Audio Project Amplifier Speaker Loudspeaker Kit
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Searching for Speakers for low frequencies (until infrasonic) - Click HERE for Original Thread
Anocs
We need speakers of unusual needs to the hi-fi world. Our purpose for the speakers are following criteria.

- Good sound pressure as deeply down as possible eaven until the subsonic area
- Rapid response, that means no as little delay (groupdelay) as possible
- Small dimensions, for example, to be lashed on the windows frame

By Item 2, the bassreflex speakers are too slow. It ist clear that we have to try to get through the Hub more than the dimensions.
Eaven our criteria are possily idealistic, we're checking out the possibilities the different systems can give us.
Netlist
Anocs, welcome.
Please don't cross post all over the loudspeaker forum. :)

/Hugo
qguy
"We need speakers of unusual needs to the hi-fi world

- Good sound pressure as deeply down as possible eaven until the subsonic area
- Rapid response, that means no as little delay (groupdelay) as possible
- Small dimensions, for example, to be lashed on the windows frame"

ain't this everyones goal ?
Thawach
15 inch driver with low mass cone and and low fs use with close box. if you want very small. u build isobaric speaker. u may use EQ for it. it's adjust low frequency respond deeper than. use 4*small sub. i wook not like to go your home. it may be dangerous for me. the ceiling can drop down to my head. LOL:D :D :D :cool:

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