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PDB4

4-Channel Passive Rackmount DI

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The PDB4 is a four-channel passive DI in a 1U rackmount format. It is ideal for connecting multiple unbalanced instrument, line, or speaker signals to balanced inputs.

Each input signal is sent to a balanced, transformer-isolated XLR output and a parallel Thru jack, so it can simultaneously be connected to an amplifier on stage.

All channels feature a switchable ground lift to help eliminate hum, and switchable attenuation with up to 40 dB of gain reduction to handle high signal levels.

As a fully passive design, the PDB4 doesn’t require an external power source. Passive DIs are often a great match for powered sources such as synthesizers or guitars and basses with active preamps.

Features

  • 4 Independent Channels
  • 1/4" TRS Inputs and Thru Connectors
  • Transformer-Isolated Balanced XLR Outputs
  • Switchable Ground Lift per Channel
  • Switchable Attenuation (0 dB, -20 dB, -40 dB) per Channel
  • Passive Design - No Power Required
  • 1U Rackmount Enclosure

Specifications

Active or Passive Passive
Inputs 4x 1/4" TRS
Outputs 4x XLR
4x 1/4" TRS Thru
Input Impedance 50 kΩ
Output Impedance 600Ω
Controls Attenuator (0 dB, -20 dB, -40 dB)
Ground Lift (All per Channel)
Frequency Response 10 Hz - 50 kHz +/- 0.5 dB @ +4 dBu
Power Requirements N/A
Dimensions (HWD) 1.75 x 19 x 6
4.4 cm x 48.3 cm x 15.2 cm
Weight 6.5 lbs / 2.95 kg

Specifications subject to change without notice

image 1 PDB4 4-Channel Passive Rackmount DI
 image 2 PDB4 4-Channel Passive Rackmount DI
 image 3 PDB4 4-Channel Passive Rackmount DI
 image 4 PDB4 4-Channel Passive Rackmount DI

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Owner's Manual

The PDB4 is a four-channel passive DI in a 1U rackmount format. It is ideal for connecting multiple unbalanced instrument, line, or speaker signals to balanced inputs.

Each input signal is sent to a balanced, transformer-isolated XLR output and a parallel Thru jack, so it can simultaneously be connected to an amplifier on stage.

All channels feature a switchable ground lift to help eliminate hum, and switchable attenuation with up to 40 dB of gain reduction to handle high signal levels.

As a fully passive design, the PDB4 doesn’t require an external power source. Passive DIs are often a great match for powered sources such as synthesizers or guitars and basses with active preamps.

Features

  • 4 Independent Channels
  • 1/4" TRS Inputs and Thru Connectors
  • Transformer-Isolated Balanced XLR Outputs
  • Switchable Ground Lift per Channel
  • Switchable Attenuation (0 dB, -20 dB, -40 dB) per Channel
  • Passive Design - No Power Required
  • 1U Rackmount Enclosure

Specifications

                    
Active or Passive Passive
Inputs 4x 1/4" TRS
Outputs 4x XLR
4x 1/4" TRS Thru
Input Impedance 50 kΩ
Output Impedance 600Ω
Controls Attenuator (0 dB, -20 dB, -40 dB)
Ground Lift (All per Channel)
Frequency Response 10 Hz - 50 kHz +/- 0.5 dB @ +4 dBu
Power Requirements N/A
Dimensions (HWD) 1.75 x 19 x 6
4.4 cm x 48.3 cm x 15.2 cm
Weight 6.5 lbs / 2.95 kg

Specifications subject to change without notice