20% Off

Earthworks 521 Single Channel Zero Distortion Technology Preamplifier for 500 Series Rack, Solid State

SKU: EW521 MFR: 521
Earn VIP Reward Points

Key Features

  • Achieve pristine sound quality with this ultra-low distortion microphone preamplifier.
  • Capture every nuance: Experience a wide 2Hz-100kHz frequency response for detailed audio.
  • Enjoy versatile connectivity with balanced XLR and 1/4" outputs on this preamp.
  • Get exceptional gain range, perfect for vocals, instruments, and critical recording tasks.
  • Experience incredibly low noise, ensuring clean recordings even at high gain settings.
  • Solid build quality ensures this 500 series preamp delivers reliable performance for years.
See More Product Details
Ships from Manufacturer?
Free Shipping

See Options

1

Protect your gear with Adorama Protect.* Learn more

2 Year

$119.99

3 Year

$154.99

5 Year

$269.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

Earthworks 521 Single Channel Zero Distortion Technology Preamplifier Specifications

  • Preamp Type

    Solid State

  • Number of Channels

    1

  • Frequency Response

    2Hz-100kHz +/- 0.1dB, 1Hz-200kHz +/- 0.5dB

  • Impulse Response

    1.4ms

  • 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/ms

  • Output DC Offset

    +/- 1 mV typical, servo balanced

  • Input / Output Connector

    500 Series EDAC Edge connector

  • XLR Input Impedance

    10 kOhms phantom on, 100 kOhms phantom off

  • Front Panel Balanced Out

    1/4" TRS XLR Fem. balanced transformerless (variable)

  • Dimensions

    1500 series rack space: 1.5 x 5.25 x 6" (3.81 x 13.33 x 15.24cm)

  • Weight

    0.8lbs (362.87g)

  • UPC Code

    827517317090

About Earthworks 521 Single Channel Zero Distortion Technology Preamplifier

The Earthworks 521 Single Channel Zero Distortion Technology Preamplifier features switchable phantom power, polarity invert and peak amplitude clip detection. The transformer less output stage of 521 ZDT lets you easily drive long cable runs without loss of quality, making it ideal for long cable runs. Transparent gain is switchable from 5dB to 60dB in 5dB steps.

The Earthworks microphone preamplifier topology provides outstanding common mode rejection, excellent overload margin and an incredibly low noise floor, combined with the ultra wide bandwidth of the ZDT Preamps and distortion of less than 1 part per million. This exceptional level of performance is maintained over an extensive range of impedances applied to the input making the 521 suitable for practically any microphone ribbon, dynamic or condenser.

Warranty Information

This product has a limited warranty of 24 months.

Product Documents

User Manual

Key Features

  • Achieve pristine sound quality with this ultra-low distortion microphone preamplifier.
  • Capture every nuance: Experience a wide 2Hz-100kHz frequency response for detailed audio.
  • Enjoy versatile connectivity with balanced XLR and 1/4" outputs on this preamp.
  • Get exceptional gain range, perfect for vocals, instruments, and critical recording tasks.
  • Experience incredibly low noise, ensuring clean recordings even at high gain settings.
  • Solid build quality ensures this 500 series preamp delivers reliable performance for years.

What's in the box:

  • Earthworks 521 Single Channel Zero Distortion Technology Preamplifier
  • Earthworks 2 Year Limited Warranty