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NAMM 2013: First 500 series preamp for Earthworks

Earthworks will introduce its first 500 series module, the 521 ZDT preamp, at the 2013 NAMM show, which kicks off later today in Anaheim, California.

Earthworks will introduce its first 500 series module, the 521 ZDT preamp, at the 2013 NAMM show, which kicks off later today in Anaheim, California. The 521 ZDT brings Zero Distortion Technology (ZDT), designed by David Blackmer, to the convenient 500 series format, providing a “wire with gain” option to the 500 series rack. The solid state ZDT 521 features switchable phantom power, polarity invert, and peak amplitude clip detection, just as in the original 1021 single channel ZDT preamp. The transformerless output stage of 521 ZDT will easily drive long cable runs without loss of quality, making it ideal for remote recordings, says Earthworks. Transparent gain is switchable from 5dB to 60dB in 5dB steps. According to the company the Earthworks mic amp topology provides outstanding common mode rejection, overload margin and low noise floor, combined with the ultra wide bandwidth of the ZDT Preamps (1Hz to 200kHz +0.5dB) and distortion of less than 1 part per million (0.0001%). This level of performance is maintained over a range of impedances applied to the input, making the 521 ZDT suitable for a wide range of microphones – ribbon, dynamic or condenser. The 521 ZDT is expected to ship Spring 2013. www.earthworksaudio.com

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