SEA Microphones Service - Oktava MK-319 repair and modification - Repaired capsule - cleaned and improved poor diaphragm tension - Removed odd resonator disks from both sides of the capsule - Repaired
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Oktava MK-319 Large Diaphragm Cardioid Condenser Microphone | Reverb Australia
Oktava MK-319 Large Diaphragm Condenser Mic Large Diaphragm Condenser Mic : Musical Instruments - Amazon.com