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Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more

The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more
Tayside - DECs - 0141 894 0107
The office that covers this area is: Glasgow
The towns & cities that are covered within this county are:
Aberfeldy, Arbroath, Brechin, Carnoustie, Crieff, Dufftown, Dundee, Forfar, Kinross, Kirriemuir, Monifieth, Montrose, Perth, Pitlochry,
Phone Number: 0141 894 0107 Email: tayside@e2consultants.co.uk
Our other services include:
DECs can also be known as:
Display Energy Certificate, DEC,


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Company No. 06728970