In this video I disassemble and show how to fix a loose disk under the diaphragm.

RE20 video #1    • Electro Voice RE20 Mic Rebuild Vid #1...  
RE20 video #2    • How to Fix Unfixable EV RE20 Rattling...  
RE20 Video #3    • ElectroVoice RE20 Rebuild Video #3 - ...   (Members)

00:00 Intro
00:23 Test and show the issue
00:40 Common RE20 failures
01:08 Removing the grill
02:04 Removing the phase plug cover
02:57 Internal phase plug
03:32 Checking for collapsed diaphragm
05:28 Opening the rear housing
06:52 Different versions of rear mechanical designs
08:13 Changing the output impedance
08:41 Document wiring
09:14 Preparing the wires and removing the rear clamp
10:30 Removing the capsule
10:51 Cleaning up rotted foam
11:22 Proximity effect control tubes
13:08 Plan to repair the issue
13:31 Removing the rear disc
14:25 Removing the rear chamber tube
15:29 Removing the diaphragm rear foam/packing
17:16 Centering the rear phase plug
18:00 CA glue the rear phase plug back in place
19:10 Outro

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