Audio Isolation Transformer - Line Level

FAQ #3120 Updated October 20, 2017


I need a one to one audio isolation transmformer, XLR in/XLRout, that can handle line level. Does Shure make one?


Shure does not.

Lundahl Tranformers, a Swedish company, offers the model LL1584-3FX3MX that meets your requirements. It is rated for 600 ohms and has a maximum signal level of +17dBu at 50Hz. Lundahl offer a variety of other transformers with different input and output connectors. U.S. agent:

Also, Radial Engineering makes one. It is the Ice Cube model IC-1.

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