Palmer PLI01 Line Isolation Box


The Palmer PLI01 is a professional line isolation box for unbalanced or balanced (TRS) jack. The line isolation removes any ground loops that casue unwanted hum without affecting the audio. The PLI01 can also double as an unbalanced to balanced line converter.


Discontinued Products

Please note: This product has been discontinued.

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Mono isolation transformer (line isolator), equipped with 1/4″ TRS jack sockets at both ends for balanced and unbalanced signals. Especially suitable for eliminating ground loops that cause hum. Conversion from unbalanced to balanced is possible. A two-channel version can be found under product number PLI05. Single channel unit in a small rugged diecast box. Especially useful in guitar rack systems where multiple signal processors and preamplifiers are combined. Also eliminates noise in car hifi when used to isolate power boosters.

  • No of Channels: 1
  • Connectors: 6.35mm jack
  • Input/Output Ratio: 1 : 1
  • Ground Lift Switch: No
  • Maximum Level dBu: +10dBu
  • Nominal Impedance: 10 kOhm
  • Frequency Range +/- 1dB: 20Hz – 40KHz
  • Dimensions: 100 x 39 x 34mm
For more information, please visit the manufacturer's website.