| Subject: | Re: HF noise in MKH 20s |
|---|---|
| From: | "Eric Benjamin" ericbenjamin2 |
| Date: | Thu Jan 19, 2012 10:34 pm ((PST)) |
Dan Dugan wrote: > the MKH 20 might be equalized in its electronics to compensate for a natu= rally >rolling-off HF response of the capsule. You hit the nail right on the head.=C2=A0 Documentation on the Sennheiser w= eb site shows that the MKH20 has an equalizer that provides about 13 dB of boost at= 20 kHz, relative to 1 kHz.=C2=A0 Your measurement shows an increase in noise o= f 18 dB at the highest frequencies, relative to 1 kHz.=C2=A0 But it's quite possible t= hat the circuitry itself doesn't have a flat (white) noise floor.=C2=A0 The match i= s pretty close. |
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