Audio-Technica CP8201 Line Matching Transformer

Audio-Technica CP8201 Line Matching Transformer

Brand:| Model: CP8201
Overview
The Audio-Technica CP8201 microphone impedance matching transformer is designed to connect a low-impedance microphone to a high-impedance electronic input.
Highlights
  • Matches low-impedance microphones to high-impedance electronic inputs
  • Permits use of long microphone cables
  • Maintains high frequency response
  • Reduces noise pickup
Part # 
242-4776
Weight: 0.26 lbs.  
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Product Details

Audio-Technica CP8201 Line Matching Transformer

The Audio-Technica CP8201 microphone impedance matching transformer is designed to connect a low-impedance microphone to a high-impedance electronic input. The high-quality transformer solves the problem of excessive high-frequency loss and hum pickup.

Specifications: • Input impedance: 250 ohms (nominal) • Output impedance: 50,000 ohms (nominal) • Frequency response: 20-20,000 Hz • Input connector: XLRF-type • Output connector: 1/4" plug.



Audio-Technica CP8201 Line Matching Transformer
  • BrandAudio-Technica
  • ModelCP8201
  • Part Number242-4776
  • UPC042005310173
  • Product Category1/4" Phone Adapters
  • Unit of MeasureEA
  • Weight0.26 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Audio-Technica CP8201 Line Matching Transformer

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Audio-Technica CP8201 Line Matching Transformer

Could this device be used to plug into an aux send output and sent on a balanced line to a subwoofer?

See destination amp below. Right now I am converting the 1/4" output to RCA and sending it ~40ft to the sub. Picking up a little hum. I realize it will need to be converted at the sub end too. Any suggestions about that would be appreciated...
Asked by: Atlanta Bass
While it may work, this isn't the best solution and may still have related problems.You would be better off using a higher quality, shielded cable to the sub and if the hum is still present, add a ground loop isolator. This combination will help reject some of the external noise on the wire and the ground loop isolator will couple the signal to the amp without a mechanical connection for interference to pass.I have used part#265-012 in multiple installs and it is a permanent part of my kit for many years.If you are looking for a longer run then most installers use inexpensive CAT-5 and a set of passive audio baluns ( or even passive video baluns will work). Between the CAT-5, which is twisted pair and the balun would provide noise rejection as well.
Answered by: Nemisius
Date published: 2012-05-08

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