QTX QR Series 300mm 12-inch Passive Replacement Driver
Genuine QTX 12-inch/300mm replacement driver for QR12 speakers. 200W RMS, 8 Ohms, with spade terminals. Restore your cabinet's performance.
The QTX 902.521UK is a dedicated 12-inch / 300mm replacement driver for the QR12 (178.212UK) passive loudspeaker. Designed to restore your QTX cabinet to its full performance, this high-quality driver combines robust power handling with clear, reliable sound reproduction. It's the perfect solution for repairing or upgrading your existing QTX QR series enclosures.
Engineered with a vented magnet structure for improved thermal performance and longevity, this driver can handle substantial power levels. With a maximum power rating of 400W and an RMS rating of 200W, it delivers impactful bass and mid-range frequencies, making it suitable for a wide range of vocal and music applications. The 8-ohm impedance ensures compatibility with standard amplifier outputs.
Key specifications include a large 140mm x 20mm magnet weighing 1.1kg, which provides the necessary motor force for controlled cone movement and high output. The 52mm (2-inch) voice coil is capable of handling high power transients, while the frequency response of 45Hz to 6kHz ensures a solid low-end extension and clear upper-mid definition. The high sensitivity of 98dB SPL (1W/1m) means your system will produce more sound for less amplifier power, improving overall efficiency.
Featuring durable construction and spade terminals for secure, reliable connections, this replacement driver is built for the rigours of live sound and installation use. By fitting this genuine QTX component, you ensure your speaker system maintains its original acoustic characteristics and performance integrity.
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