500 Series Vari-Z Mic Preamp Module 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.Features: 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 Specifications: 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;
