Shure A95UF Line Matching Transformer

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0.30 LBS
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The Shure A95UF is a reversible transformer that matches low-impedance microphones to high-impedance inputs or high-impedance microphones to low-impedance inputs. The transformer permits use of very long microphone cables with either low-impedance or high-impedance microphones. The only requirement is to limit the cable to 4.6 m (15 ft) between the high-impedance end of the transformer and the low-impedance microphone or microphone input. The transformer prevents high-frequency loss, level loss, and objectionable pickup of noise or hum.

The A95UF is furnished with a Female XLR professional audio connector on the low-impedance end, and with both a standard 1/4-inch male phone plug and female phone jack adapter for the high-impedance end. Typical applications include connecting a balanced low-impedance microphone to an unbalanced high-impedance input on a mixer or recorder, and connecting a balanced mixer output to an unbalanced high-impedance input on a recorder.

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Frequency Response 20 Hz to 20 kHz. Response at 20 Hz no more than 3 dB down from flat.
Green/Orange winding: Low Z (19 to 75Ω)
Green/Yellow winding: Low Z (75 to 300Ω)
Black/Red winding: High Z (41,000Ω)
DC Resistance
Green/Orange winding: 37.5Ω
Green/Yellow winding: 75Ω
Black/Red winding: 4300Ω
Voltage Ratio
Low to High Impedance

  • +28 dB at 19Ω to 75Ω
  • +22 dB at 75Ω to 300Ω

High to Low Impedance

  • -28 dB at 19Ω to 75Ω
  • -28 dB at 75Ω to 300Ω

Case Full magnetic shield; steel with gray enamel finish
Dimensions 19 mm (0.75 in.) diameter; 89 mm (3.5 in.) long without adapters

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