(Not me) If someone wants to build an ultra-econo-econowave...

[bwaslo]

Re: (Not me) If someone wants to build an ultra-econo-econowave...

Gave em half an hour pumping 10Hz sinewaves at 50W.... not enough change in the parameters to mention. Qts is still in the "near useless" category....

[PWR RYD]

Re: (Not me) If someone wants to build an ultra-econo-econowave...

bwaslo,

Please measure them again after a good break in period and let us know their T/S parameters. I have a half baked idea for drivers like these :D

Thanks

[bwaslo]

Re: (Not me) If someone wants to build an ultra-econo-econowave...

Edit:
Well, then again, not so much. Measured via WT3:
Re=6.832 (data sheet: 7.2)
Fs=35.66 (32)
Qts=0.796 (0.41)
Qes=0.942 (0.475)
Qms=5.149 (2.9)
Le=2.169 (1.37)
Vas=6.38cu ft = 181 ltrs. (232l)

They're still cold from being in the FEDEX truck, but don't think they'll change that much from warming up. Nice LOOKING woofer for $20, though. Maybe for an OB

[bwaslo]

Re: (Not me) If someone wants to build an ultra-econo-econowave...

If they live up to their spec sheet, a couple of those, a pair of the QSC waveguides, some D220ti drivers, and sealed 3cu ft boxes, xovers... could be some amazing and crazy efficient constant directivity speakers.

Edit: see follow-up post

[johnnyrichards]

Re: (Not me) If someone wants to build an ultra-econo-econowave...

If I wasn't lousy with drivers and projects right now... Maybe next year.

[PWR RYD]

Re: (Not me) If someone wants to build an ultra-econo-econowave...

Those look like fun! Stick them in a couple of bass bins and they would go with the Sony buyout line arrays like peas and carrots!

[bwaslo]

Re: (Not me) If someone wants to build an ultra-econo-econowave...

That's hard to resist.

[johnnyrichards]

Purchase code HMP100 nets you this for $20.

Posted response looks pretty swell to work with:


MCM also has a lot of their horn loaded mids and tweets on sale, too. Not my cup of tea but there have been a couple comments on the "Flex Your PCD Meddle" thread about this type of build...