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FAQ

Is 50hz loud?

Is 50hz loud? At low sound levels, for a sound at 50 Hz to be percieved as equally loud as a 1 kHz sound, the lower frequency would have to be about 30 dB higher in level. However for very Read more…

Why did MEFO bills fail?

Why did MEFO bills fail? However, it faced two problems. First, rearmament was illegal under the terms of the Treaty of Versailles, and secondly there was a legal interest rate limit of 4.5%. The government would normally borrow extra funds Read more…