Picture Frame Speaker

These aren’t for Dave, they are for the OP. Dave made a good recommendation but I think It will be hard to find a traditional driver thin enough to fit in a picture frame. I think this is a great use for the exciter type of driver. They are thin and offer reasonably good sound, especially in a loudspeaker of OP’s dimensions.

If you want to go with traditional drivers I would use some of those mini-drivers in an array of maybe 8–2” drivers. Like these: https://www.parts-express.com/Dayto...eaker-Transducer-20W-4-Ohm-295-236?quantity=1
 
Are car speakers OK? How about this PRV driver at 2.14”

1714749573091.jpeg
 
I was thinking of around 6” to 6.5” drivers.

That's a big ask for a slimline driver. I've unearthed this Dayton Audio driver which is 2" in depth and around 4" in diameter:

https://www.daytonaudio.com/images/resources/295-590--dayton-audio-dma105-4-specification-sheet.pdf

https://www.daytonaudio.com/product...-magnet-aluminum-cone-full-range-driver-4-ohm

EDIT: You can wire two in series in each enclosure to double up the radiating area.

It's also available in a less sensitive 8 ohm version (DMA105-8).
 
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frugal-phile™
Joined 2001
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Here is an example of a wallmount Fonken i did (a long time ago), is as thin as we have become comfortable with. It is 13 litre, the P7HD need 9 litres, CHN-50 2.5 litre.

wall-fonken.png


The uggestion of a cornucopia is a very good one. The structure allows use of very thin material, a big boon to keeping things cloe to the wall.

dave
 
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DMLs have trouble with bass. Not a FR.

dave
True, but nothing you hang on the wall will be full range. Well, not in my view. Also, for surround you don’t really need full range side and rear speakers in the average living room, down to 100hz should be OK. It all depends on what the OP wants, I’m just spitballing. The OP gave a very restrictive set of size requirements and a DML design would work fine, and they could actually look like pictures rather than bumps on the wall. HiFi? Maybe not, but they would work OK for movies.