The QSC CX12T is a professional 2-channel power amplifier from the CX Series, specifically engineered for permanently installed sound systems requiring high-quality audio and versatile loading options. This three rackspace unit delivers 425 watts per channel at 8 ohms and 600 watts per channel at 4 ohms in stereo mode, with bridged output reaching 900 watts at 8 ohms. Designed to meet the specialized demands of contractors and installers, the CX12T features high-quality internal isolation transformers that enable built-in capability for driving 25V, 70V, or 100V distributed sound systems as well as direct output voice coil loads. The amplifier's flexible design allows for 25V, 70V, or 100V connection on one channel while maintaining direct connection on the other channel. For maximum versatility, it can even drive a distributed line and a low-impedance load on the same channel simultaneously. The CX12T incorporates Class H step linear complementary output circuitry with bipolar multi-rail power supplies for improved efficiency. Professional protection features include Output Averaging™ short circuit protection, thermal muting, DC-fault load grounding, and a built-in 45 Hz subsonic filter that reduces saturation of speaker transformers caused by excessively low frequencies. Please note that this unit requires repair, offering an opportunity to restore a high-quality professional amplifier at a reduced cost. Read more

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