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Palmer PLI05 Dual Channel TS/TRS Line Isolator

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RRP $219.00 Inc. GST
Your Price $117.00 Inc. GST
2 in stock
Balanced or unbalanced isn‘t the question here. BALUN stands for Balanced-Unbalanced. Thanks to the stereo TRS jacks used in the PLI05, it can cope with both balanced and unbalanced signals.
Availability: 2 in stock


The PLI05 is so to say the PLI02‘s little sister. Both boxes can be used to convert balanced to unbalanced and both use so called line  isolating transformers to realize a galvanic separation. They are connected between mains powered devices to reliably prevent ground loop hum. The PLI02 was designed for use with XLR connections and for low impedances (600 Ω).
The PLI05 on the other hand with its jack connectors is better for higher impedances. It covers a wide range from 600 Ω to over 10 kΩ. The attached diagrams for harmonic distortion, frequency- and phase characteristics demonstrate this quite clearly. To prevent loss of level make sure that your input impedance is not higher than the output impedance. Both devices are suitable for high levels of up to +20 dBu.


  • Input:
    • 2 x 6.35mm TRS Jacks
    • Input Impedance: Nominal 10 kOhm
  • Output:
    • 2 x TRS Jacks
    • Transformer ratio 1 : 1
    • Frequency Response: 30Hz - 20KHz +/- 0.5dB @ 10 kOhm source impedance
  • THD: < 0.5% @ 0dBu @ 10 kOhm source impedance
  • Housing: Aluminium die cast
  • Dimensions: 121 x 60 x 35mm
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Palmer PLI05 Manual GERMAN
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