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Do larger planar speakers produce more accurate sound?

Planar speakers generate sound pressure via vibrating membrane panels. The excursion of the membrane x radiating area= sound pressure. This would mean that for a given sound level, membranes have smaller excursion in larger planar speakers than in smaller ones. Does this mean that larger speakers will produce more accurate sound?

I am not talking about the obvious benefits of the larger speakers in terms of low frequency production, so let's not get into that.

128x128chungjh
chungjh's avatar
chungjh OP
265 posts
 

Mofi also stopped carrying Quads for the foreseeable future.

helomech
1,535 posts
 

The next room size is 16x20x8

I have Magnepan .7s in a larger room than that and the bass is plentiful for my needs/taste. They don’t extend below 45Hz or so but still deeper than most bookshelf-type speakers and even some towers. This is the only Magnepan I’ve heard that can actually produce midbass “punch.”  I suspect it’s because it has a larger bass panel than the smallest Maggies yet is still a 2-way design. I once owned 1.7is and they had almost no dynamics in the midbass.  

ghdprentice
6,543 posts
 

I have been enchanted with Quads… old and new. My friend and dealer added the line about 15 years ago. I loved them, stopped buy several times, considered buying them… but didn’t. In fact everyone loved them… he carried them for years… and never sold a single pair… not one. I was shocked to hear this a few days ago when we were chatting.

bdp24's avatar
bdp24
9,510 posts
 

@helomech: If you want to hear a Maggie with midbass punch, try to find a pair of the 3-panel Tympani models. Harry Pearson mated the two bass panels from a Tympani with the m/t panels from the Infinity IRS to create his own "super speaker".

The best midbass I've ever heard was that produced by my pair of Tympani T-IVa. But the Tympani bass panels need:

1- To be braced. Mye makes a stand for the Tympani. One guy on the Planar Speaker Asylum runs a plank of wood from his Tympani panels to the wall behind them!

2- To be placed at least 5' from the wall behind them. However, they may be placed right up against the side walls, which has the added benefit of eliminating the front-to-back dipole cancellation on the sides of the panels against the walls. Free bass!

3- A LOT of power, the more the better. 

A note to planar lovers, whether of the magnetic-planar variety (Magnepan, Eminent Technology), ESL, or ribbon: The Tympani bass panel is a GREAT sub for your speaker.

goofyfoot
1,342 posts
 

chungjh, yes, Music Direct and MOFI are the same company.

No one here has mentioned Acoustats. Anyone own these and if so, what are your thoughts?

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