The Speaker Decibel Calculator

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This is where your journey, to get the best sound from your AV Receiver and loudspeaker system, begins.

Get ready to read up on how to do this, setup your AV receiver the proper way and start enjoying better sound !

Measuring your set

Many manufacturers of AV Receivers will offer you some sort of measuring system, often using a mono microphone, allowing them to " detect " the distance from the position of the microphone to the speakers. 

This works with you placing the microphone at the location you sit while enjoying your media ( films, music, etc ) .

The AV receiver then sends special tones through the speakers that are picked up by the microphone. An internal system calculates the time the signal took to reach the microphone, which tells it how far the sound had to travel to reach it. This distance is then set as the distance of the speaker to the location of the microphone.

Although for about 70% this is fairly correct and often an easy solution for those that want to do this things the Easy Way ( See my Blog on Setting  Up your Yamaha ( and others ) AV Receiver.)

Yet these systems always also set your speaker ( channel ) volume and this is mostly wrong, either too loud or too low resulting in a bad equal loudness. 

Example of a result after entering the distances in meters.

How to use the calculator

The use of the calculator is quite simple.

  1. Get the distance from each speaker to your listening position in meters.
  2. Use the dropdown selector in the calculator to select your speaker setup.
  3. Enter the various distances into the calculator fields.
  4. Hit Calculate!
  5. Enter the dB values the calculator gives you  ( + or - values ) into your system. ( round off to 0.5 dB for some manufacturers )
  6. Done ! Start enjoying your media such as movies, music and more on a whole new level!

 

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