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Re: Mic specs, in dBu

Subject: Re: Mic specs, in dBu
From: "Bruce Wilson" <>
Date: Tue, 4 Apr 2006 09:14:52 -0600
[Sorry for a double post, but I forgot to add one bit of info to the list.]

Since I've been posting preamps specs in dBu, I might as well post some mic
specs in the same units, for comparison.

All values are noise floor in dBu, sensitivity in dBu, maxSPL in dBu, psued=
o
S/N.
*Noise floor: the lower the better, if this is higher than your preamp EIN,=

your mic will add more noise than the preamp, which is typical.
*Sensitivity: doesn't really matter if your recorder has gains above 60 dB,=

otherwise the higher the better.
*MaxSPL: Should be lower than your preamp max input level.
*Psuedo signal-to-noise is the difference between the noise floor and the
sensitivity, which gives you an idea of how much noise you'll hear when you=

adjust for differences in sensitivity.

Sennheiser MKH (no MaxSPL reported in specs):
30: -110, -29, ?, 81
40: -110, -29, ?, 81
50: -112, -29, ?, 83
60: -112, -26, ?, 86
70: -112, -24, ?, 88
80: -110, -26, ?, 84
800: -110, -26, ?, 84

Rode:
NT1-A: -118, -29, +13, 89
NT2000: -121, -34, +19, 87
NT4: -114, -36, +13, 78
NT5: -114, -36, +13, 78

Cascade (a typical cheap condenser):
XT1: -108, -32, +8, 76

Let me know  if you want any other mics spec'd this way=
.





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