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Search: Posts Made By: aa777888
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Forum: Rotorheads
18th Apr 2020, 00:10
Replies: 113
Views: 53,489
Posted By aa777888

Not an S92 pilot, but I've been very impressed...

Not an S92 pilot, but I've been very impressed with the DC ONE X. The data sheet says 30dB at 150Hz with ANC turned on, and it's got enough passive protection that I've occasionally forgotten to turn...
Forum: Rotorheads
1st Mar 2014, 12:04
Replies: 113
Views: 53,489
Posted By aa777888

Almost certainly this, i.e. they reduced the...

Almost certainly this, i.e. they reduced the cooling fan noise for the unit itself, but that will amount to the proverbial fart in a windstorm in terms of overall cockpit noise in flight.
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