An apparatus by means of which the outputs of several channels can be faded up and down independently, selected individually, or combined at any desired relative volumes.
"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."