User Manual for Pro Co Sound DB4A - 4 Channel, Passive Direct Box in Rackmount Chassis Click to enlarge the picture
Contents of the user manual for the Pro Co Sound DB4A - 4
- Product category: Direct Boxes Pro Co Sound
- Brand: Pro Co Sound
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Pro Co Sound Direct Boxes
User manual for the Pro Co Sound DB4A - 4 contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Pro Co Sound product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Pro Co Sound user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Pro Co Sound product will considerably shorten its lifespan!
Product description 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
UPC: 703272014354 In the Box Pro Co Sound DB4A - 4 Channel, Passive Direct Box in Rackmount Chassis Five (5) Year Warranty Table of Contents
- Passive design requires no batteries or phantom power
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Pro Co Sound DB4A Specs
| 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 |
| Package Weight || 4.6 lb |
| Box Dimensions (LxWxH) || 20.0 x 5.2 x 2.1" |
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