Mic Preamp - 500 Series

MSRP $624.00
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The dbx 580 Microphone Preamp is the perfect partner to your microphones, providing sonically-transparent gain that will reveal the detail and audio signature of even the most esoteric microphones. It will transform their low level output signal to a high level, high current output for direct connection to the line level inputs of your mixer, sampler or any other recording medium that accepts line level, analog input.

With its modular 500 Series design, the dbx 580 delivers up to 60dB of gain, features a variable-frequency Low-Cut Filter and unique Low and High Detail Equalization Controls, a 20dB Pad, Polarity Invert, +48V Phantom Power, a Front Panel Instrument Input, VU Metering and Peak Indicator.

Add warmth and definition to your microphones with the dbx 580 Microphone Preamp!

Recommended for: Studio.


  • Premium low-noise Mic Pre with up to 60dB of gain
  • Variable-Frequency Low-Cut Filter
  • Low and High Detail Equalization
  • 20dB Pad
  • Polarity Invert
  • +48V Phantom Power
  • 1/4" Front Panel Instrument Input
  • VU Meter
  • Peak Indicator



Input Type Electronically balanced/unbalanced, RF filtered
Input Impedance 1.7kΩ
Max Input Level +15 dBu balanced or unbalanced (20dB PAD disabled) +35 dBu balanced or unbalanced (20dB PAD enabled)
Maximum Gain 60dB
CMRR >60 dB; typically >70 dB from 20 Hz – 20 kHz
Instrument Input Connector Tip-Sleeve ¼” Jack
Instrument Input Type Unbalanced
Instrument Input Impedance 500 k Ω
Max Instrument Input Level +21 dBu unbalanced
Output Type Electronically balanced/unbalanced, RF filtered
Output Impedance Balanced 30 Ohms, unbalanced 15 Ohms
Max Output Level +22dBu
EIN Typically > -128.0 dBu, 150 Ω source impedance, 22 kHz bandwidth, unweigh
Frequency Response 20Hz - 20kHz, +0/-1dB; <10Hz - 30kHz, +0/-3dB
THD+Noise <0.006% typical, 20Hz - 20kHz, 0dBu out
Power Requirements +/- 16V DC
Power Current Draw 80 mA per power rail
Power Draw 2.56 watts
Rack System Compatibility 500 Series Compatible Power-frame
Rack Space 1 Slot
Dimensions (H x W x D) 5.25” x 1.5” x 6” (13.34 cm x 3.81 cm x 15.24 cm)
Weight 1.3 lbs (0.59 kg)
Shipping Weight 1.7 lbs (0.77kg)




Mic Preamp - 500 Series

MSRP $624.00
Save $125.00!