Full-range for dummies...

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Francesco

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Joined 2006
Hi all, I'd like to build a couple of loudspeakers (or try, at least) and I was thinking about fullrange, they seem the simplest way to enter the DIY world.

I'd like to have a floorstander loudspeaker, with some decent bass extension, so I guess that a vented box is the way to go.

Can I use more than one driver?

Can you guys help me to start?

Thanks!

Ciao :)
Francesco
 
pjanda1

pjanda1

Member
Joined 2005
wildburroaudio.com
How about starting with some basics: system, listening habits, budget. What amplifier do you plan to use? What sort of music do you listen to? How much space do you have, and how much money do you have to spend? MLTL's, folded pipes and the like pose some real advantages over simple BR's (especially with fullrangers) and they are no harder to build. Here are some sites to get you thinking.

Many here advocate MLTL's like this:
http://www.quarter-wave.com/Project05/Project05.html

Dave's site has a ton of ideas, some very simple:
http://www.planet10-hifi.com/boxes.html

One of the BIB's may fit you (especially if you want bass from a fullranger):
http://www.zillaspeak.com/bib.asp

I'm very partial to the Hemp Acoustics drivers, but it'll be a month at least before you can get the new line. Patience is required.

There are a multitude of options that will be difficult to sort through unless you can nail down some criterea. I'm a firm believer that you should also pick a speaker and enclosure that you like the idea of. If everybody tells you (meaningless example, both would be great) that a BIB with the Fostex FF165K is absolutely perfect for you but you really really like the look and idea of the CSS FR125 in a Fonken, you should build the latter. You'll be happier with something you truly want. If you are completely open to all suggestions, then your requirements can dictate the best solution. And finally, there are strong advantages to going with the largest thing you can tolerate.


good luck,

pj
 
S

shrinkboy

Member
Joined 2006
lotuseaters.net
would the cyburg's needle also work with the RS 40=1197? i am trying to come up with a plan that a total neophyte wood chopper would be able to handle. not looking for the last word, just something to 'see if i can do it' and run with a little tripath amp or small tube amp. but, as much bass as can be develped. i already have the drivers...
 
pjanda1

pjanda1

Member
Joined 2005
wildburroaudio.com
Why not do something designed for the 40-1197? For "as much bass as can be developed" and an easy build, do the BIBs. Also look at the ZigmaHornet ML-TL and GM's ML-Voigt on Planet10's site. Click on the link from my previos post, then click on Fostex. Unlike the BIB's, I think they'll require some BSC, which will hurt efficiency wiht your little amp. You'll see 'em when you scroll down.

pj
 
F

Francesco

Member
Joined 2006
Crossblade said:
Can you build more complicated box? :D And as the size is no problem ... 6.5 or 8" fullrange driver would do it for you.

Check out Fostex FE-166/167e and FE-206/207e :smash:
Click to expand...

My girlfriend's grandfather was a carpenter (and still is) so I guess that there's no problem on this side. He's always happy to put hands on wood :D

pjanda1 said:
How about starting with some basics: system, listening habits, budget. What amplifier do you plan to use? What sort of music do you listen to? How much space do you have, and how much money do you have to spend? MLTL's, folded pipes and the like pose some real advantages over simple BR's (especially with fullrangers) and they are no harder to build. Here are some sites to get you thinking.

Many here advocate MLTL's like this:
http://www.quarter-wave.com/Project05/Project05.html

Dave's site has a ton of ideas, some very simple:
http://www.planet10-hifi.com/boxes.html

One of the BIB's may fit you (especially if you want bass from a fullranger):
http://www.zillaspeak.com/bib.asp

I'm very partial to the Hemp Acoustics drivers, but it'll be a month at least before you can get the new line. Patience is required.

There are a multitude of options that will be difficult to sort through unless you can nail down some criterea. I'm a firm believer that you should also pick a speaker and enclosure that you like the idea of. If everybody tells you (meaningless example, both would be great) that a BIB with the Fostex FF165K is absolutely perfect for you but you really really like the look and idea of the CSS FR125 in a Fonken, you should build the latter. You'll be happier with something you truly want. If you are completely open to all suggestions, then your requirements can dictate the best solution. And finally, there are strong advantages to going with the largest thing you can tolerate.


good luck,

pj
Click to expand...

You're right, it's better to add something about me :D
I mainly listen to rock/acoustic with a yamaha stereo amplifier (I'll write the exact model later, I'm not at home right now) and I sometimes use a Indiana Line HC-810 subwoofer. I can switch to a nad 3020i amplifier if I want, and in the future I'd like to build a tripath amp, just for fun.
The source is, at the moment, my PC with an onkyo se-150 soundcard, and I play only lossless audio files.

I obviously prefer not to spend a lot of money, but I don't want to go cheap at all costs.
This is a project that I'd like to do for the music/HT setup in the future house with my girlfriend, we just have an empty living room at the moment. It's around 6mt x 4mt and the TV will go on one of the short sides with the sofa at about 2-3 meters.

What else? Oh, my girlfriend fell in love with the yellow finish of some HI-VI drives, and from this point of view I'd like some modern-looking drives, since they will stand in the living room...
 
F

Francesco

Member
Joined 2006
Geoff H said:
Hi Francesco,

Scott's been a bit modest. Have a look at this:
http://www.diyaudio.com/forums/showthread.php?postid=1143115#post1143115

Thanks for the tip re GFs. Just added new requirement, must have dad with sawbench and router.
Click to expand...


1524.gif



By the way, thanks for all the suggestions and for helping me.
I'll look at the links and see if I can find something I like
 
pjanda1

pjanda1

Member
Joined 2005
wildburroaudio.com
Francesco said:

What else? Oh, my girlfriend fell in love with the yellow finish of some HI-VI drives, and from this point of view I'd like some modern-looking drives, since they will stand in the living room...
Click to expand...

I can't think of any yellow fullrangers off hand, but here are some of the more modern looking drivers:

Creative Sound FR125S:
http://www.creativesound.ca/details.php?model=FR125S

Neofone:
http://www.diyhifisupply.com/diyhs_speaker.htm

TangBand Bamboo:
http://www.partsexpress.com/pe/pshowdetl.cfm?&Partnumber=264-846&CFID=10672202&CFTOKEN=98464076

All of these are capable of decent bass in uncomplicated moderately sized enclosures. The Creative Sound and Neofone probably have enough displacement to provide adaquate volume in a BR. However, various TL designs are floating around. Not to many have reported on the Neofone, as it's relatively new. However, it looks like a real sweetie. I'd put it in a BIB. The TB Bamboo would be a great first project.

Or is this more to your liking?
http://www.madisound.com/cgi-bin/index.cgi?cart_id=7690777.9209&pid=326
(Fostex 168 Sigma) It costs a bit more for sure. It will need a BIB enclosure if it's not used in a horn. No BR's here. Where the above drivers will all be 'smooth' for fullrangers, this one will excel at 'detail.' Many consider it the epitome of a fullrange driver.

Though boring looking, as your 'cross the pond, I'd look at the Monacor options. The SPH-60x in a BIB would be a fantastic, inexpensive first project.
http://www.spectrumaudio.de/breit/monacor/monacorSPH60X.html
Shipping costs make the Monacor less attractive over here, otherwise you'd see more references to them. ScottMoose, our own BIB guru, raves about this little driver. If you got bored with the Monacor, or decided you needed higher output capabilities, the Neofone should work in the same BIB enclosure (with a different cutout, I think).

good luck,

pj
 
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