• Stereo Width Controller for Mastering and Transfer, Assembled and Tested PC Board
Back by popular demand: A new compact Stereo Width Controller for audio mastering is based on designs published in the Pro Audio Design Forum. The Width Controller uses a high accuracy THAT1240 line receivers to perform audio sum and difference functions providing crosstalk performance unobtainable with conventional precision resistors. The Width Controller maintains signal in the Left and Right domains processing only Side to either add or subtract Side information providing adjustment of Stereo Width from 0 to 200%.  The final processed signal is fully mono compatible.

THAT1246 line receivers and THAT1646 OutSmarts® line drivers provide fully-balanced I/O for the left, right, and side insert inputs and outputs. 

A Width process relay allows rapid "A-B" comparison.

The construction and document thread for the Stereo Width Controller is featured in the Pro Audio Design Forum

The Stereo Width Controller is sold either as a bare PC board, a "kit" including THAT1240, THAT1246 and THAT1646 ICs, or a fully-assembled and tested module. 

For DIY builds a Mouser Electronics Project Manager bill-of-materials is available.

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Stereo Width Controller for Mastering and Transfer, Assembled and Tested PC Board

  • $199.95


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