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audio fundamentls
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This part 3 of audio engineering provides with more information with regards to how to handle speakers and amplifiers to avoid certain situations such as clipping as well as more situations to help you handle a balanced sound

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  • October 6, 2021
  • 20
  • 2018/2019
  • Class notes
  • Siya
  • All classes

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Part 3
• Amplifiers
• Clipping
• Bridging
• Slew Rate
• Matching power amplifiers to loudspeakers

, Loading: connecting a speaker “load” to an amp.
 Most speakers have an impedance of 8Ω
 Connecting two 8Ω speakers linked together (parallel
connection) yields a 4Ω load.
 Amplifiers need a minimum load in order to work correctly.
If we connect too many speakers, the load becomes too
low and we risk damaging the amplifier.
 Most amplifiers have a minimum of 2Ω or 4Ω.

,  In order to calculate speaker loads, we can use the
following parallel impedance formula:


Z xZ
ZT = Z 1 + Z2
1 2 Short-cut:
8Ω 8Ω (only works with
8x8 64 equal speakers)
8+8 = 16 = 4Ω
load of each speaker
÷
Number of speakers

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