

The Tonmeister
Test
And £10,000 is the right answer! (10 x the distance leads to a 20dB fall in volume and so to get a 20dB increase,
Fritz needs 100 x the power.)
Question 9
Fritz passes his exams, but he cannot get a job, so he starts his own small PA hire firm. His first
small system cost him £100 and has an output of just one hundred Watts and generates 100dBA at a distance of ten meters.
Fritz wants to buy more of the same system and the prices have remained the same. How much will Fritz have to spend
in total (including the cost of his present system) so that . . .


the sound level is 110dBA at 10 meters?




£100
£200
£300
£400
£600
£1,000
£2,000
x
£3,000
x
£4,000
x
£6,000
£10,000
£100,000
£1m







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