Apogee Centaurs- going active

Status
Not open for further replies.
Ribbon suspension peaces.... only came with Apogee stock MT ribbon replacements.....than where used on all Apogee.....like the Grand Stages,an all other haybrids.... as was 4ea added magnets..2 at the top an 2 at the bottem.....as seen in pic1..of a pic of a ribbon trying to swist from being driven hard maybe ...it standing up......tork..with added magnets it would have ripet the ribbon off with out the suspension peaces...
I new the movement of the ribbon would be increst......with added magnets...for more output..see the 2ea add bottem magnets that fill the gap... so called ribbon port.. that's on the the minny frist Stages, centars minors ribbons...
2pic are my Stages type....
an then
3pic Delta,s....that i think may have more output.......for sure it got a diff inpedancs two show the amps....righjt...who knows..
 

Attachments

  • DSC_8587[1].JPG
    DSC_8587[1].JPG
    193.4 KB · Views: 135
  • 827686834_YAKAz-L[1].jpg
    827686834_YAKAz-L[1].jpg
    142.9 KB · Views: 139
  • 455928d1419730547-apogee-centaurs-going-active-dsc_0002[1].jpg
    455928d1419730547-apogee-centaurs-going-active-dsc_0002[1].jpg
    592.8 KB · Views: 132
Last edited:
I've just checked the box of fixings and I DO have the suspension pieces. Churlish not to fit them.

Been busy this evening. pics to follow But have
cleaned grilles (slug problem before we replaced the floor)
drilled out grill mounting holes to 10mm so i can take them off for listening
De-wired first ribbon. Bitch of a job as all the wires were bent over and you can't just cut them (well i could but only solid core I have is mains wire).

I am going to practice tensioning on the old ribbon tomorrow as noticed it's easy to put a twist in the ribbon. but first I need to work out exactly what the foam paint roller is for.
 
Yes....There NO going back with the suspension pieces......No way to A/B to see whish sounds better. with or without.........
Graz sends them for the others.... the Minors crossover is higher than all others.... MT has almost NO movement ever when driven Hard....
but I think I see what the roller for...go here an scoll down...looks like it to hang the end of the ribbon over.....to get the right tichen....maybe...



http://www.apogeespeakers.com/manuals/stage_midtweeter_replacement.pdf
 
Last edited:
well first ribbon installed back in speaker and started on the second. second one has a cracked magnet, possibly from when one of my kids knocked it over years ago. can't replace it so will put some tape around to make sure it can't move.
 
Cant glue?....man would not wont to damage the new ribbon....youll do the right thing...pay me no mind...thinking outloud....
I was think of add magnets two the top two bottem .I have a guy that has a pr of ripet Duetta bass panels may get just for the magnets..like the newer MT for more output...but then I would have to make my on suspension peaces....look like with out them may rip the ribbon....I gess I need to move on from these old Apogee....I gess iam stuck in the 90s.....
 
suspension pic. It is sticky on one side so no faffing with silicon glue. If you suffer from your ribbons going all chubby checker on you happy to post them. I won't have the power available to do that so will leave them off.

Bill
 

Attachments

  • suspension.jpg
    suspension.jpg
    41.3 KB · Views: 118
Right pic time. excuse awful background again (but I have full approval for man shed now) and some resizing that doesn't seem to have worked.

First pic is the ribbon before. You can see how manky the original is and if you look closely you can see one of my running repairs that kept them going for the last 5 years.

Second is the ribbon after. The double sided duct tape holding the wiring down had completed lost its stick. I did have some fresh double sided, but decided to tape it down properly. no flappy wires in my ribbons.

Third is a close up so you can see the difference in the mounting and clamping. No clamp creating a stress point on the ribbon!

last one is the cracked magnet. Now epoxied and curing.
 

Attachments

  • cracked magnet.jpg
    cracked magnet.jpg
    138.5 KB · Views: 110
  • after close up.jpg
    after close up.jpg
    148.9 KB · Views: 109
  • after ribbon.jpg
    after ribbon.jpg
    251.7 KB · Views: 112
  • ribbon before.jpg
    ribbon before.jpg
    332.3 KB · Views: 120
And finally, the new woofer vs the old. Magnet looks loony large for an OB, but JohnK has used them, so they must be good. Still not decided on best way to enlarge the opening by the 2mm or so required.
 

Attachments

  • woofers front.jpg
    woofers front.jpg
    111.8 KB · Views: 84
  • woofers rear.jpg
    woofers rear.jpg
    120.6 KB · Views: 91
Well as I said....Its a oneway trip......I know it has to change the Sound....Adding mass to a vary lite ribbon....like you say if you have movement in the 26" ribbon but still... I think it was made for the 26" ribbons with added magnets....to get the small I think added output..
....mabe it made big diff ..

One thing I did find was a pic...from the side ...of the Stage Grand...
I had only saw them from front in pic....you can see thay made a biger vertical slot...at top an bottem..maybe better disbesion.....
how know are cares...right..hehe......old Apogee ribbon .....geessssssssssss
 

Attachments

  • apogee%20mini%20grand%20edge%20500pix[1].jpg
    apogee%20mini%20grand%20edge%20500pix[1].jpg
    70.2 KB · Views: 96
Status
Not open for further replies.