QSC Audio Specifications and Manuals for QSC Stereo Amplifiers

Page 11

Specifications 4-Channel Low-Impedance Models

OUTPUT POWER (Watts)

20 - 20k Hz, 0.03% THD, 8 Ohms/Ch.

20 - 20k Hz, 0.05% THD, 4 Ohms/Ch.

1k Hz, 1.0% THD (EIA), 8 Ohms/Ch.

1k Hz, 1.0% THD (EIA), 4 Ohms/Ch.

1k Hz, 1.0% THD (EIA), 2 Ohms/Ch.

Bridge Mono, 20 - 20k Hz, 0.1% THD, 16 Ohms Bridge Mono, 20 - 20k Hz, 0.1% THD, 8 Ohms Bridge Mono, 1k Hz, 1.0% THD, 8 Ohms Bridge Mono, 1k Hz, 1.0% THD, 4 Ohms

DISTORTION, SMPTE-IM

FREQUENCY RESPONSE

SIGNAL to NOISE, unweighted, 20 - 20k Hz

VOLTAGE GAIN

INPUT SENSITIVITY, Vrms

for rated power into 8 Ohms for rated power into 4 Ohms

OUTPUT CIRCUIT TYPE

INPUT IMPEDANCE

DYNAMIC HEADROOM

DAMPING FACTOR

AMPLIFIER PROTECTION

COOLING

CONTROLSFront:

Back:

LED INDICATORS

 

CONNECTORS

Input:

 

Output:

 

Other:

LOAD PROTECTION

 

POWER REQUIREMENTS

 

DIMENSIONS

 

WEIGHT

 

CX254

CX404

170

250

250

 

 

450

450

 

340

500

500

 

 

900

900

 

<0.01%

<0.01%

EN

20 - 20k Hz, ±0.2dB at 10dB below rated output power, all models (-3dB points: 8 Hz and 100 kHz)

-106 dB

-106 dB

29.0x (29dB)

36.5x (31dB)

1.28 (+4.4dBu)

1.22 (+3.9dBu)

1.08 (+2.9dBu)

EIA: 1.16 (+3.5dBu)

AB

AB

6k ohms unbalanced, 12k ohms balanced, all models

2 dB at 4 Ohms, all models

>500 at 8 Ohms, all models

Short circuit, open circuit, thermal, ultrasonic and RF protection. Stable into reactive or mismatched loads

Continuously variable speed fan; back-to-front air flow through heat sink tunnel

AC POWER switch, gain controls (1 control per channel, 21 detents)

10-position DIP switch (1 per channel pair) with Clip Limiter (1 per Ch.), LF Filter on/off (1 per Ch.)

LF filter select: 33 or 50 Hz (1 per Ch.), Stereo/Parallel/Bridge mode selection switches (1 set per Ch. pair)

POWER (green, 1 each), SIGNAL, -10dB, -20dB (green, 1 each per Ch.), CLIP (red, 1 each per channel), BRDG and PAR (yellow, 1 each per Ch. pair)

3-pin terminal block ("euro" or "Phoenix" type)

barrier strip connectors with protective shroud, one barrier strip per Ch. pair

two QSC DataPort connectors (supports full “V1”feature set), one DataPort per Ch. pair

Turn-on/turnoff muting, AC coupling (DC fault blocking), Clip limiting.

Refer to rear panel serial number label. Configured at factory for 100, 120 or 220-240 VAC, 50- 60 Hz.

19.0" (48.3 cm) W, 3.5" (8.9 cm) H, 14" (35.6 cm) D (from front mounting rails, including rear support ears)

21 pounds (9.5 kg) net; 27 pounds (12.3 kg) shipping

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

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Contents Volt Direct Output Models CX204V 4-channel CX302V 2-channel TD-000077-00FCC Interference Statement Important Safety Precautions & Explanation of SymbolsFront Panel IntroductionUnpacking AC Mains Connection Rear PanelRack Mounting CoolingSetting Low Frequency Filters Setting the Mode SwitchesSetting Clip Limiters Selecting Stereo, Parallel, or Bridge ModeDataPort Tips Terminal Block ConnectorsDataPort InputsLoads Rated by Model OutputsLow Impedance Outputs Distributed Outputs V models, 70V/140VBrdg and PAR LED IndicatorsAbnormal indication Gain Control Security Plate Gain ControlsInput Specifications 2-Channel Low-Impedance ModelsInput SENSITIVITY, Vrms CONTROLSFrontCX254 Specifications 4-Channel Low-Impedance ModelsCX204V CX302V CX602V CX1202V Specifications 2- and 4-Channel Distributed 70V Line ModelsVAC models, multiply values shown by Thermal Loss TableCurrent Draw Table in Amperes Declaración DE LA FCC Respecto a LA Interferencia Panel frontal IntroducciónDesembalaje Conexión a la línea principal de CA Panel posteriorMontaje en bastidor EnfriamientoAjuste de los filtros de baja frecuencia Ajuste de los conmutadores de modoAjuste de los limitadores de recorte Selección del modo Estéreo, Paralelo o PuenteadoConectadores del bloque de terminales DataPortEntradas Sugerencias sobre el DataPortCargas clasificadas por modelo SalidasSalidas de baja impedancia Salidas distribuidas modelos V, 70V/140VRecorte ROJO, adyacente a las marcas de números del canal Indicadores LEDPlaca de Seguridad del Control de Ganancia Controles de GananciaCómo comunicarse con QSC Audio Products Tabla de pérdida térmicaTabla de gasto de corriente en amperios Déclaration DE LA FCC Relative AUX Interférences Précautions importantes et explication des symbolesPanneau avant IntroductionDéballage Branchement de l’alimentation secteur ~ Installation sur bâtiPanneau arrière RefroidissementRéglage des filtres basse fréquence Réglage des commutateurs de modeSélection du mode Stéréo, Parallèle ou Pont Réglage des limiteurs d’amplitudeEntrées XLR modèles à 2 canaux seulement Conseils relatifs aux connecteurs DataPortEntrées Connecteurs de bornierCharges nominales indiquées par modèle SortiesSorties à faible impédance Sorties distribuées modèles V, 70 V/140Clip ROUGE, adjacent aux numéros de canaux VoyantsCouvercle de Sécurité des Commandes de Gain Commandes de GainComment prendre contact avec QSC Audio Products Tableau de déperdition de chaleurTableau d’appel de courant en ampères FCC-HINWEIS ZU Empfangsstörungen Wichtige Sicherheitsvorkehrungen und SymbolerklärungFrontplatte EinführungAuspacken Netzanschluss RückplatteRack-Einbau KühlungEinstellen der Niederfrequenzfilter Einstellen der BetriebsartenschalterEinstellen der Clipbegrenzer Auswahl des Stereo-, Parallel- oder ÜberbrückungsmodusXLR-Eingänge nur bei 2-Kan.- Modellen EingängeTipps zum Gebrauch des DataPort KlemmenleistenanschlüsseNennlasten nach Modell AusgängeNiederohmige Ausgänge Verteilte Ausgänge „V-Modelle, 70 V/140Normalanzeige Netzschalter EIN LED leuchtet auf LED-AnzeigenVerstärkungsregler-sicherheitsplatte VerstärkungsreglerKontaktinformationen für QSC Audio Products WärmeverlusttabelleStromaufnahmetabelle in Ampere 不要堵塞通风口。 不要安装在会产生热量的设备附近,如散热器、热调节装置、炉子或者其他设备 (包括放大器)。 重要的安全注意事项和符号说明非常感谢您购买 QSC 功率放大器。请阅读以下说明,以获得产品的最佳效果。 CX 型号的连线特点: 前面板交流电源连接 后面板机架安装 设置削波限制器 设置模式切换器输入端 数据埠低阻抗输出 输出端异常显示: LED 指示灯热损表 增益控制增益控制安全板 联系 QSC Audio Products 最大电流表 (单位:安培)Page Page Mailing address
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CX302, CX1202V, CX502, CX702, CX1102 specifications

QSC Audio has established itself as a leader in professional audio solutions, and their CX series amplifiers, including the CX204V, CX254, and CX404, stand out for their performance and versatility. These amplifiers are specifically designed to meet the needs of commercial audio applications, such as in venues, corporate environments, and educational institutions.

The CX204V is a 2-channel amplifier that delivers 200 watts per channel at 4 ohms, making it ideal for smaller venues or installations that require high-quality audio without overwhelming power. One of its key features is the inclusion of built-in DSP (Digital Signal Processing) capabilities, allowing users to optimize their sound with advanced filtering and equalization options. Additionally, the amplifier supports a range of input options, including balanced XLR and 1/4-inch connectors, providing flexibility for various audio setups.

Moving to the CX254, this 2-channel amplifier boosts power output to 250 watts per channel at 4 ohms, making it suitable for larger spaces that necessitate a bit more oomph. The CX254 also includes QSC’s Power Factor Correction technology, which ensures efficient power usage and greater amplification performance, even during demanding situations. Furthermore, it features RS-232 control capabilities, providing users with remote operation options and making integration into existing audio systems seamless.

The CX404 takes things a step further with its 4-channel configuration, delivering 200 watts per channel at 4 ohms. This amplifier is particularly well-suited for multi-zone applications where audio needs to be distributed across various areas. With its advanced overheating protection and short-circuit protection features, the CX404 is built for durability and reliability, ensuring consistent performance without the risk of damage during extended use.

All three amplifiers in the CX series include QSC's innovative Class D topology, offering lightweight and compact design without sacrificing power or audio quality. The CX series is also distinguished by its robust construction, including a rugged chassis designed to withstand the rigors of installation and performance use.

In summary, the QSC Audio CX204V, CX254, and CX404 seamlessly combine power, efficiency, and versatility, making them ideal choices for a variety of commercial audio applications. Their built-in technologies, advanced features, and solid construction emphasize QSC’s commitment to delivering exceptional sound experiences.