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"The CDs and cassette tapes I ordered arrived yesterday. Thank you! I was amazed at the clarity you were able to produce from a 36-year-old reel-to-reel tape. Again, thanks! I think my grandmother, father, and uncles will be very happy to be able to listen, once again, to the tribute to my grandfather from so long ago. God bless."

Matrix

1. Generic term applied to all processing electroforms. 2. Circuit designed to mix or separate electrical signals. 3. A transformer network, in which the outputs of an M-S microphone pair are combined additively and subtractively, to produce left and right output signals for stereo reproduction.