One more question, how would you convert the following to a mV/Pa scale:
=9640.0 dBV/Pa ?
thx,
d.
derek holzer wrote:
> Hi Eric,
>
> and thanks for the clarification. To help me understand this stuff
> better, maybe you could indicate what a good ratio between self-noise
> and sensitivity would be? It would seem like the difference between a
> 25 mV/Pa mic and a 12 Mv/Pa mic would be pretty great. What kind of
> sensitivity are people looking at when they talk about a "high gain +
> low noise" microphone?
>
> d.
>
> Eric Benjamin wrote:
>> Derek,
>>
>> The second sensitivity rating for the MKH 30 is the
>> sensitivity with the 10 dB attenuator engaged. -10 dB
>> is 0.316, and 8 mV/Pa divided by 25 mV/Pa is 0.32.
>>
>> If you are not accustomed to reading microphone specs,
>> Pa is an abbreviation for the unit of one Pascal,
>> which is equivalent to a Sound Pressure Level of 94
>> dB. 94 dB SPL is a loud but not painful level, and
>> thus makes a convenient reference level. As a guide,
>> normal conversational speech is about 60 dB SPL.
>>
>> Eric
>>
>> --- derek holzer <> wrote:
>>
>>> How do you read this stuff? For example, the
>>> Sennheiser MKH 30 has two
>>> ratings side by side:
>>>
>>> 25mV/Pa (8mV/Pa +-1dB)
>>>
>>> Which number would represent the effective
>>> sensitivity which I could
>>> compare with another mic, say the MBHO KA 100 LK
>>> capsule, which rates:
>>>
>>> 12 mV/Pa
>>>
>>> on the spec sheet?
>>>
>>> Does this mean that MKH mic is more than twice as
>>> sensitive as the MBHO,
>>> or that the MBHO is about one and a half times as
>>> sensitive as the MKH?
>>>
>>> Are there other factors in the spec sheets that I
>>> would have to take
>>> into account to get a good comparison between
>>> different mic
>>> sensitivities and self-noise?
>>>
>>> thx + best,
>>> d.
>
>
>
--
derek holzer ::: http://www.umatic.nl
---Oblique Strategy # 19:
"Be dirty"
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