So small as to be almost lost.
Still better than nothing.
Frost Boss have published a noise figure for their new fan as being 53dBA L10 at 300m.
Like all things in the world of frost fans, there is no indication of independent testing data, just a figure. The good news is that it's smaller than the previous figure for their 4 bladed fans, and they were already the quietest on the scene. The bad news is that like the Defender, I'll believe it when I read it in a report from an acoustical engineer (or whatever those people are).
Till then, let's hope their testing figures are a little more 'real' than their advertising.
The observant amongst the readers will note the following advert bears a striking resemblance to a picture from earlier advertising. I can only presume that photo-shopping is cheaper than actual photography.
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