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Sound Dynamics
Quiz 2
51
Other
Not Applicable
07/18/2006

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Cards

Term
The tube the voice coil is wrapped around in a speaker is called the ____________.
Definition
Vent Hole
Term
A horn is basically just a glorified megaphone until coupled with a ___________ ___________.
Definition
Compression Drive
Term
What is a transducer?
Definition
Anything that converts one form of energy to another
Term
The part of the speaker that attaches the cone to the basket on the outside is called the __________.
Definition
Spider
Term
What does the Spider do in a speaker?
Definition
Keeps cone centered on the driver
Term
A __________ converts acoustic energy into an audio signal or voltage.
Definition
Microphone
Term
What is over excursion?
Definition
When maximum peak power rating is exceeded.
Term
Four 8 ohm speakers wired in parallel is a _________ load.
Definition
2 ohm
Term
Four Series Parallelis an ________ load
Definition
8 ohm
Term
Name the 3 ways to wire speakers to an amp.
Definition
Parallel, Series, and Series-Parallel
Term
What are the 3 types of sound output transducers we could use in live sound today?
Definition
Compression, Cone, and Piezoelectric
Term
What is the process to repair a speaker called?
Definition
Re-Coning
Term
True or False: The speaker wiring you choose will effectthe power requirements for that group of speakers.
Definition
True
Term
What is the replaceable part of a compression driver?
Definition
The diaphragm
Term
The speaker is not working; All connections are in order so what part has most likely failed?
Definition
The cone
Term
Horn loaded cabinet have TWO major benefits over front loaded?
Definition
They can focus sound, and they are louder
Term
True or False: A horn loaded sub cabinet can focus sound for long throw applications.
Definition
True
Term
If the fault or protect indicator is on then _________
Definition
The amp has shut down
Term
An amp will go into protect mode beacuse_______
Definition
All of the above
Term
When an amp is operated 2 in and 2 out it is in what mode?
Definition
Stereo
Term
When an amp is operated as 1 in 1 out what mode is it in?
Definition
Bridged
Term
When an amp is operated one in and two out what mode is it in?
Definition
Parallel
Term
True or False: Bridging an amp will provide less power?
Definition
False
Term
A wattas and an ohm value for a speaker or set of speakers is called its ___________.
Definition
Power Rating
Term
True or False: Amps get matched to speakers.
Definition
True
Term
True or False: It is better to under power a speaker than over power it.
Definition
False
Term
True or False: It is harmful to operate one channel of an amp at 4 ohms and another at 8 ohms.
Definition
False
Term
True or False: The higher the amount of harmonic distortion, the better the amp.
Definition
False
Term
How many inches does one rackspace equal?
Definition
1.75
Term
A mobile rack should be no taller than __________.
Definition
21 spaces
Term
Which amps get placed towards the bottom of the rack?
Definition
The heaviest amps
Term
The place on the amp where the connections are actually made is called _______.
Definition
The Input/Output panel
Term
The part of a filter that's unaffected is called the _________.
Definition
Pass Band
Term
The section where attenuation begins is called the _________
Definition
Transfer area
Term
The place where opposing filters meet is called ________
Definition
Crossover point
Term
The area where the signal fully attenuates is called the _______
Definition
Slope
Term
Name the four types of filters.
Definition
Bessel, Bittersworth, NTM, Linkwitz Riley
Term
each order of filters generally equals ______ dB/octave.
Definition
-3
Term
An active crossover comes ___ amplification
Definition
After
Term
What are the minimum controls neccessary to have a working Analog crossover?
Definition
Output Level, Input Level, and Crossover frequency selector
Term
What is Band Limiting?
Definition
Limiting after the crossover
Term
What do digital crossover units normally contain?
Definition
Band Limiting, EQ, Time Correction
Term
A way of preventing unwanted tampering with a digital crossover is _______.
Definition
The lockout functions
Term
A good place to start with setting a crossover is _________.
Definition
The manufacturer's recommended
Term
Name the two types of EQ's.
Definition
Graphic, and Parametric
Term
What are the 2 types of filters found in a Graphic Eq, what are they?
Definition
Adapta Q, Constant Q
Term
Which filter will have its bandwidth change when amplitude changes?
Definition
Adapta Q
Term
Which filter will keep its bandwidth the same no matter what the cut or boost is set at?
Definition
Constant Q
Term
What is an RTA?
Definition
Real Time Analyzer
Term
What two things does an RTA measure?
Definition
Frequency, Amplitude
Term
If a product description for a crossover reads, 4 in'/8 out, the unit is most likely a _______ crossover.
Definition
Digital
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