOAD PROTECTION Turn-on/turn-off muting, DC-fault power supply shutdown, clip limiti.
30 WARRANTY INFORMA TION INFORMA TIONS DE GARANTIE GARANTIE- BEDINGUNGEN INFORMACIÓN DE GARANTÍA Disclaimer QSC Audio Products, Inc. is not liable for any damage to speakers, amplifiers, or any other equipment that is caused by negligence or improper installation and/or use of the PLX amplifier .
31 ADDRESS & TELEPHONE INFORMA TION ADRESSE POST ALE ET NUMÉROS DIRECCIÓN Y TELÉFONO ANSCHRIFT UND TELEFON- NUMMERN Mailing address / Adresse postale / Postanschrift / Dirección postal: QSC Audio Products, Inc.
32 QSC Audio Products, Inc. 1675 MacArthur Boulevard Costa Mesa, California 92626 USA “QSC” and the QSC logo are registered with the U.S. Patent and T rademark Office.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté QSC Audio PLX 3402 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du QSC Audio PLX 3402 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation QSC Audio PLX 3402, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le QSC Audio PLX 3402 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le QSC Audio PLX 3402, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du QSC Audio PLX 3402.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le QSC Audio PLX 3402. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei QSC Audio PLX 3402 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
