Electro-Voice Q99, Q66, Q44, Q1212 Illustration 2.3 Balanced connection of output Daisy-Chain

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PROFESSIONAL POWER AMPLIFIER

mandatory. Otherwise, a 6 dB drop in level could result. Please also see illustration 2.11. Due to their immunity against external interference sources, such as dimmers, mains connections, HF-control lines, etc., using balanced cabling and connections is always preferable.

2, HOT

3, COLD JUMPER FROM COLD TO SHIELD

Illustration 2.2: Unbalanced connection of input

Next to its input connector, each channel provides an individual XLR-type connector (OUTPUT A or OUTPUT B), which is connected in parallel to allow for comfortably daisy-chaining the audio signal for the connection of additional audio equipment.

1, SHIELD

3, COLD 2, HOT

Illustration 2.3: Balanced connection of output (Daisy-Chain)

Owner‘s Manual 11

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Contents Page Page Professional Power Amplifier Owner‘s Manual Important Safety InstructionsIntroduction Professional Power Amplifier Rear View InstallationControls, Indicators and Connections Front ViewVentilation Mains SwitchOperating Voltage MountingLPN-Filter Selecting the Mode Of Operation and Audio Output CabelingGroundlift Anschluss Belegung Speakon Channel B Speakon Channel a ConnectorIllustration 2.3 Balanced connection of output Daisy-Chain FAN Cooling Volume ControlOperation IndicationsProfessional Power Amplifier Specifications/Technische Daten Bedienungsanleitung Hinweise zur Entsorgung/Wiederverwendung gemäß Weee Wichtige SicherheitshinweiseBeschreibung Rückseite Bedienelemente, Anzeigen und AnschlüsseFrontseite Kühlung BetriebsspannungNetzschalter EinbauLPN-Filter Low-Pass-Notch Betriebsart Mode und Verkabelung des Audio-AusgangsTypische Lautsprecherverkabelung Speakon Channel B Speakon Channel a Anschluss BelegungAbbildung 2.1 Symmetrische Beschaltung des Eingangs Lüfter BetriebEingangspegel-Regler AnzeigenQ44 Q66 Q99 Q1212 Specifications/Technische DatenBlock Diagram / Blockschaltbild Dimensions / Abmessungen Professional Power Amplifier Professional Power Amplifier Americas

Q99, Q1212, Q44, Q66 specifications

Electro-Voice is well-recognized in the audio industry for its innovative and high-quality sound reinforcement products. Among their impressive lineup, the Q series amplifiers—namely the Q44, Q66, Q1212, and Q99—stand out for their performance, durability, and versatility.

The Q44 is a reliable choice for smaller venues, featuring a lightweight design combined with a high output power of 800 watts per channel at 4 ohms. This amplifier utilizes advanced technology such as a switch-mode power supply, which enhances efficiency and reduces heat generation. The Q44 is ideal for driving passive loudspeakers, offering robust low-frequency response, and is equipped with sophisticated protection circuits to prevent damage from overload or short circuits.

The Q66 builds on the foundation of the Q44, providing higher output power at 1,000 watts per channel at 4 ohms. It is designed for medium-sized applications, whether they are live events, installations, or corporate audiovisual setups. The Q66 features a subwoofer crossover built into the device, facilitating a seamless integration of sub-bass frequencies without the need for external processing. Additionally, the amplifier's sleek front panel provides clear wattage meters and consistent feedback on performance.

For more extensive and complex sound systems, the Q1212 is a powerhouse, delivering up to 1,200 watts per channel at 4 ohms. This model boasts extensive connectivity options, including balanced XLR inputs and speakON outputs, catering to professional setups requiring flexibility. Its advanced thermal management systems ensure operational stability even in demanding environments, making it suitable for large-scale concerts and events.

The Q99 rounds out the series with a compact design that does not compromise on power. With an output of 900 watts per channel at 4 ohms, it provides ample power for various applications. Its lightweight and rack-mountable structure make the Q99 an excellent choice for mobile DJs and touring professionals. The built-in signal indicators and protection features ensure longevity and reliability, critical for on-the-go performance.

All models in the Electro-Voice Q series employ sophisticated Class-D amplification technology, notable for its high efficiency and low thermal output. This technology not only ensures clean and powerful sound but also enhances portability—making them ideal companions for both installation and live sound scenarios. With their various power outputs and features, the Q series offers a comprehensive solution for audio professionals looking to achieve exceptional sound quality.