BNO Acoustics TR-12: Processor

The part of a computer which actually performs task/calculations.

Hz (Hertz)
1) An abbreviation for the term Hertz (the unit of frequency).
2) Unit of frequency equivalent to the number of cycles per second.

BNO Acoustics YM-44: Full
A quality of the sound of having all frequencies present, especially the low frequencies.

TT
A trademark of Switchcraft and meaning Tiny Telephone Jack/Plug (A smaller version of the phone jack/plug).

Transformer Matrix
A device which uses transformers to take two audio channel inputs and change them to a sum signal (a mix of the signals on the two channels) and a difference signal (the mixture of the two signals with one channel phase reversed so that any signal exactly the same in both channels will be cancelled).

Keying Input (Key Input)
An input on a dynamics processing device to control the device by an external audio signal.

Quadrophonic
A sound system which uses four independent speakers (or sets of speakers). The fore-runner of today's Surround Sound. See Stereophonic.