MTM Design needed on a budget - 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 18th September 2003, 10:01 AM   #1
diyAudio Member
 
Join Date: Sep 2003
Location: Melbourne
Default MTM Design needed on a budget

Ok people, just got into diy recently, and i want to build a pair of MTM speakers with a Austalian $ budget of ~$500 including wood and crossovers. Also i dont really want to import anything as that cost big $ here.

So my question is this: What sort of components should i use for a pair of MTM speaker on a $500 budget?

All comments and suggestions welcome.
  Reply With Quote
Old 19th September 2003, 04:43 AM   #2
GM is offline GM  United States
diyAudio Member
 
GM's Avatar
 
Join Date: Jun 2003
Location: Chamblee, Ga.
Doesn't look like any of the Aussie's here are going to chime in, so I'll take a stab at it. You don't mention what your performance goals are, but I gather that Fostex is readily available/cheap Down Under, so why not use a couple of their ~fullrange drivers and a supertweeter to keep the XO/overall design simple?

GM
__________________
Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.
  Reply With Quote
Old 20th September 2003, 01:26 AM   #3
diyAudio Moderator Emeritus
 
roddyama's Avatar
 
Join Date: Jan 2002
Location: Michigan
P-Audio has a large line of reasonably priced speakers and are available down under.
http://www.paudio-europe.com/products/db_1_10.htm
__________________
Rodd Yamashita
  Reply With Quote
Old 20th September 2003, 02:35 AM   #4
diyAudio Member
 
Join Date: Jul 2003
Location: Silicon Valley
Default Re: MTM Design needed on a budget

Quote:
Originally posted by kRaZeDcHiCkEn
Ok people, just got into diy recently, and i want to build a pair of MTM speakers with a Austalian $ budget of ~$500 including wood and crossovers. Also i dont really want to import anything as that cost big $ here.

So my question is this: What sort of components should i use for a pair of MTM speaker on a $500 budget?

All comments and suggestions welcome.
Check out the ME2. http://www.aloha-audio.com/Ariel.html
__________________
Davy Jones
  Reply With Quote
Old 20th September 2003, 07:16 AM   #5
just another
diyAudio Moderator
 
wintermute's Avatar
 
Join Date: Aug 2003
Location: Sydney
Blog Entries: 22
If you can get away with about $200 for tweeters, cabinets, and xovers (probably a tall order) then these may be worth a look:

http://www.advanceae.com.au/car/prod393.htm

LDSG says this about them.... P13WH-00-08, a 5" (13 cm.) PP cone mid/bass. This driver is used in the popular Ariel and many other highly regarded DIY projects. Its ruler-flat passband response and well-controlled roll off have led many DIY'ers to declare this to be the finest midrange driver in existence

You can probably find them elsewhere here in oz too. Note I haven't used or heard them, but I have been very happy with my vifa M26WR-09-08 10" woofers

Regards,

Tony.
  Reply With Quote
Old 20th September 2003, 09:13 AM   #6
diyAudio Member
 
Join Date: Sep 2003
Location: Melbourne
Default Thanx for the replys

Thanx for all your comments and suggestion folks. much appreciated
__________________
the greatest mistake that humans have ever made was to reproduce!
  Reply With Quote
Old 20th September 2003, 09:32 AM   #7
diyAudio Member
 
Join Date: Mar 2003
Location: brisbane queensland
You can try wescomponents.com they sell vifa perless & scan-spek

http://www.wagner.net.au/Home.htm . online catalogue
  Reply With Quote
Old 20th September 2003, 10:18 AM   #8
diyAudio Member
 
Join Date: Jan 2002
Location: Canberra, Australia
Apologies, didn't see this till today.

Recently (within the last 2 years) I helped a friend to build an MTM using Vifa p17WJ008 and D25AG but from memory, drivers alone for this would blow your budget. From memory, we ended up at around 800 australian once all was said and done.

What are your goals?

Do you want deep bass, high efficiency, magnetic shielding for use near a telly, compact cabinets, high power hadling/levels?

Why specifically are you set on using MTM?


As far as GM's comments upon the use of Fostex and their low cost and easy availability, I beg to differ.

My experience was through Syntec in Sydney who are the official Fostex " distributor" (I use the word advisedly)

For the benefit of DIY Audio, I preface my comments to come with the following:
"What follows is my own personal opinion, based upon my own personal experience and does not neccesarily reflect the standard outcomes, operating procedures or results of dealing with the company named. DIY Audio bears no responsibility for my comments and are free to delete or edit them as required, should the consider my content libelous or placing them in a difficult or predjudiced legal positon."

There, I think that should cover things...

My dealings with Syntec were far from ideal. Yes I got the drivers (Fostex FE168 Sigmas).
BUT
Syntec's distributorship of Fostex in Australia seems to require one thing, posession of a computer or telephone to place orders to Fostex in Japan. AFAIK, they keep no stock of drivers, but simply order them once an order has been placed and the customers money has been obtained (cheque cleared, vias debited etc). Shipping is by sea mail (cheapest for Syntec but maximum delay for customer). Upon the arrival of the goods to Syntec, they forward them to the cutomer, having pocketed a substantial ditributors markup, simply for having made a phone call. I could have purcahsed the same drive units from EIFL in Japan, paid full import duties and still come out a couple of hunderd dollars in front. (and got the items around 3 weeks faster) I personally wouldn't deal with them again.

Aside from fostex, My own experience with the vifa units has been fine. Some folks don't like them, I'm ok with them.

If you can bear to tear yourself away from the MTM option, HiFi Worlds's KLS9 speaker using Audax HM210ZO and TWO25MO with first oder crossovers (series 4uF and 3.3R on tweeter) and (series 1.2mH 0.66ohms DCR inductor on woofer) in 72l reflex cabinet might suit your needs.

I can't find details of the port tuning off hand, i know that ME sound used to stock Audax units but I'm not sure how much they are these dayPossibly worht a look.

in this design, the tweeter polarity is reversed.

Hope I've helped.

If you have any more questions, email me at andrew(dot)w(dot)pearce(at)awm(dot)gov(dot)au.

I can put you in touch with a chap called Gradds in Newcastle who has done lots of low cost LS work.

Happy listening

Drew
  Reply With Quote
Old 20th September 2003, 10:58 AM   #9
diyAudio Member
 
Pjotr's Avatar
 
Join Date: Nov 2002
Location: Netherlands
Hi,

Have looked around http://www.advanceae.com.au/ They sell also Peerless. For the tweeter I can recommend the WA10 WITHOUT ferrofluid. They list the WA10-shielded wich one is comparable and is w.o. ferrofluid. To my experience this one is great value for the money. For the mid/bas I can recommend the Audax AM130Z2 but have no idea who sells them in Australia. Alternatively you can go for the AP130Z0. Crossed over at 3 KHz this is also an exellent one for the price but has lower sensitivity.

This combo will cost you around $250 for a pair of MTM speaker boxes w.o. filter and wood.

Cheers
  Reply With Quote
Old 20th September 2003, 11:22 AM   #10
diyAudio Member
 
paulspencer's Avatar
 
Join Date: Sep 2003
Location: Melbourne, Australia
Hi Krazed,

nice to see another Melbourne person

I have just finished a set of speakers and I can make a few recommendations/suggestions:

On a budget of $500 you might do something like:

$170 2 x Vifa P17 6.5" midbass driver
$ 70 2 x Vifa D19 textile tweeter or similar
$ 40 MDF
$ 60 crossover
$130 screws, glue, damping, finishing

This is a bit of a guess with the costs, but you could do a simple medium sized bookshelf speaker or for not much more you could do a floor standing version. Can you stretch the budget a little more? If so you can make it floorstanding, add another pair of midbass drivers and get a bit more bass, more efficiency and SPL.

I also suggest you go have a look at the Loudspeaker kit:

http://www.theloudspeakerkit.com/

You might find it hard to do something better than some of their lower priced kits.

Even if you don't buy a kit you will get to hear some drivers you may want to use. (They are in Melbourne)

A good source of Vifa drivers are:
http://www.advanceae.com.au

I have links to some suppliers in Australia on my website:
http://members.optusnet.com.au/~pete...resources.html

Jaycar are a good source of items like speaker hardware, grilles, terminals, cables etc.

If interested you might also like to check out my speaker I recently built:

http://members.optusnet.com.au/~pete.../audio/TL.html

Hope this helps,

Paul
  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
Diminutive full-range on a beer budget needed. raypalmer Full Range 37 23rd March 2009 11:47 PM
design help needed. neazoi Tubes / Valves 14 8th September 2007 03:43 PM
First time build help needed budget oriented sbrunkow Multi-Way 1 24th October 2006 05:23 PM
PCB and Design needed prozach7 Chip Amps 0 15th August 2006 06:25 PM
is there a budget diy design for me? leadbelly Multi-Way 7 20th January 2003 01:09 AM


New To Site? Need Help?

All times are GMT. The time now is 06:22 PM.


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