Offices Nationwide

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

Sound Intensity
Sound intensity's measured in Decibels (dB). An logarithmic scale where an increase of 10 dB gives an apparent doubling of loudness...more
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Display Energy Certificate can also be known as:
DEC,
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Company No. 06728970
In County G
DEC in Glamorgan, DEC in Gloucestershire, DEC in Grampian, DEC in Greater Manchester, DEC in Gwent, DEC in Gwynedd County,