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I've thought about cap replacement for my 910's, but with the exception of the parallel bass cap, they are all box type film caps. I replaced the tweeter series caps with some Wima MKP types that fit the same pin spacing but didn't really hear much/any difference. It's possible the midrange caps could have a more noticeable difference since that's where most of voice and instruments reside. With the crossover being in such an accessible locations I thought it might be fun to build a new one from scratch and get rid of all the switches and connectors other than the Jones plug to connect the drivers. I'll probably never get around to it.
John
 
I would probably leave the box caps and just replace the round one.

Here's a couple pics of the drivers before I sent them to Richard. Cat hair courtesy the PO.
IMG_0801_zps5ewuyug4.JPG IMG_0803_zpscjc1lvuk.JPG IMG_0804_zpsmaz0scsx.JPG IMG_0805_zpsen2hh36f.JPG IMG_0807_zpsb3sncmtv.JPG
 
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Interesting. You have the newer, smaller tweeters. Mine are 206-0100 1" tweeters. I'd be curious to know if the crossovers are different.
John
 
nerdorama said:
Interesting. You have the newer, smaller tweeters. Mine are 206-0100 1" tweeters. I'd be curious to know if the crossovers are different.
John
Click to expand...
Hmmm. These are all original. It was quite difficult removing them and I was afraid I was going to do cab damage.

Not sure about the crossovers.
 
nerdorama said:
Interesting. You have the newer, smaller tweeters. Mine are 206-0100 1" tweeters. I'd be curious to know if the crossovers are different.
John
Click to expand...

The 1' tweeters were in the series 1 and the 3/4" were in the series 2. The schematics of the two crossovers are the same but the values of some of the caps. varied, some used 4.7uf and some 6.8uf but that also wasn't consistent between the two versions.
 
nerdorama said:
I've thought about cap replacement for my 910's, but with the exception of the parallel bass cap, they are all box type film caps. I replaced the tweeter series caps with some Wima MKP types that fit the same pin spacing but didn't really hear much/any difference. It's possible the midrange caps could have a more noticeable difference since that's where most of voice and instruments reside. With the crossover being in such an accessible locations I thought it might be fun to build a new one from scratch and get rid of all the switches and connectors other than the Jones plug to connect the drivers. I'll probably never get around to it.
John
Click to expand...

nerdorama, there is a thread on recapping the 1530s that seems to be getting great reviews, they also used the square film caps in the 1530s as well, the new metalized poly caps just seem to sound a bit better than the aluminium films to many peoples years
 
michigannick said:
nerdorama, there is a thread on recapping the 1530s that seems to be getting great reviews, they also used the square film caps in the 1530s as well, the new metalized poly caps just seem to sound a bit better than the aluminium films to many peoples years
Click to expand...

Thanks. I've seen that thread and it is veddy interesting. I may get myself up to doing it on the 910's. I was particularly struck by the comments about replacing the large electrolytic in the bass section.
 
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Just got some pics from Richard! The rebuilt drivers look great! Will ship out Monday.
Can't wait to hear these.
IMG_3188_zpsrmxsltvd.JPG IMG_3189_zpszvck8nwo.JPG IMG_3224_zpsde84opor.JPG
Before rebuild.

After!
 
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Glen,
Could you post some pics of your crossovers showing the capacitor values? I'd like to compare with mine so I can figure the differences for the V2 speakers with the 3/4" tweeter.
Thanks,
John
 
The only difference I see upon a quick comparison is the brighter yellow 6.8uF. It's 4.7uF on mine. Otherwise the components all appear to be identical.
 
These sure are purdy! The package was delivered yesterday, I couldn't wait to see these rebuilt, and boy Richard did a great job! The domes are virtually transparent now, not black like the old ones. I hope to get them reinstalled this evening.
Glenn
IMG_0861.JPG IMG_0862.JPG IMG_0863.JPG IMG_0865.JPG IMG_0867.JPG IMG_0868.JPG IMG_0869.JPG
 
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Midrange no ferrofluid, tweeter had ferrofluid, looking at those voice coils.

Dang they look good. I want some of that. Are they sticky?

Let us know how they sound.
 
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