Peerless replacing SL2000 in monitor 7c?

Micos

So, finally figured out where to post for the first time...initial attempt ended in Test area:redface:.
Being new to the forum I had my home work done (searching archives) before posting this question but could not get straight answer. I just got a pair of mint monitors 7C but I can not stand, by any means, sound of sl2000. I tried them on Sansui AU-7900 (acceptable) and Marantz 2252B (unbearable).
So, knowing all the differences between 5 "stock" tweeters used in Polk`s over the years I am wondering if I can replace sl2000 with Peerless ? I do not mind doing some woodwork, it is more concerning crossover modifications - will Peerless fit in or I have to adjust XO?
I have a chance to get a pair of Peerless for around 100$ and this is a bit on the top, but genuine replacement (RDO-194) is even more expensive here in Canada - goes through dealer which does not seems to care about 20% discount for CP membership so the total for pair would be 160CDN :eek::eek:!! Any advice highly appreciated. Any Peerless for sale :biggrin: ?

ben62670

If it used the SL2000's then just get the RDO-198's. Maybe someone here can help you get them a little cheaper.
Welcome to Club Polk!
Merry Christmas
Ben

Micos

I would say RDO-194? 198 replaces SL2500/3000 from what seems to be written here.
Thanks for the welcome!

ben62670 wrote: »

If it used the SL2000's then just get the RDO-198's. Maybe someone here can help you get them a little cheaper.
Welcome to Club Polk!
Merry Christmas
Ben

Micos

Added picture of my 7C (with SL2000) crossover, might be helpful to compare with 7 with peerless.

F1nut

The RD0194-1 is the correct replacement.

Maybe someone here can help you get them a little cheaper.

Damn good idea.

Micos

Yes I know, but not at 160$ a pair :mad:.....
.

F1nut wrote: »

The RD0194-1 is the correct replacement.

Damn good idea.

ben62670

Well hopefully someone can get them to you cheaper. They cost us $100 shipped for a pair plus probably $20 to ship them to you.

heiney9

Club members use to get them for $49/piece plus free shipping. Since you are in Montreal shipping might be a small fee. Last time I checked they were still $49/piece.

Don't bother using the peerless in your model, not worth the headache. Refresh the crossovers with new non-electrolytic caps and Mills resistors (lots of recommendations) and buy the RD0194-1's. You will be amazed at the positive transformation.

Good luck

H9

Micos

Thanks for the advice, refreshing crossovers is the first thing on the list. I would not even think about peerless vs. RDO194-1 in my speakers but I can not order replacements directly from Polk USA because of the Canadian dealership - and that comes to 160$-something with shipping and everything. Maybe I will bite the bullet at the end...I just hope my wife do not catch me ordering :biggrin:. Hardly able to listen at all with sl2000 in, , my old Wharfedale Laser 80 sounds way more relaxing compared to this thing. Any link for the 7c crossover refresh/upgrade? I was able to find one for 10b but not for 7, mostly interested in the parts recommended, dismantling, soldering and replacing is the easiest part.

heiney9 wrote: »

Club members use to get them for $49/piece plus free shipping. Since you are in Montreal shipping might be a small fee. Last time I checked they were still $49/piece.

Don't bother using the peerless in your model, not worth the headache. Refresh the crossovers with new non-electrolytic caps and Mills resistors (lots of recommendations) and buy the RD0194-1's. You will be amazed at the positive transformation.

Good luck

H9

ben62670

If the diagram is not posted the best thing to do is pull the XO and read the values on them. Do the XO's first, and after the end of the year I will see what I can do about getting those tweeters to you cheaper.
Merry Christmas
Ben

Micos

Thanks Ben and happy Christmas to you (with slight delay...)
I will do heresy first and try to hush Sl2000 with slight XO modification, will not hurt to try. This might also "iron" 5db peak wherever it happens. I am not sure if mids are not also affected by sl2000`s screaming, sounding more artificial than any of the speakers I have.

ben62670 wrote: »

If the diagram is not posted the best thing to do is pull the XO and read the values on them. Do the XO's first, and after the end of the year I will see what I can do about getting those tweeters to you cheaper.
Merry Christmas
Ben

comfortablycurt

Micos wrote: »

Thanks Ben and happy Christmas to you (with slight delay...)
I will do heresy first and try to hush Sl2000 with slight XO modification, will not hurt to try. This might also "iron" 5db peak wherever it happens. I am not sure if mids are not also affected by sl2000`s screaming, sounding more artificial than any of the speakers I have.

The XO mods won't do away with the 5db peak that the SL2000's are known for. You'll be replacing the crossover components with the same value components, and thus the tweeters response will still be the same. The sound will be vastly improved, but it won't do away with that peak. The only way to eliminate that, would be to swap in some RD0-194's.

If you're patient, I'm sure you could snag a nice used pair from someone on here. Post an ad in the Want to Buy section. I'm sure someone around here has a spare pair of 194's they'd be willing to part with.

Micos

Well, my idea was about replacing tweeter`s 12mF mylar capacitor with 6mF one which would cut him a bit higher, at around 5500Hz from current cca. 4500Hz. And one low value resistor to try to "iron" that 5db peak.
At least until I find some reasonable priced replacement....I paid 150$ for the pair in fair mint condition (not quite garage sale deal) so that drives my budget- minded tweeter replacement. Have (still) great sounding Wharfedale
Laser as well but their tweeter`s ferrofluid is giving up resulting in less crisp and slightly muddy highs. No help in this case whatsoever, parts have been discontinued some 25 years ago....Thanks for the advice, I will post ad for RDO-194.

comfortablycurt wrote: »

The XO mods won't do away with the 5db peak that the SL2000's are known for. You'll be replacing the crossover components with the same value components, and thus the tweeters response will still be the same. The sound will be vastly improved, but it won't do away with that peak. The only way to eliminate that, would be to swap in some RD0-194's.

If you're patient, I'm sure you could snag a nice used pair from someone on here. Post an ad in the Want to Buy section. I'm sure someone around here has a spare pair of 194's they'd be willing to part with.

ben62670

Don't change the value of the XO components. Get the right tweeter. I should be able to help you out in a week or so.
Ben

heiney9

comfortablycurt wrote: »

The XO mods won't do away with the 5db peak that the SL2000's are known for. You'll be replacing the crossover components with the same value components, and thus the tweeters response will still be the same. The sound will be vastly improved, but it won't do away with that peak. The only way to eliminate that, would be to swap in some RD0-194's.

Actually in my experience it's even worse because you have fresh parts and in many cases a tired tweeter. The sl2000 as it ages seems to get worse.

H9

Micos

O.K. I`ll stay put until something right comes up.

ben62670 wrote: »

Don't change the value of the XO components. Get the right tweeter. I should be able to help you out in a week or so.
Ben