Palmer Audio LI 05 Active DI box

Symmetric or asymmetric, this is not a question with the BALUN/PLI05. BALUN stands for balanced-unbalanced. This means that, due to the TRS (stereo) jack sockets used for PLI05, both input and output can be operated symmetrically or asymmetrically. The PLI05 is the little sister of the PLI02. Both speakers can be used for converting from balanced to unbalanced, both speakers contain what are known as line isolating transformers and use for galvanic isolation. They are connected between mains-operated audio devices and thus securely eliminate earth loop hum. The PLI02 is designed for use with XLR connectors and has been designed for low impedances (600 Ohm). The PLI05, on the other hand, with jack sockets, is better suited for higher impedances. It can be operated in a wide range from 600 ohms to over 10 kOhm. To keep level losses low, the input impedance should not be less than the output impedance.

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