Lexicon ZX–7RX-7GX-7Power Amplifiers

Designed to power the finest home theater and music systems, Lexicon power amplifiers are engineered to perform under the most demanding conditions. They deliver tremendous dynamics along with smooth extended highs, open midrange and solid bass reproduction.

Lexicon amplifiers feature massive toroidal transformers, with ample power reserves capable of reproducing the most demanding soundtracks without compromising the details inherent in these recordings.

A requirement of high performance systems is the reproduction of subtle details and sonic nuances that bring recordings to life. These details create a much greater sense of involvement and bring the performance closer to the listener. Lexicon amplifiers are remarkably quiet and feature exceptionally high signal-to-noise ratios. Equally important, distortion is extraordinarily low, reproducing fine detail with the utmost clarity.

The ZX-7 & RX-7 feature true balanced topologies. This approach results in lower noise, lower distortion, and eliminates interference from external stray electronic fields. Music reproduction benefits from a cleaner soundstage and increased dynamics, while the presentation of subtle detail is improved appreciably due to the significantly lower noise floor. Designed for the enthusiast, Lexicon power amplifiers are the perfect complement to our award-winning Digital Controllers & Disc Transports, and are ideally suited to power the world’s finest listening systems.

GX–7 Power Amplifier shown with MC–4 Digital Controller

RX–7 Power Amplifier shown with MC–8 Digital Controller

ZX–7 Power Amplifier shown with MC–12HD Digital Controller

SPECIFICATIONS RX-7

Audio Input Connectors

7 RCA

 

 

Audio Output Connectors

7 pairs of heavy-duty, gold-plated

 

binding posts

 

 

Performance

 

Output Power

200W RMS per channel into 8 Ohms from 20Hz to 20kHz

 

300W RMS per channel into 4 Ohms from 20Hz to 20kHz

 

 

Minimum Recommended

 

Speaker Impedance

4 Ohms

 

 

Frequency Response

20Hz to 20kHz +0.1dB/-0.5dB

 

10Hz to 40kHz +0.1dB/-1.5dB

 

 

Total Harmonic

 

Distortion (THD)

Less than 0.05% at full power ratings

 

 

Signal-to-Noise Ratio

Greater than 100dB, ref 200W/8 Ohms (30kHz bandwidth)

 

 

Intermodulation

 

Distortion (IM)

Less than 0.05% at full power ratings

 

 

Crosstalk

Greater than -60dB @ 1kHz (30kHz bandwidth)

Damping Factor

Greater than 400 from 10Hz to 400Hz

Input Sensitivity

1V for 100W out @ 8 Ohms

 

 

 

Input Impedance

Minimum 10KOhms

 

 

 

Gain

Minimum 28dB

 

 

 

Other

 

 

 

 

 

Trigger Input

5 to 12 Volts DC ± 10%, 3.5mm T/S jack

 

 

 

Power Requirements

120V 60Hz 12 Amp (domestic)

 

230V 50Hz 7 Amp (export)

 

 

 

Height

7.5-inches

Width

17.2-inches

Depth

18.5-inches (including handles)

 

17.5-inches (not including handles)

 

 

Weight

105 pounds (23.1 kg)

Rack Mounting

Optional brackets are available for mounting the

 

amplifier in a standard 19-inch equipment rack.

 

Specifications are subject to change without notice.

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Lexicon specifications Lexicon ZX-7RX-7GX-7Power Amplifiers, Specifications RX-7

GX-7 specifications

The Lexicon GX-7 is a powerful multi-channel amplifier known for its exceptional audio performance and advanced technology, making it a popular choice among audiophiles and professional sound engineers. With a robust design and high-quality components, the GX-7 delivers pristine sound reproduction, ensuring every note and subtle nuance in music is faithfully represented.

One of the standout features of the Lexicon GX-7 is its seven-channel design, providing ample power to drive multiple speakers in a home theater or professional setup. With a total output power of 120 watts per channel at 8 ohms, the amplifier can easily handle demanding audio loads while maintaining clarity and detail. This capability makes the GX-7 an ideal choice for both stereo and multi-channel applications, offering versatility for various audio setups.

The GX-7 utilizes advanced Class H technology, which significantly enhances the amplifier's efficiency and thermal management. This technology allows the amplifier to operate cooler and produce less distortion compared to traditional Class A or AB amplifiers, resulting in a cleaner sound output and reduced risk of overheating during extended use. Coupled with a high current output, the GX-7 ensures dynamic transient response, making it particularly well-suited for action-packed movie soundtracks and intricate musical passages alike.

In addition to its powerful amplification, the GX-7 features a highly sophisticated signal processing capability, allowing for precise adjustments to the audio output. It includes advanced features such as adjustable gain levels, which enable users to calibrate the output to match their specific speaker configuration. Moreover, the amplifier is equipped with extensive protection circuitry, safeguarding against overloading and short circuits, thus extending the lifespan of the unit.

The design of the Lexicon GX-7 is both functional and aesthetically pleasing, featuring a sleek chassis that integrates seamlessly into any audio setup. Its robust build quality and premium finishes ensure that it can withstand the rigors of professional use while also looking impressive in a home environment. For those seeking a high-performance amplifier that prioritizes sound quality and reliability, the Lexicon GX-7 stands out as a top contender in the competitive audio market. With its combination of power, advanced technology, and exceptional audio fidelity, the GX-7 is a formidable addition to any audio system.