3-way Tb, silverflute and K1. idea - diyAudio
Go Back   Home > Forums > Loudspeakers > Multi-Way

Multi-Way Conventional loudspeakers with crossovers

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 11th January 2007, 08:12 PM   #1
skogs is offline skogs  Norway
diyAudio Member
 
Join Date: Oct 2006
Default 3-way Tb, silverflute and K1. idea

Hi.
as soon as i'm done with my current SW project, im going to build a pair of speakers for myself.
I want it to deliver good quality sound for low cost. (don't we all?:P)
So, therefore it's logical to pick out drivers that has a reputation of giving MUCH for the money.
after reading tons of post in a lots of different forums (doing my homework good), i've found three drivers that's supposed to have a great value, and that i can get the hands on in norway.

the drivers are Silverflute W17RC38-S as bass, Tangband W4-657SC and the Hivi K1.
http://www.madisound.com/silverflute.html
http://www.tb-speaker.com/detail/1208_03/w4-657sc.htm
http://www.swanspeaker.com/product/htm/view.asp?id=30
http://www.tb-speaker.com/detail/1208_03/28-847s.htm

I've found out that the XO will be something like LR2(?) @ 2-300hz between woofer and mid, and LR4 @ 2,2khz between mid and tweeter. an alternative could be LR2 @ 3kHz. and then add BFC to the mid.

An alternative to the K1 could be Tb 28-847S, then it would be easier the find an already designed crossover for that one.

The box could be ca 13-16litres tuned to ca 54hz as recommended by the manufacturer. but would it hurt if i made it a bit bigger? like 20litres tuned to 50hz? gives a pretty good result in bassbox pro. (i want floorstanding speakers).

i would be very thankful for thoughs and comments on my idea

Řyvind.
  Reply With Quote
Old 11th January 2007, 10:50 PM   #2
tinitus is offline tinitus  Europe
diyAudio Moderator R.I.P.
 
Join Date: Nov 2005
Why make a 3-way and still have no bass

What are your reasons for this design

I bet you can make a much better 2-way with the 8" Silverflute

I gues you know the designs from Troels and Zaph

If you really insist on your own desig, I would suggest 8" silverflute and one of the better mid/fullrange from TB, C/O would be 500-800hz and 5-10khz
  Reply With Quote
Old 12th January 2007, 10:48 AM   #3
skogs is offline skogs  Norway
diyAudio Member
 
Join Date: Oct 2006
the ting is that i've already got a pair of those Tb w4, and it's supposed to be a good speaker, but doesnt go low enough at higher spl's. And i've heard that the w4 plays much better in the mid-range than silverflute. The respnse graph doesnt look too good above 1khz on the 8", wouldn't that be too low for almost any tweeter?

since i will cross the speakers over to a SW at 100hz, i thing that the 6 1/2" will be sufficient.

do you think the SF 6 1/2" could play with equal sound quality compared to the Tb w4 in the midrange?

i've looked at the design at troels and zaph, and most of them are either too expensive, or i can't get the hand of the right drivers in norway. otherwise i would definatly use dayton!

Thanks for your reply i will rethink my project and look for other opportunities. it's nice to have some experienced people to get advice from when planning such a project
  Reply With Quote
Old 12th January 2007, 12:44 PM   #4
tinitus is offline tinitus  Europe
diyAudio Moderator R.I.P.
 
Join Date: Nov 2005
You didnt say anything about using subs, or that you have the TB allready

I guess you are right about the silverflute 6", not being too nice in upper register - allthough 4 ohm version seem ok

Silverflute 8" - I was looking at either the 4 ohm or "S" (shielded), which appear to measure better

Nothing wrong with trying it, but if you want it loud I think the 8" will do better - theres a lot of energi in the midbass region
  Reply With Quote
Old 12th January 2007, 12:51 PM   #5
RIP
 
pedroskova's Avatar
 
Join Date: Dec 2002
Location: C'ville VA, USA
You could copy Zaph's Silver Flute/Vifa design and be safe, or you could make a 2-way really mini monitor with the TB, with a LR4 high pass for the TB. I don't see the use in complicating things with a three-way design.
  Reply With Quote
Old 12th January 2007, 02:04 PM   #6
skogs is offline skogs  Norway
diyAudio Member
 
Join Date: Oct 2006
Quote:
Originally posted by tinitus
You didnt say anything about using subs, or that you have the TB allready

I guess you are right about the silverflute 6", not being too nice in upper register - allthough 4 ohm version seem ok

Silverflute 8" - I was looking at either the 4 ohm or "S" (shielded), which appear to measure better

Nothing wrong with trying it, but if you want it loud I think the 8" will do better - theres a lot of energi in the midbass region

No im sorry, i didn't mention it before. I think i'll go for it, the worst thing that can happen is that i'll have to do a lot of work with the filter tuning, but i got plenty of time, and i can learn alot from it. I think i'll try with the 8". thanks for the tip

zaph's silverflute speaker is too small, and can probably not play too loud. but i have considered it. same thing with the 2-way (wich i made a pair of recently, worked nice, but not for my use). the point in make it a three-way is to get the best of all three drivers. since i already got the w4's, then why not

thanks for reply's people! any other comments or tips?
  Reply With Quote
Old 12th January 2007, 09:25 PM   #7
diyAudio Member
 
Join Date: Jan 2006
Location: Wisconsin....what did you expect?
Send a message via AIM to Spasticteapot
Quote:
Originally posted by skogs



No im sorry, i didn't mention it before. I think i'll go for it, the worst thing that can happen is that i'll have to do a lot of work with the filter tuning, but i got plenty of time, and i can learn alot from it. I think i'll try with the 8". thanks for the tip

zaph's silverflute speaker is too small, and can probably not play too loud. but i have considered it. same thing with the 2-way (wich i made a pair of recently, worked nice, but not for my use). the point in make it a three-way is to get the best of all three drivers. since i already got the w4's, then why not

thanks for reply's people! any other comments or tips?
If you're going to cross over low (which the W4 will let you do), try the 8" Silver Flute driver, preferably the shielded, 4-ohm version. They have impressive bass performance, and crossing them over at about 250hz should work very nicely.
  Reply With Quote
Old 13th January 2007, 04:48 PM   #8
skogs is offline skogs  Norway
diyAudio Member
 
Join Date: Oct 2006
good good thanks!
then i'll use the 8" in a 25L box tuned to 58hz. F3 = 55.
i probably could use a 1st order between the mid and bass, but due to the mid's limited Xmax, that will probably limit the speakers spl. so i'll first try with LR2 @ 250hz
  Reply With Quote
Old 13th January 2007, 06:58 PM   #9
skogs is offline skogs  Norway
diyAudio Member
 
Join Date: Oct 2006
Now i've designed a XO that might be a good place to start, theres very many components involved, but i think thats the only way. I haven't included the BSC yet, because im not sure how many db i have to attenuate, i think 6db will be to much in reality. Maybe i'll just wait and see how much is needed.

it's 2nd order xo all the way, high xo at 3000 and low xo at 300. with a zobel on the mid and 1.6db attenuation on tweeter and bass.

R3, L3, R5, L6 and R8 represents the speaker. i figured that the tweeters inductanse is so small its got nothing to say on the xo. Im a little confused on one thing.. when i have used a zobel filter, then the impedance should be flat.. but will the nominal impedance be equal to "Re" then?

any comments on this filter? does it look like it could work? at least as a starting point?
Attached Images
File Type: jpg xo - eget design.jpg (38.1 KB, 395 views)
  Reply With Quote
Old 13th January 2007, 06:59 PM   #10
skogs is offline skogs  Norway
diyAudio Member
 
Join Date: Oct 2006
here's the simulated graph
Attached Images
File Type: jpg xo - eget design graf.jpg (34.3 KB, 381 views)
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
zaph's silverflute/vifa speaker chainenoble Multi-Way 30 6th April 2009 09:50 AM
any hot mtm using silverflute 5.25 4 ohm mcmahon48 Multi-Way 2 12th December 2008 05:37 AM
vifa xt25 and silverflute 8" toronto chainenoble Swap Meet 1 26th February 2006 09:44 PM
Anyone have experience with SilverFlute speakers at Madisound? DIY_newbie Multi-Way 4 15th July 2005 11:52 AM


New To Site? Need Help?

All times are GMT. The time now is 10:43 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright ©1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2