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The Quad Elite QMP power amplifier replaces the much acclaimed 909 Mono power amp in Quad's range, building upon its predecessor's blueprint with upgraded internal components and innovative new circuitry to deliver an even higher level of audio performance.
A key part of the design of the Quad Elite QMP power amplifier, and the 909 before it, is Quad's proprietary Current Dumping technology - originally devised in the 1970s by Quad's founder Peter Walker and still one of the few truly innovative amplifier topologies. It was first introduced in the seminal Quad 405, earning that amp both a Design Council Award and The Queen's Award for Technical Achievement, and has since been refined and modernised in successive amplifiers culminating in the Quad Elite QMP power amplifier.
The Current Dumping technique adopted in the Quad Elite QMP power amplifier features an extremely high quality low output power Class A amplifier which provides the signal quality and keeps what's going out as close as possible to what's coming in from the preamp, while a very high power output amplifier delivers the muscle to keep the speakers under control. These two amplifier circuits are combined with a precision network to perfectly impose the finesse of the Class A output onto the power of the current dumper - the result is a truly captivating combination of dynamic power, vice-like grip and sumptuous sonic detail.
Whilst remaining true to the principals of Peter Walker's ingenious original design, the Quad Elite QMP power amplifier further evolves the template by fully utilising contemporary audiophile principals. The use of tight-tolerance parts in key areas guarantees consistency between channels and also between production units. Audiophile-grade components have been carefully selected from around the world for their exceptional sonic ability, and the signal path is kept as simple as possible to ensure optimal signal purity.
In developing the Quad Elite QMP power amplifier, Quad has undertaken extensive research into internal screening techniques to ensure optimal control of crosstalk and the flow of magnetic fields. New PCB layouts, screened signal paths, custom-made transformers and shielding to protect the amplifier boards from mains hum all contribute to an overall design that delivers a clean, unsullied technical performance and an excellent dynamic range.
The Quad Elite QMP power amplifier's 'green' credentials are enhanced by a standby function that consumes less than one watt of electricity. The amp may be placed into standby via a button on the front panel, or via Amp Bus: Quad's proprietary cable system that carries both balanced audio and control signals to the QMP from other Elite components, such as the Elite Pre preamplifier and Elite CDP CD player/preamp, enabling the QMP to be switched to standby via remote control. In addition to the Amp Bus inputs, RCA sockets allow connection to preamps from other brands if the user so desires.
The Quad Elite QMP power amplifier enjoys the same compact form factor and solid build of the 909, cosmetically updated with redesigned aluminium casting to allow more efficient heat flow. A specially developed modular manufacturing process uses gas-tight high-current terminals to ensure excellent quality control and perfect consistency between units in mass production.
Replaces the much acclaimed 909 mono power amp
260w into 8 ohms
Proprietary Current Dumping technology
Low-power Class A amplifier
New PCB layout
Custom-made transformers and shielding to protect the amplifier boards