Earthworks 1022 ZDT  From Earthworks

2-Channel Zero Distortion Technology™ Preamplifier

Earthworks

$2,199.00

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Manufacturer's Description from Earthworks

The ZDT Zero Distortion Preamplifier™ series  is based on discrete circuitry designed by David Blackmer, establishing a new standard of sonic excellence in electronics. This exacting new standard provides frequency response from 1Hz to 200kHz +0.5dB, a rise time of 0.27 microseconds and distortion of less than 1 part per million (0.0001%), eliminating all possibility of sonic degradation. These preamps are so fast, so clean and so transparent that you don’t even know they are there. It is like plugging your microphone into a “piece of wire with gain”. You will hear clarity and detail with the ZDT preamps that is not available in any other preamp at any price.

 

Features

 ♦ Zero Distortion – less than one part per million

 ♦ High output level +30dBu

 ♦ Very low output impedance will drive long lines without interference or signal loss

 ♦ True 48 volt phantom, polarity reverse & clip indicator

 ♦ Separate XLR & 1/4” Phone (t-r-s) outputs, each with its own gain/level controls

 ♦ 1/4” phone connector output will drive balanced or unbalanced inputs

 ♦ Full differential (balanced) from XLR in to XLR out – no internal conversion to single-ended

 ♦ All discrete components; Class A amplification (no ICs in the signal path)

 ♦ Greater transparency with minimum signal path and minimum features

 

Earthworks

About Manufacturer

Earthworks was formed by David Blackmer, the inventor of dbx, to realize his vision of upgrading the entire audio chain to a new standard of sonic realism. David's goal of creating high definition tools with which to capture the sound and experience of "being there" is based upon a strong evidence that there is more to human hearing than the range of frequencies which can be heard as tones. We are convinced that audio equipment with extended frequency response and faster, cleaner time domain performance will yield more life-like results. Traditional audio methadology appears to be based on working around the limitations, imperfections, and personality quirks of the equipment, and calling the ones you like "assets". WE believe that any part of the audio chain can be improved to the point where the standard is so high that any product meeting it will be indistinguishable from any other product meeting the same standard, and that an audio system built to such standard can achieve sonic reality. This standard, for electronic equipment, is met by our Zero Distortion Technology. We support the concept of recording acoustic events accurately enough to capture the sound as it happened in the room. This approah allows you to make sonic coloration and texture choices later, when you can consider them carefully and still have recourse. Life-like accuracy is the best starting point for whatever unique coloration you may wish to add.

Specifications

Preamp Type: Solid State

Number of Channels: 2

Frequency Response: 2Hz to 100kHz ±0.1dB, 1Hz to 200kHz ±0.5dB

Impulse Response: 1.4µs

Distortion: XLR out: less than 1ppm (0.0001%); 1/4” out: 0.001%

Input Noise: 1.6nVHz½ at 20dB gain; 0.6nV/Hz½ at 60dB gain

EIN: -132dBV at 20dB gain; -143dBV at 60dB gain

Slew Rate: 22V/µs

Output DC Offset: ±1 mV typical, servo balanced

Power Requirement: 120V AC (100V and 200-240V versions available)

Input: 2 XLR Female balanced transformerless

Input Impedance: 10KΩ phantom on, 100KΩ phantom off

Outputs: 2 XLR Male balanced transformerless (stepped)
2 ¼” TRS XLR Fem. balanced transformerless (variable)

Dimensions: 1 rack space 1.75” x 19” x 10.375”

Weight: 6 lb. (2.7kg)

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