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11. Headroom is the:
A: Difference (in dB: between a circuit’s nominal level and maximum level.
B: Another term for signal-to-noise ratio.
C: Slang term for in-ear monitor mixing.
D: Electrical calculation defined by CMV.

12. Foldback is a:
A: Noise-canceling circuit.
B: Term for a monitor mix.
C: Common insert-snake wiring scheme.
D: An obsolete mono mixing technology.

13. In-ear monitor mixes are:
A: Usually mixed in stereo.
B: Illegal in Germany (health reasons).
C: Always transmitted via wireless systems.
D: All of the above.

14. A monitor mixing desk:
A: Must be placed on the stage.
B: Always receives the “first” signal spit.
C: Is always used to create a matrix.
D: Is always configured for mono mixing.

15. A signal split is a conventional method for:
A: Reliable grounding.
B: Dividing input signals for multiple mixing functions.
C: Measuring potential gain.
D: Feedback control.


Source: Live Sound International

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Comments (3) Most recent displayed first
Posted by Ken Ferrel  on  03/26/11  at  10:46 AM
Re question 6... Neither answer is correct all of the time. Balanced inserts may use 3 conductor cable, but uses two separate cables to send and return. The only case where the answer is both is on an unbalanced (single TRS) insert.
Posted by Tony John  on  03/18/11  at  08:25 AM
@Chris Anderson - I thought the same thing
Posted by Christopher Anderson  on  03/17/11  at  04:28 PM
Question 6 isnt necessarily correct. The true correct answer is that the insert cable must carry send and return signals. The 3 wires thing isnt true. Some consoles use a mono 1/4 in send and a mono 1/4 return.
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