Pro Co Sound DB4A Direct Box

Pro Co Sound DB4A - 4 Channel, Passive Direct Box in Rackmount Chassis

Pro Co Sound DB4A - 4 Channel, Passive Direct Box in Rackmount Chassis

B&H # PRDB4A MFR # DB4A
Pro Co Sound DB4A Direct Box

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  • 1Description

The DB-4A from Pro-Co Sound provides four independent "direct-box" channels, housed in a single space, rack-mount chassis. The unit is ideal for the electronic keyboardist and equally well suited to any application requiring the interfacing of unbalanced high-impedance equipment with balanced low-impedance mixer inputs.

The design of the DB-4A allows easy integration with any audio system. Three unbalanced, parallel-connected input/output jacks make "patching in" at virtually any stage of the signal path, a simple task. Signals may be taken straight from the instruments or from sub-mixer outputs.

The unit is housed in a durable chassis constructed from 16-gauge steel and aluminum, utilizing a "uni-box" enclosure. Internally, the specially designed transformers combine superb audio quality with generous noise rejection.

Four channel passive direct box for electric/bass guitars
Floating transformer-balanced XLR output for maximum isolation
Four independent channels for four keyboard, drum machine outputs, etc.
Three In/Out jacks per channel for convenient loop-through
Line mode handles signal levels to +34dBv
Ground lift switch eliminates hum and buzz
Rugged "uni-box" construction for super strength and shielding
Passive design requires no batteries or phantom power
UPC: 703272014354
In the Box
Pro Co Sound DB4A - 4 Channel, Passive Direct Box in Rackmount Chassis
  • Five (5) Year Warranty
  • Table of Contents
    • 1Description
    Type Passive
    Input Connections 12 x 1/4" TS phone

    Any of these may be used as an input or as a loop-through output, as long as only one source is connected to each channel

    Output Connectors 4 x XLR
    As per input
    Input Level +26dBv (instrument mode)
    +46dBv (line mode) @ 50Hz
    Output Level Not specified by manufacturer
    Controls Ground lift per channel
    Instrument/line selection switch per channel
    Frequency Response 20Hz to 20kHz, +/-0.5dB @ -15dBv output
    Noise Not specified by manufacturer
    Power Passive
    Dimensions (WxDxH) 19 x 4-3/4 x 1-3/4" (483 x 121 x 45 mm)
    Weight 4.4 lbs (1.6 kg)
    Specialties Custom-built impedance-matching transformer optimized for use with high-impedance sources such as electric guitars and basses. It is also very applicable to other unbalanced sources such as keyboard instruments
    Packaging Info
    Package Weight 4.6 lb
    Box Dimensions (LxWxH) 20.0 x 5.2 x 2.1"

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