To help the GCD-700 achieve the highest quality sound reproduction, ADCOM's engineering staff chose to use the latest Burr Brown 20-bit ladder-type D/A converters. The same ones as used in the GDA-700. Rob Ain, ADCOM's Vice President of Marketing was particularly pleased with the results. The new player sounds exceptional and surprisingly close to the stand alone digital-to-analog converters that it was based around.

The analog section features class-A biased, direct-coupled, proprietary operational amplifiers as found in ADCOM's top of the line GFP-565 Preamplifier. These help the new changer to achieve extremely low levels of noise and distortion while offering a level of musicality typically reserved for much more expensive staid alone transport and D/A converter combinations. Frequency response is flat from 20Hz to 20kHz and phase differences between channels are typically less than 0.1 degree throughout the audible frequency range.

The power supply circuit for the GCD-700 utilizes two transformers, one for the analog section and the second for the digital section. Both are housed on separate circuit board assemblies to eliminate the possibility of EMI or RF interference from contaminating the critical analog stage while supplying adequate current for both stages. Further enhancing the power supply's capability is more than 10,000 uF of filter capacitance and multiple stages of regulation to generate dean DC power supplies for the various stages of circuitry.

The GCD-700 features two sets of RCA coaxial outputs, one fixed and one variable allowing maximum flexibility. In addition, it also provides a coaxial digital output for connection to an outboard D/A converter if so desired. All RCA jacks are gold plated for maximum conductivity and resistance to corrosion. Also included on the rear panel is an eight pin DIN connector allowing full remote accessibility and system integration using our GFB-800II Music Control Center.

As with all ADCOM products the front panel is a custom extruded and anodized aluminum assembly for maximum durability. Buttons and cosmetics have been updated to complement our latest generation of products.

For added convenience the changer comes supplied with a full featured 34 key remote including volume control functions for those who choose to use the variable output. Furthermore, operational features includes full programmability, digital polarity selection, random mode, and play/exchange capability. The last feature allows the operator to change the four remaining discs while the fifth one remains playing.

ADCOM, long prominent in the design, manufacture, and marketing of high performance, high value audio components is based in East Brunswick, NJ.

Specifications subject to change without notice.

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GDA 600 Digital-to-analog converter
GDA 700 Digital-to-analog converter