Directed Audio 200/500 User Manual

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POWER OUTPUT: 155 watts per channel continuous from20Hz to 20kHz. 1kHz total harmonic distortion typically 0.6% at 155 watts, below 0.03% at 1 watt.Ap

FREQUENCY RESPONSE:Line: +/-.3dB 2Hz to 80kHz; : -3dB 0.8Hz to 220KHzPhono: +/- 0.1dB of RIAA 10Hz to 20KHz, +/-0.4dB 5Hz to 80KHz Headphone: +/-0.05d

POWER OUTPUT: 75 watts per channel continuous from 20Hz to 20kHz. 1 kHz total harmonic distortion typically 1.5% at 75 watts, .05% at 1 watt. Appro

In 1970, William Zane Johnson founded Audio Research from a simple notion - that ‘the [vacuum] tube is simply a better device for audio.’ More than fo

Press ReleaseAudio Research proudly introduces the G-series of vacuum-tube electronics, in homage to the great astronomer and scientist Galileo Galile

Called ‘the father of modern astronomy’, Galileo Galilei was a scientist, astronomer, mathematician and philosopher - a man in search of new worlds an

‘Bill Johnson still remains my greatest inspiration today.’ Ward Fiebiger, Head of Engineering, has been with Audio Research since 1978, first startin

Great products always show a great personality. And, when you deal with iconic brands, you need to respect them, not to fear them. You need to analyze

Audio Research introduces the G-Series, an homage to the great astronomer and scientist Galileo Galilei and a new exploration into the past of Audio R

G150 Power AmplifierAn amplifier is the workhorse of any system - it is responsible for receiving small signals from a preamplifier or source componen

The GSPre is the nerve center of a system - not only directing signals and providing attenuation, but also interpreting and deciphering complex signal

A preamplifier, amplifier, phono stage, and digital to analog converter all in one chassis, the GSi75 combines with your favorite speaker to deliver a