4-channel passive direct box.
The PDB4 is a four channel passive direct box that features four fully transformer isolated direct boxes in a 1U 19-inch rack mount chassis. The inputs and outputs of each of the four channels are isolated to maximize channel separation, and transformer isolation on each output helps to eliminate system ground loops. It is a rock solid, roadworthy interface that is ideal for connecting outputs of electronic musical instruments (or other audio sources) to the balanced inputs of mixer consoles and other balanced audio products. The PDB4 also allows connection of a music source to an instrument amplifier while simultaneously patching it to a mixer.
- Four Fully Isolated Channels
- Switchable Input Attenuation
- 50k Ohm Instrument/Line Input
- 50k Ohm Parallel Link Jack
- 600 Ohm XLR Output Jack
- Switchable Ground Lift
- 1U 19-inch Chassis
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PDB4 Passive Direct Box Specifications:
- Input Impedance 50k Ohm
Output Impedance 600 Ohms
Ground Lift Switchable
Input Attenuation Switchable (0dB, -20dB, -40dB)
Input Jacks ¼-inch TS unbalanced
Output Jack XLR male balanced
Frequency Response 10 Hz - 50 kHz +/- 0.5dB @ +4dBu
Chassis Type All steel black finish
Power Requirements None Totally Passive
Dimensions 1.75" x 19" x 6" (44.5mm x 483mm x 152mm)
Weight 6.5 lbs. (2.95 kg)