Audio

Lexicon Ships RX-7 Power Amplifier
By Staff
Sep 8, 2007, 09:19

Lexicon (Booth 670) is shipping the RX-7 power amplifier. Featuring 200 Watts per channel into 8 Ohms, the RX-7 was specifically designed to complement Lexicon's critically acclaimed MC series of Digital Controllers.

The RX-7 is a fully balanced power amplifier from input to output with completely symmetrical circuit design. In other words, each channel consists of two complete amplifier circuits; one driving the positive input signal and the other driving the negative input signal. With seven channels, this translates into 14 separate amplifier circuits per chassis. The advantage of this topology over single-ended designs is that it exhibits lower noise, lower distortion, immunity from stray electronic fields and anomalies in the input signal from outside interference. This results in significant audible benefits including increased overall clarity and more pronounced differences between soft and loud passages. Internally, the RX-7 utilizes two massive torroidal transformers and ample filter capacitance to ensure rock-solid low-frequency reproduction and power reserves.

The RX-7 also employs heavy-duty, chassis-mounted input and output connectors including balanced audio inputs via RCA or XLR connectors. A trigger input connector (to power on and off with the preamp/processor) allows the amplifiers to be controlled with associated components such as the Lexicon series of preamp/processors.

Equipped with advanced thermal, current, DC, and speaker protection, the RX-7 power amplifier delivers reliable and exceptional performance with most loudspeakers, including mismatched, reactive, and unusual loads. With embedded protection against short circuits, component failures, mis-wiring, and internal faults, the RX-7 represents Lexicon's next generation of power amplifiers specifically designed for the most sophisticated and demanding home theater and two-channel audiophile applications.

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