BNO Acoustics Speakers: Spot Erase

The action or function of erasing a very small segment of one track (or several tracks) of a multitrack recording by disengaging the normal tape drive system while the machine is in record; the engineer moves the tape by hand or by using a shuttle control.

Boom Stand
A microphone stand equipped with a telescoping support arm to hold the microphone.

BNO Acoustics GK-3: Infinite Baffle
A baffle so large that the sounds coming from one side do not reach the other side.

BNO Acoustics SQ-9: Producer
The 'director' of an audio recording project responsible to get a final product of desired quality within a budget.

Track Signal
The signal sent to or coming back from one track of a multitrack tape recorder.

M
1) This is the Greek letter "mu", which is actually a forerunner of the English "M", however, the lower-case "u" is often used in place of it because of it's similar appearance.
2) This symbol is used for micro- (one millionth).
3) m s means two microseconds which is 2/1,000,000 of a second.

BNO Acoustics HD-70: Loudspeaker
Device for converting the electrical signal from an amplifier back into sound waves, most commonly by vibrating a paper cone. Most speaker systems are composed of a number of sources � each designed to handle a specific range of frequencies. See Tweeters and Woofers, Bi-Amplification.