Planar Speaker Asylum

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Planar Speaker Asylum

glues have improved but maybe not so for the mylar

199.164.160.4

In Reply to: RE: 1.7s in for repair @ 2.5 years--typical? posted by Dibblestein on October 02, 2016 at 19:55:48

without visually inspecting the area it's hard to tell what may have caused the buzzing.
Is it possible an over tensioned wire/glue 'pulled' a rip in the mylar? Without a Maggie autopsy who knows?!

Edits: 10/04/16

Follow Ups:

RE: glues have improved but maybe not so for the mylar - Dibblestein 13:07:37 10/11/16 (0)
If Magnepan tells me what needed to be repaired I'll post a reply.
RE: it may not be a wire-on-mylar buzzing? ... - andyr 17:33:54 10/10/16 (0)
On my old MG-IIIas, one of the curved reinforcing bars had come loose from the 'holey metal' at one end - and this made a buzz at certain frequencies.

My solution was to re-glue but also bolt the reinforcing bar to the sheet - and I did it for each end of every reinforcing bar.

If the buzz goes away when you press the end of the reinforcing bar against the metal sheet ... then that's the problem!

Regards,

Andy

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