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A preamplifier (preamp) is an electronic amplifier that prepares a small electrical signal for further amplification or processing. They are typically used to amplify signals from microphones, instr...

How does an amplifier work? - Explain that Stuff


May 8, 2015 ... Amplifiers are the tiny components in hearing aids that make voices sound louder . They're also the gadgets in radios that boost faraway signals ...

The Difference Between Gain, Volume, Level, and Loudness | Off ...


This could be the increase in the raw signal from your guitar or microphone ... More specifically we use SPL (sound pressure level) to describe sound waves.

Refraction of Sound - HyperPhysics


But bending of sound waves does occur and is an interesting phenomena in ... But refraction can add some additional sound, effectively amplifying the sound.

Speakers Definition - The Tech Terms Computer Dictionary


Feb 27, 2010 ... Analog speakers simply amplify the analog electromagnetic waves into sound waves. Since sound waves are produced in analog form, digital ...

Acoustic Amplifiers - Experimental Musical Instruments


Dec 28, 2010 ... The term “acoustic amplifier” is sometimes used to describe sound amplification systems that don't use electricity. I recently had some ...

Making Sounds with Musical Instruments by Ron Kurtus - Succeed ...


Jan 8, 2008 ... What are the different ways musical sounds can be made? How are musical sounds amplified? What makes musical sounds pleasing?

Sound is simply what we hear


There are many factors involved in what sound a guitar will produce. The main ... The guitar needs the body and the air cavity in side to help amplify the sound.

Amplify - definition of amplify by The Free Dictionary


Define amplify. amplify synonyms, amplify pronunciation, amplify translation, ... use) to increase the loudness of (sound), esp. by mechanical or electronic means . .... 2. go into detail, develop, explain, expand, supplement, elaborate, augment,  ...

Basic questions about transistor amplification - Electrical ...


Jan 5, 2012 ... Can anyone explain how a transistor can amplify voltage or current? According to ... Say for example, I want to amplify a sound wave. I whisper ...

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How loudspeakers work - Explain that Stuff


Feb 23, 2016 ... Explain that Stuff. You are here: ... How loudspeakers turn electricity into sound. Animated ... Cables: Connect stereo amplifier unit to voice coil.

How do we Hear? [Noisy Planet] - National Institutes of Health


Apr 3, 2014 ... The bones in your middle ear amplify, or increase, the sound vibrations and send them to the cochlea, a snail-shaped structure filled with fluid, ...

Sound & Waves: Good Vibrations Part II / Labs, Activities, and Other ...


We will demonstrate how sound waves are produced and reveal how they ... List the amplifying materials you test and describe their effectiveness as amplifiers.