Sunday, January 19, 2020

Updates on AKG D190 on Pleiades lab


Some of the previous posts are wrong.


The AKG D190 that was used in the listening experiments is a bit of a mystery.


Here are some of the facts:


It had been bought from eBay but the AKG logo sticker was missing on both the mic and the case.


It sounds great at say 12in even without a Pleiades gentle slope low cut filter.


Another AKG D190E which had arrived sounds much different and great too.
It sounds much more bass heavy for same mic distance. So a Pleiades (R,L) filter is definitely needed. Then it sounds possibly even better than the first one. Values of resistance for the (R,L) inline filter can be up to 400Ω and inductance can be say up to 60mH.


So why does the first mic is already concentrating on voice. Vicky could immediatly spot it by listening to various mics including it, (see older spots)?


It has been read in an old AKG D190 brochure found here:
https://www.elektroakustika.cz/akgd190c.html
...that there also were made reporter versions of the AKG D190 with internal low cut filter.
They are designated as D190CR or D190ER.






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