dbx 580 500 Series Microphone Preamp
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Description
The dbx 580 is a microphone preamp in the 500 Series module format with up to 60 dB of low-noise gain. It raises a microphone's low-level signal to a line-level output for the input of a mixer, sampler or recorder.
A variable-frequency low-cut filter and Low and High Detail EQ controls shape the tone. A 20 dB pad, polarity invert and +48 V phantom power cover a wide range of microphones, and the front-panel 1/4 in. instrument input takes an instrument directly. A VU meter and a peak LED show the level, and the module fits one slot of a 500 Series compatible power frame.
Features
- Low-noise mic preamp with up to 60 dB of gain
- Variable-frequency low-cut filter
- Low and High Detail EQ
- 20 dB pad
- Polarity invert
- +48 V phantom power
- 1/4 in. front-panel instrument input
- VU meter and peak indicator
Specifications
- Format: 500 Series module, 1 slot
- Mounting Screws: Metric and standard, included
- Input Type: Electronically balanced/unbalanced, RF filtered
- Input Impedance: 1.7k ohms
- Maximum Input Level: +15 dBu with the pad off, +35 dBu with the 20 dB pad on
- Maximum Gain: 60 dB
- CMRR: More than 60 dB, typically more than 70 dB, 20 Hz to 20 kHz
- Equivalent Input Noise: Typically -128 dBu, 150 ohm source, 22 kHz bandwidth
- Instrument Input: 1/4 in. TS, unbalanced, 500k ohms, +21 dBu maximum
- Output Type: Electronically balanced/unbalanced, RF filtered
- Output Impedance: 30 ohms balanced, 15 ohms unbalanced
- Maximum Output Level: +22 dBu
- Frequency Response: 20 Hz to 20 kHz, +0/-1 dB; under 10 Hz to 30 kHz, +0/-3 dB
- THD+Noise: Less than 0.006% typical, 20 Hz to 20 kHz, 0 dBu out
- Phantom Power: +48 V
- Power Requirements: ±16 VDC, 80 mA per rail
- Dimensions (H x W x D): 5.25 x 1.5 x 6 in. (13.34 x 3.81 x 15.24 cm)
- Weight: 1.3 lb (0.59 kg)