1. 
   Foldback
   Sound reinforcement from loudspeakers on the side of the stage to enable actors to hear their musical accompaniments clearly, and to hear their own voices when the sound is heavily reinforced for the audience.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Foldback
   A European term for the signal sent to the stage monitors in a live performance.
   Found op http://www.testing1212.co.uk/a.htm
   
   
3. 
   Foldback
   System for feeding one or more separate mixes to the performers for use while recording and overdubbing. Also known as a Cue mix.
   Found op http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl
   
   
4. 
   Foldback
   [sound engineering] Foldback (also called "stage monitors") is the use of rear-facing heavy-duty loudspeakers known as monitor speaker cabinets on stage during live music performances. The sound is amplified with power amplifiers or a public address system and the speakers are aimed at the o...
   Found op http://en.wikipedia.org/wiki/Foldback_(sound_engineering)
   
   
5. 
   Foldback
   [power supply design] Foldback is a current limiting feature (a type of overload protection) of power supplies and power amplifiers. When overcurrent is drawn by the load, foldback reduces both the output voltage and current to well below the normal operating limits. Under a short circuit, w...
   Found op http://en.wikipedia.org/wiki/Foldback_(power_supply_design)
   
   
6. 
   Foldback
   The process of returning the amplified sound to the stage so that the performers can hear themselves. Rarely used in straight plays: essential for musical work of all kinds. Special foldback monitors are needed which much less likely to feed into the mics to produce feedback (qv).
   Found op http://www.britishtheatreguide.info/otherresources/glossary/glosswz.htm
   
   
7. 
   Foldback
   This is an audio feed sent to the performer using speakers or headphones to allow them to monitor the sounds they are producing.
   Found op http://www.songstuff.com/glossary/F
   
   
8. 
   foldback
   in Britain, this is the term for an onstage monitor speaker that helps performers to hear their singing and playing.
   Found op http://en.wikipedia.org/wiki/Glossary_of_jazz_and_popular_music
   
   

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