The Palmer PLI-05 (also known as the Balun Line Isolation Box) is a passive, 2-channel audio line isolator designed to eliminate ground loop hum and convert between balanced and unbalanced signals. 

Key Features & Specifications

  • Channels: 2 channels (passive transformer isolated) 
  • Connectors: 6.3 mm (1/4") TRS jack inputs and outputs on both sides 
  • Signal Compatibility: Handles both balanced and unbalanced connections using stereo TRS jacks. It can convert balanced signals to unbalanced (and vice-versa). 
  • Impedance Range: Built for higher impedances ranging from 600 Ohms to over 10 kOhms 
  • Galvanic Isolation: Uses internal line isolation transformers to separate signal paths electrically and stop mains-induced hum. 
  • Housing: Rugged die-cast aluminum with a powder-coated finish.
  • Dimensions & Weight: Measures roughly 4.7 x 2.4 x 1.4 inches (120 x 60 x 35 mm) and weighs about 0.6 lbs (0.3 kg).

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

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Listedan hour ago
ConditionGood (Used)
Good condition items function properly but may exhibit some wear and tear.Learn more
Brand
Model
  • PLI-05
Finish
  • Blue Metal
Categories
Year
  • mid 2000s

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Clearwater, FL, United States
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