Thursday, August 2, 2018

Senheiser MD441 or MD211 N straight or with the Pleiades 1H4 open grid booster amplifier


Signal path:


Male voice at variable mouth mic distance - Mic - Pleiades V6 - Sony TC-D5 Pro - Sennheiser HD580


When connecting the MD441 U3 directly to Sony the Sony level control pot has to be at max. The sound is bass heavy.


When the Pleiades 130Ω,40mH filter is inserted between the two it's a great sound and very low noise. The Sony gain has to be at max and the mic can be used at 1-2in with no bass exaggeration.


When the Pleiades V6 with the 1H4 powered by 9V and open grid is inserted the Sony gain has to be reduced a lot. There is some hiss. The sound is big. The mic has to be used at about 10in to 12in for balanced bass.


When the MD211 is connected directly to Sony the sound is bass heavy.


When inserting the Pleiades filter the sound is too bright.


When inserting the Pleiades V6 1H4 the sound is big especially at mid range. The mic can be used at 1 to 2in.






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