Planar Speaker Asylum

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Planar Speaker Asylum

RE: stacking maggies

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In Reply to: RE: stacking maggies posted by josh358 on September 30, 2024 at 09:48:05

MG 3.5 was not quasi ribbon, 3.7 was the firat 3-series with flat wire/foil/quasi ribbon.

There are some guys that have repaired the push-pull drivers without destroying the Mylar.

Follow Ups:

RE: stacking maggies - josh358 17:47:18 09/30/24 (1)
I was referring to the midrange -- according to the MUG model list the 3.5R has a quasi ribbon midrange. It makes more of a difference to the midrange than to the bass.
- RE: stacking maggies - Roger Gustavsson 23:02:55 09/30/24 (0)
  The MG 3.5 has normal round wires just as the 3.6! MUG model list is full of faults. The early Tympani models, before the I-D had a few changes without a new model name. I have seen three different Tympani III-A. I think these were produced for a period of about two years.
RE: stacking maggies - Beardy 11:34:53 09/30/24 (1)
I have a pair of rebuilt MGIIIA and can buy a second set quite easily. The alternative appears to be an older 20.1 and take a gamble on any potential rebuild but for similar money I could buy something that is post 2005 like two pairs of 0.7s however this means QR tweeter and I see a big attraction in a long true ribbon.
> how significant is the benefit of the lighter QR versus older round wire for the drive panels?

I anticipate a damped metal frame for the vertical stack and mechanically decouplng the ribbon tweeter from the other panels. I am also assuming that a metal frame that minimizes the width of the speaker coupled with a `wing' to compensate for the reduction in baffle width, may help accentuate the approximation towards a `line source'
- RE: stacking maggies - josh358 17:45:21 09/30/24 (0)
  The important thing is to keep the acoustical centers as close together as possible.

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