stoatwizard wrote:
>> Exactly what does the high- and low-sens switching do? And exactly
>
> I measured both of my NH-700s, and what this does is give you an extra
> 20dB of gain on hi-sensitivity. You pay for this with a 20dB
> impairment in overload level - the NH-700 mic input clips at -31dBu
> on hi and -11dBu on low sensitivity measured at 1kHz
>
> http://www.wildlife-sound.org/equipment/himd/himdpklevels_meas.html
>
> from the fact that the noise floor does not increase by 20dB on low
> sensitivity although the clip level does decrease by the extra gain we
> can infer that this is probably achieved by a gain reduction in the
> input stage rather than a straight 20dB pad at the input, which is a
> nice touch by Sony.
Thank you for this note and the excellent link.
I sure would like to see a block diagram of the entire Hi-MD input
stage. I tried all kinds of search combinations with no luck. Anyone
luckier than me?
Curt Olson
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