Saturday, March 30, 2019

Sennheiser MD441 U3 with Pleiades (R,L) filter


On this excellent mic when singing softy apart from equal loudness, voice effort curves compensation, proximity effect compensation is needed too.


So values of resistance, inductance for the gentle slope Pleiades filter are still less.


Typically for using the microphone at 2-3in while singing The Power Of Love - Frankie Goes to Hollywood at the (correct) F minor key:


Pleiades(57Ω,10mH) is needed.


Without the 57Ω, 10mH in series and total across pins 2,3 sound can be too bass, mid heavy.


For greater mic, voice source distance, other type of song etc higher values of R,L may be more suitable to cut less bass, mid frequency content for flat frequency response from producer's brain to listener's brain.


For example Pleiades(89Ω,16mH) at (7-12)in mic voice source distance.


This Pleiades(89Ω,16mH) setting sounded fabulous on vintage MD21 at 1-2 in. See next after next post.


See also:


Sound Picture Recording and Reproducing Characteristics - D. P. Lowe, K. F. Morgan - Journal of the Society of Motion Pocture Engineers












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