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Shure A85F Transformer; Low Z, Female XLR to High Z 1/4-Inch Phone Plug
DescriptionLow- to high-impedance microphone-matching transformer
It has balanced female XLR and unbalanced high impedance male 1/4" phone plug connectors
Used to connect a balanced low-impedance microphone output to an unbalanced high impedance input on a mixer or recorder.
Country of Origin: China
The Shure A85F is a low- to high-impedance microphone-matching transformer that provides 24 dB of signal increase gain. It has balanced female XLR and unbalanced high impedance ma
Comments from forums and Reddit
Discussed in XLR to 1/4" - Adapter Versus Line Transformer in the TalkBass community
When you plug a mic into a FOH mixer, most mixers have built-in internal impedance transformers that will sense and accommodate the variations between low impedance mics and high impedance mics. Typical instrument amplifiers do not have those transformers built in -- some amps do have a MIC button you can toggle that turns ... ... more