11.) Shure introduced the 3B and 10B Carbon microphones in:
A.) 1916
B.) 1926
C.) 1936
D.) 1946
12.) The Sennheiser MD421 was introduced in:
A.) 1955
B.) 1960
C.) 1965
D.) 1970
13.) The FCC limits the transmission power of wireless mics to:
A.) 1mW
B.) 5mW
C.) 10mW
D.) 50mW
14.) What stereo micing technique uses two cardioid mics with the capsules spaced 17cm apart, with the two mics at a 110° angle creating the stereo image?
A.) M-S
B.) ORTF
C.) Decca Tree
D.) Blumlein stereo
15.) What stereo micing technique uses a cardioid microphone capsule as center channel and a bi-directional figure-eight-mic at the same point, angled at 90°, which is then brought in on faders, out-of-phase to create the stereo image?
A.) M-S
B.) ORTF
C.) Decca Tree
D.) Blumlein stereo
16.) A PZM receives direct and reflected sound simultaneously.
True or False?
17.) The Crown PCC is an omnidirectional microphone.
True or False?
18.) If wired according to the AES standard, pin 2 of a microphone’s XLR connector will:
A.) Always be ground
B.) Always be “hot” or positive
C.) Always be “low” or negative
D.) Be the connection for +52VDC
19.) An Electret microphone:
A.) Is never used in pro audio
B.) Is a form of ribbon microphone
C.) Is a crystal microphone with special permanent polarization
D.) Requires a power supply
20.) Which microphone naturally has a figure eight or bi-directional pick-up pattern?
A.) Condenser
B.) Ribbon
C.) Carbon
D.) Dynamic