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t or f: a transducer converts one type of energy to another |
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Definition
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Term
| what does an output transducer do? |
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Definition
| converts electrical energy to acoustic energy |
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Term
| what is the most common transducer type? |
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Definition
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Term
| on a cone type driver, is the Magnet Assembly considered replaceable? |
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Definition
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Term
| name the part of the speaker assembly that connects the cone to the basket on the outside |
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Definition
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Term
| which two components of the speaker assembly are responsible for the movement of the assembly? |
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Definition
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Term
| a cone driver is one type of e.m. speaker, name the other type. |
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Definition
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Term
| what is the replaceable part in a compression driver? |
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Definition
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Term
| t or f: a horn is also known as a wave guide |
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Definition
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Term
| if a horn dispersion pattern reads 90x60, what do these numbers mean? |
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Definition
| 90 degrees horizontal and 60 degrees vertical |
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Term
| over-excursion can be described as ? |
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Definition
| moving the assembly too far forward and back |
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Term
| t or f: over-excursion can or will physically damage the assembly |
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Definition
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Term
| can underpowering a loudspeaker damage it? |
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Definition
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Term
| t or f: square waves can damage a speaker |
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Definition
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Term
| t or f: the process of repairing a speaker is called re-coning |
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Definition
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Term
| what are the 3 ways of wiring together multiple loudspeakers? |
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Definition
| parallel, series, series/parallel |
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Term
| which speaker wiring method will lower the overall ohm rating? |
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Definition
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Term
| two 8-ohm speakers wired in parallel configuration will yeild ___-ohm value |
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Definition
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Term
| which speaker wiring method will increase the overall ohm rating? |
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Definition
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Term
| two 8-ohm speakers wired with series configuration will yeild a ___-ohm value |
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Definition
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Term
| name the speaker wiring strategy that is a combination of both parallel and series |
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Definition
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Term
| four 16-ohm speakers wired with s/p configuration will yeild a __-ohm value |
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Definition
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Term
| t or f: an amplifier is designed to increase the power of something |
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Definition
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Term
| power is defined as the amount of measured energy over time. what is the unit of measurement used in the electric realm? |
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Definition
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Term
| t or f: distortion can be defined as the output being exactly the same as the input. |
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Definition
| false: the output is somehow different than the input |
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Term
| the first amplifiers were used for what? |
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Definition
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Term
| what class of amplifier is said to be the most accurate or best sounding? |
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Definition
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Term
| what class of amplifier is the most energy efficient (least heat producing)? |
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Definition
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Term
| t or f: class d amps infer digital |
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Definition
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Term
| what sets apart class d and class i from the rest? |
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Definition
| they are "switching" amps |
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Term
| which amps classes use multiple power supplies? |
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Definition
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Term
| most subwoofer amps might be class __ |
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Definition
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Term
| which indicator light lets the user know that the amplier is on? |
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Definition
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Term
| t or f: the signal indicator light on most amplifiers indicates input |
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Definition
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Term
| t or f: lights with levels displayed next to them (-10, -6, etc) indicate input levels as well |
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Definition
| false: they indicate output levels |
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Term
| a clip light steadily lit for any length of time could: |
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Definition
damage both speakers and amplifiers |
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Term
| if the protect light came on, then: |
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Definition
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Term
an amp will go into protect mode because it: a. is overheating b. it is being overdriven c. the amp will lower its output to a safe level d. any of the above |
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Definition
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Term
| the outputs on a professional amp are typically: |
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Definition
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Term
| t or f: speakon connectors are also available on some amps |
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Definition
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Term
| an amp runnig 2 in/2 out is said to be in the ___ mode |
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Definition
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Term
| an amp operating as 1 in/2 out is in the ___ mode |
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Definition
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Term
| when a 2 channel amp has been converted to a one-channel amp (1 in/1 out), it is in the ___ mode |
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Definition
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Term
| when performing the bridged mode process, what outputs of a p.a. amp must be used? |
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Definition
| use the 2 positive outputs |
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Term
| the ohms rating at which an amp operates is determined by: |
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Definition
| the nominal impedance (load) of the speaker(s) |
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Term
| if a speaker load is cut in half, will the output of the amp double? |
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Definition
| some will; some won't; it depends on the individual amp |
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Term
| t or f: if an amp does not have a 2-ohm rating, it is ok to run it at 2 ohms |
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Definition
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Term
| t or f: if an amp does not have a 16-ohm rating, it is okay to run it at 16 ohms |
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Definition
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Term
| which amp power rating is the most accurate? |
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Definition
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Term
| for amps being used in the limited bandwidth applications, what spec is acceptable for use? |
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Definition
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Term
| t or f: speakers will be matched to the requirements of the amps |
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Definition
| false: amps are matched to the requirements of speakers |
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Term
| t or f: it is harmful to operate one channel of a professional amp at 8 ohms and the other at 4 ohms |
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Definition
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Term
| most p.a. speakers should be given ____ |
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Definition
| somewhere between their program and peak ratings |
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Term
| what component can handle up to 200 percent overpowering? |
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Definition
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Term
| t or f: the speaker wiring of a group of speakers will affect the power requirements for that group |
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Definition
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Term
| t or f: the speaker wiring of a group of speakers will affect the power output of an amp |
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Definition
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Term
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Definition
| a frequency-dividing network |
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Term
| a 3-way system has how many frequency ranges? |
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Definition
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Term
| a typical house p.a. system is: |
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Definition
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Term
| a passive crossover is positioned: |
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Definition
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Term
| an active crossover is positioned: |
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Definition
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Term
| a bi-amped or tri-amped speaker or system employs: |
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Definition
| multiple amps or channels |
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Term
| in a filter, the section that is unaffected is called the: |
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Definition
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Term
| in a filter, the section where attenuation begins is called the: |
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Definition
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Term
| in a filter set, the place where the 2 opposing filters meet is called the: |
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Definition
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Term
| if one is set to a console's high-pass filter at 100hz, that 100hz is measured at the: |
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Definition
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Term
| in a filter, the section that is fully attenuated is called the: |
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Definition
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Term
| t or f: the filter slope is measured in dB per octave |
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Definition
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Term
| each order of slope is equivilant to: |
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Definition
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Term
| a third order slope is said to have a rolloff of: |
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Definition
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Term
| what is the roll off rate of a fourth order filter? |
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Definition
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Term
| the shape of a filter is significant to what particular section? |
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Definition
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Term
| which type of filter is considered to be the top-of-the-line professional filter? |
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Definition
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Term
| the electronic alignment of 2 or more loudspeaker components is known as: |
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Definition
| time alignment, time correction, or phase coherency |
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Term
| t or f: misaligned speaker components will cause part of the sound from a loudspeaker to beam or "tilt" up or down |
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Definition
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Term
| t or f: an analog crossover's controls adjust each high- and low-pass filter individually |
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Definition
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Term
| a typical analog 2 way stereo can be configured to operate as a: |
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Definition
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Term
| in the digital crossover's crossover menu, the user can adjust: |
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Definition
| each filter, slope, and shape |
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Term
| band-limiting can be defined as: |
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Definition
| frequency dependent limiting |
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Term
| all digital crossovers always contain these 2 things: |
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Definition
| time correction and parametric band eqs |
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Term
| a digital crossover's configuration limitations depend on: |
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Definition
| the number of input/output connections |
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Term
| how many outputs does a stereo 3 way system require? |
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Definition
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Term
| t or f: a system limiter could be used as a system compressor in some applications |
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Definition
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Term
| t or f: even with the most advanced system management units, a system eq is not necessary |
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Definition
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Term
| what type of filter will have it's bandwidth change when the amplitude changes? |
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Definition
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Term
| what 2 things does an RTA measure? |
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Definition
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Term
Of the dispersion patterns below, which one will "throw" sound the furthest? a. 90 x 90 b. 40 x 20 c. 30 x 10 d. 70 x 55 |
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Definition
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Term
of all the speaker power ratings published, which one is the most relevant? |
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Definition
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Term
| typically for a PA loudspeaker, can anyone perform re-coning and/or purchase the factory-approved components? |
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Definition
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Term
| by sheer numbers utilized, amplifiers used in full-range applications would most likely be (2 answers): |
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Definition
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