Wednesday, December 23, 2015

Microphones in series or parallel

Connected an MD421HL in series with 515SB. The resultant 400ohms was connected to Pleiades V5. Great sound, MD on vocals, 515 on acoustic guitar. Proximity effect is further compensated as effective mic Zout is increased. In fact many mics could be connected in series, in a Christmass tree lamp way and the proximity effect be automatically compensated. A live band could be recorded this way indoors or outdoors with a great sound with no reflection components as the mics would be really close to the instruments and a great signal to noise ratio for the same reason.


Connected MD421 in parallel with Shure 515SB. Great sound, more bass, less treble. This can be explained by the lower total Zout, this time 100Ohms. Cutoff proximity compensating frequency due to Zout and the 47uH input inductance of V5 is now halved, ie one octave lower.

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