[noob] Looking to build a really, really small sub

[budget minded]

tang band makes some really small woofers down to 5 1/4", but they're extremely inefficient.

if you want to get sub bass out of a small enclosure, one way to do it would be to just amplify the heck out of a small woofer that can take higher power.

you might want to look into 8" auto woofers. alot of those are designed to work as subs in small enclosures.

you can get decent bass out of small woofers if you drive them hard enough. i was surprised at just how much bass my little mission 2 ways could put out even with the ports plugged driven by my 100w reciever. i never push my system hard except that one time when a neighbor was being a pain.

if you had a nice 8", you could do alot better.

adire makes a 6 1/2" driver i've heard people talk about as being good for small subs. i think someone else had mentioned them here.

[Lindell]

Ok, so I just placed on order for two Tang Band 6,5" woofers.

Looks like I'll go with a 15 liter box tuned to 38Hz. I'm using WinISD to get these figures. It will not play straight to 30Hz, but more like 35Hz -3db. Fair enough for the system.






The cabinet design will be something really crazy....

[AVWERK]

Originally posted by Dr.EM
Perhaps an electronically equalised design would fit the bill? Take a look here:

http://sound.westhost.com/project48.htm

Should reach 30Hz in your box size requirements and the cold amps can supply enough power to get it working well I reckon

This design is based on the principal that this particular woofer design has pushed the resonate point well above the actual crossover frequency and now your using the sloped circuit to pull everything back to flat below resonance (12db per octave speaker drop below f/s and 12db circuit att.)

This is a superior design IMO

This might not work properly with the peerless arrangement

Regards
David

[billnchristy]

I am going to build a .75 cu ft enclosure for 2 Mpyre 65X subs.

It wont be loud, max of 102dB but will still be above 90dB at 20hz and still around 80 at 10hz.

Nice and simple sealed system with an F3 of 35hz.

[Cal Weldon]

Originally posted by Lindell
Ok, so I just placed on order for two Tang Band 6,5" woofers.

Glad you chose them. I'm interested in hearing what you think. I have mine in a PR system and am quite happy.

[ALFIrE]

any progress with the w6-1139 minisubs?

[Grumpy_Git]

For the ultimate in small, why not try a ripole?Especially as amp power and eq isnt an issue.

38x38x17cm?

http://www.lautsprechershop.de/hifi/...i/ripol_en.htm

Nick

[chubby chaser]

http://www.partsexpress.com/projects...aSub/index.cfm
Check this out as posible idea.

[y8s]

kinda late in the game but if I were going to build a micro-sub with good performance that had to be semi-portable I'd:

Use Neodymium magnet drivers (like the TB 6.5 and others)

Use a small box with multiple drivers (small box means less need for bracing large panels)

Use a linkwitz-transform in addition to a nice compact Tripath TAA4100 based amp and switching power supply at 12 or 24V depending on the impedance.

If you want louder, just add pairs of drivers.