Term
| A Transducer converts one type of energy to another? (t/f) |
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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
| List the five major types of output transducers. |
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Definition
| Piezoelectric, Electromechanical, Electrostatic, Planar/Ribbon, and Electromagnetic. |
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Term
| Of all of the transducer types, which is the most common? |
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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
| A horn is also known as a wave-guide? (t/f) |
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Definition
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Term
| If a horn dispersion pattern reads 90x60, what do these numbers indicate? |
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Definition
| 90 degrees horizontal by 60 degrees vertical |
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Term
| The smaller the dispersion pattern the farther it will throw sound? (t/f) |
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Definition
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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
| Over-excursion can or will physically damage the assembly? (t/f) |
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Definition
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Term
| Can under-powering a loudspeaker damage it? |
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Definition
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Term
| How does under-powering a loudspeaker damage it? |
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Definition
| it sends square waves to the loudspeaker |
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Term
| Of all the speaker power ratings published, which on is the most relevant? |
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Definition
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Term
| The process to repair a speaker is called re-coning? (t/f) |
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Definition
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Term
| Typically for a PA loudspeaker, can just anyone perform the above process and/or purchase the factory-approved components? |
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Definition
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Term
| For consumer speakers, can a user purchase a repair kit? |
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Definition
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Term
| What are three ways of wiring together multiple loudspeakers? |
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Definition
| Parallel Wiring, Series Wiring, and Series/Parallel Wiring |
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Term
| Which method of wiring will lower the overall ohm rating? |
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Definition
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Term
| Two 8-ohm speakers wired in the Parallel method will yield a ________-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 in the Series method will yield a ________-ohm value. |
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Definition
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Term
| Name the wiring strategy that is a combination of Series and Parallel? |
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Definition
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Term
| Four 16-ohm speakers wired in a Series/Parallel method will yield a _________-ohm value. |
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Definition
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Term
| Square waves can damage a speaker? (t/f) |
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Definition
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Term
| An Amplifier is designed to increase the power of something? (t/f) |
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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 electronic realm? |
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Definition
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Term
| Distortion can be defined as the output being exactly the same as the input? (t/f) |
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Definition
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Term
| The first amplifiers were used for? |
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Definition
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Term
| What class of amplifier is said to be the most accurate of 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
| Class D infers Digital? (t/f) |
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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" amplifiers |
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Term
| What classes use multiple power supplies? |
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Definition
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Term
| By sheer numbers, amplifiers used in full-range applications would most likely be ? |
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Definition
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Term
| Most Subwoofer amps (especially in car audio) might be ? |
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Definition
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Term
| Which indicator light lets the user know what the amplifier is on? |
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Definition
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Term
| The signal indicator light on most amplifiers indicates input ? (t/f) |
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Definition
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Term
| Lights with levels displayed next to them (-10, -6, etc. ) indicate input levels as well ? |
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Definition
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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 has come on, then? |
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Definition
| The amplifier has shut down |
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Term
| An amplifier will go into protect mode because? |
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Definition
| Overheating, overdriven, and a short |
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Term
| The outputs on a professional amplifier are typically? |
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Definition
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Term
| Speakon connectors are also available on some amplifiers? (t/f) |
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Definition
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Term
| An Amplifier running 2 in/2 out is said to be in the _________ mode? |
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Definition
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Term
| When a two-channel amplifier has been converted to a one-channel amplifier (1 in/1 out ), it is in the ________ mode. |
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Definition
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Term
| An amplifier operating as 1 in/ 2 out is in the __________mode. |
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Definition
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Term
| An amplifier operating as 1 in/ 2 out is in the __________mode. |
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Definition
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Term
| When performing Bridged mono, what outputs of a P.A. amplifier must be used ? |
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Definition
| Use the two positive (+) outputs |
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Term
| The ohms rating at which an amplifier operates is determined by? |
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Definition
| The nominal impedance (load) of the speaker's |
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Term
| If the speaker load is cut in half, will the output of an amplifier double? |
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Definition
| Some will some wont depends on individual amp |
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Term
| If and amplifier does not have a 2-ohm rating it is okay to run it at 2 ohms. (t/f) |
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Definition
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Term
| If an amplifier does not have 16 ohm rating, it is okay to run it at 16 ohms? (t/f) |
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Definition
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Term
| Which amplifier power rating is most accurate? |
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Definition
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Term
| For amplifiers being used in limited-bandwidth applications, what spec is acceptable for use? |
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Definition
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Term
| Speakers will be matched to the requirements of the amplifiers? (t/f) |
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Definition
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Term
| It is harmful to operate one channel of professional amp at 8 ohms and the other at 4 ohms? (t/f) |
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Definition
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Term
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Definition
| A frequency driven network |
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Term
| a three way system has how many frequency ranges? |
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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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