mission 753 Repacement Tweeter Saga - diyAudio
Go Back   Home > Forums > Loudspeakers > Multi-Way
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

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
Thread Tools Search this Thread
Old 22nd May 2009, 12:13 AM   #1
jops is offline jops  United Kingdom
diyAudio Member
Join Date: May 2009
Default mission 753 Repacement Tweeter Saga

Not wanting to bore people with the long running saga regarding the doomed 753 tweeters , I was wondering if there was anyone out there that had experimented with different branded Tweeters and whether they had any success.

I'm still loathed to throw out my 753's and want to have a bash at putting new life into these. I cant find an original spec for the tweeters other than there 4 Ohms so its difficult to match them.

If anyone has had a go I would appreciate your experience

  Reply With Quote
Old 22nd May 2009, 06:22 PM   #2
diyAudio Member
Inductor's Avatar
Join Date: Feb 2006
Location: Cascais
Is your problem just the tweeter. Please post a picture and more details, like size (face plate), dome material, xover, serial numbers. Did you tried to send for repair? I could not understand what you are in need.
  Reply With Quote
Old 23rd May 2009, 04:14 PM   #3
jops is offline jops  United Kingdom
diyAudio Member
Join Date: May 2009
Hi Inductor

Thx for the reply. I've checked the voice coils on both tweeters and the circuits are open, inspection confirms the damage, replacement tweeters and voice coils are no longer available.Visual inspection of the XO looks okay nothing fried.

the XO

the complete XO

The original tweeter is 4 Ohms but cant find any further info.

the tweeter

I was wonder whether anyone had used a none mission tweeter on these speakers with any success, as I know that these were popular and given the availability of parts.

the lower OX tweeter control

I realise that the drivers need to be carefully matched to XO, being a newb what be the pit falls of -

a. just fitting another decent 4 ohm tweeter

b. fitting a 6 or 8 ohm unit with additional resistors ( and what these might be) in parrallel

c. not blowing up the rest of the speakers and half the neighbourhood

Mission 753 spec

Unfortunatley I dont have a scematic not the equipment (only a MM ) to make one.
I'm a complete newb at speaker modding and repairs, I'm ok with a soldering iron but my idea of a resistor is something 8mm long , not the size of a house brick, so you must excuse me.

many thx for any assistance
  Reply With Quote
Old 23rd May 2009, 05:40 PM   #4
diyAudio Member
Inductor's Avatar
Join Date: Feb 2006
Location: Cascais
Just a follow-up on documentation.

One of 25 different versions of speaker/xover for the 753 Mission by diyAudio-justblair.

Problems and fixing/looking for a tweeter or voice coil for the 753 Mission.
diyAudio Forums - I bought bad Mission 753's, T's and x-overs fried, worth fixing?
I bought bad Mission 753's, T's and x-overs fried, worth fixing?

Also in the meantime take some time and give a call to
Wilmslow Audio UK

peter comeau at World Designs UK

ratechnology.co.uk - Richard Allan - Recone Lab
  Reply With Quote
Old 23rd May 2009, 08:37 PM   #5
jops is offline jops  United Kingdom
diyAudio Member
Join Date: May 2009
thx for the reply

read the article regarding the rebuilding of the fried 753's which was really interesting.

Will check out the other options. I have that 'feeling' that this may become obsessive, as long as it does'nt become compulsive
  Reply With Quote
Old 24th May 2009, 12:50 AM   #6
diyAudio Member
Inductor's Avatar
Join Date: Feb 2006
Location: Cascais
What's the voice coil/dome size? Would you like to have a metal dome or textile? Does price matter? You see there is this (new) tweeter from Audax that looks very good on paper/specs and that could work well but I don't know how to implement it for you, this is, if you are interested in this crazy adventure and if it is adaptable or not in it's mechanical dimensions.

Audax TW025A8 (25mm) 68,20

Vifa DX19TD05-04 (19mm)

Morel MDT29-4 (28mm) Textile dome
  Reply With Quote
Old 24th May 2009, 01:27 AM   #7
diyAudio Member
Inductor's Avatar
Join Date: Feb 2006
Location: Cascais
I think it's a 19mm Vc. tweeter with a 57mm diameter. But you decide (I had to read everything).

If you can't repair/replace just upgrade.

Peerless part number (811877)
  Reply With Quote
Old 8th August 2009, 10:55 PM   #8
diyAudio Member
Join Date: Apr 2009

we've just repaired the tweeters of MISSION 753. As we can't get replacement drivers either from MISSION nor from PEERLESS (difficult times for the PEERLESS guys since they were bouht by Tymphany) we looked for another tweeter that fits into the front grille without too much mechanical modification.

We finally used a CAR POWER DT-284S from MONACOR. This need only minor modification of the X-over, too.

We will issue a report on the tweak in a few days . . .

BR Pico
  Reply With Quote
Old 26th September 2009, 07:36 PM   #9
diyAudio Member
klauseva's Avatar
Join Date: Mar 2006
Location: Copenhagen, Denmark
Default Mission 753 tweeter repair

Try Sinevoice in Belgrade, Serbia, he can repair the 753 tweeters, if you still have the old ones to send to him: www.sinevoice.com

BRgds Klaus
  Reply With Quote


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
Damaged Mission 717 tweeter David McArthur Multi-Way 1 5th January 2008 04:18 PM
Mission M74 Tweeter upgrade needed. Marsh Multi-Way 0 18th April 2007 02:13 PM
Repacement drivers for Ruark harrygrey382 Multi-Way 6 27th March 2007 04:54 PM
saga of the 103 tomtt Full Range 10 10th December 2006 12:38 AM
cd75MkII mod ... it could be a saga El_Hefty Digital Source 5 19th August 2006 05:38 AM

New To Site? Need Help?

All times are GMT. The time now is 03:15 PM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2