Driver and enclosure recommendations for small room.

[HiVi Guy]

Hello diyAudio community.

I am putting together a game plan to build a Class A amplifier and fullrange speaker stereo system for my bedroom. My bedroom is 13ft x 13ft. The speakers will be close to walls and probably placed in or near corners. My budget for drivers is $100 for the pair. The only cabinet requirement is simplicity, meaning the cabinet must be fairly easy to construct. The cabinet plans must also be free of charge. I will probably build a small subwoofer in the future. I would like to see some driver and enclosure recommendations that will fit my application. Thank you so much for the time taken to read and reply to my post.

[jimbro]

Though I've never heard them, I think Pensils for chr70 or el 70 would fit your bill. The drivers are $38 ea I think and the boxes are easy to build and plans are free on Planet10's website. From what I've read either would do very well in a room like yours. I'd probably choose el70s because of paper cones and better bass.

[zman01]

IIRC the EL70 does not go into Pensils, however the CHR70 does.

Good suggestion from Jimbro on the Pensil. Another easy build is the P10 Half Tower; works with both CHR70 and EL70.

[Rullknufs]

The EL70 sure is a very good driver! Haven't compared it to the CHR70.

[jimbro]

Originally Posted by zman01

IIRC the EL70 does not go into Pensils, however the CHR70 does.

To quote my illustrious governor - "oops"

[chrisb]

EL70 works like a charm in the dual driver MT, and I'm sure wouldn't be hurtful in the single drive version thereof - the build would be as simple as a Pensil, and uh, I forgot the third thing

[planet10]

Might be a bit more challenging than you need, but corners make me think Frugel-Horn Mk3 with FE126En

dave

[HiVi Guy]

Thanks guys! Those where the two designs I was considering.

While the Frugal-Horn calls my name, I think I will build the Mark Audio R70 just because it will be cost effective and simple to build. I will be building First Watt F5. Will the R70 work well with this amplifier? I want to build the FE126En Frugal-Horn but I lack the tools to make accurate angled cuts.

Thanks again guys!

[planet10]

F5 will be good

dave

[Bigun]

I have a pair of EL70's and they are really nice, but I am always conscious of the lower impedance - 4R nominal - which allows more power for the same amplifier power rail voltage compared with 8R nominal, but requires higher Class A bias current and hence more heat.

CHR-70 is nominal 8R and looks to have a more extended freq. response (see attached, EL70 on left - courtesy of Mark Audio)

If you like the FH3, you can, if I remember, get a ready-cut kit of wood from Planet10.