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Using Infinity Sterling SS2003 Cabinets?

post #1 of 6
Thread Starter 
I have a set of Infinity Sterling speakers with cracked foam surrounds. The interior dimensions are 9"x8"x17" and sealed. I would like to replace the woofers and possibly the foam tweeters.

Question 1: can I/should I reuse the cross-over in it and what is the cross-over point?
Question 2: any recommended 8" drivers for these dimensions?
Question 3: should I reuse or replace the tweeters also? Any recommendations?

Any help is appreciated. I'm using these as a first step into DIY (granted a baby step). They with be used as fronts and driven by a Denon AVR-1713.
post #2 of 6
Quote:
Originally Posted by Ozzie Isaac View Post

I have a set of Infinity Sterling speakers with cracked foam surrounds. The interior dimensions are 9"x8"x17" and sealed. I would like to replace the woofers and possibly the foam tweeters.

Question 1: can I/should I reuse the cross-over in it and what is the cross-over point?
Question 2: any recommended 8" drivers for these dimensions?
Question 3: should I reuse or replace the tweeters also? Any recommendations?

Any help is appreciated. I'm using these as a first step into DIY (granted a baby step). They with be used as fronts and driven by a Denon AVR-1713.

My recommendation would be to redo the crossover and buy a new tweeter, but you will want to look for a relatively efficient driver in the 90db range that is good up to around 3khz if you plan to use the existing crossover and tweeter. The Dayton Designer 8 would be a decent option if you want to use the existing tweeter and crossover. The Peerless 830869 would also be a decent option at a slightly higher cost. There could be better options, so look around at the different FR graphs and see what you can find.

Someone else had a similar issue and replaced the woofer with another driver he already had http://steveneudaly.wordpress.com/2012/10/07/inefficient-but-cost-effective/. While the Dayton RS225 is a good driver, I don't think it's a great match if you plan to keep everything else the same. Although a little EQ can help balance the output.
Edited by brianjb - 4/20/13 at 6:45pm
post #3 of 6
Thread Starter 
Brianjb-

Thank you for the information!
post #4 of 6
Thread Starter 
If I went with the Dayton Designer 8's and a 2khz cross-over what tweeters would compliment them?
post #5 of 6
Quote:
Originally Posted by Ozzie Isaac View Post

If I went with the Dayton Designer 8's and a 2khz cross-over what tweeters would compliment them?

Any of the Dayton 1 1/8" domes would likely work out fine. You may want to do some research on your own though and look at cutout sizes too. I have no idea how large the existing cutout size is, but I assume you would prefer it to fit in the existing hole. Speaking of hole cutouts, you may want to measure the woofer cutout and see if the woofer will fit too. It's really for aesthetics, since it will have little difference in the way they sound.

Before you get in too deep, you may just want to replace the woofer and see how it sounds. No sense going through the added expense of new tweeters and crossovers if you end up being happy with just the woofer replaced. I don't know what your experience is in building crossovers, but I assume not a lot based on your line of questions. Things start to get a lot more complicated if you go down that road, and my earlier recommendation about building a new one was probably premature. If you are interested in using this as a learning experience, the following link is a good starting point to understand what's involved https://sites.google.com/site/undefinition/simulated-measurements.
post #6 of 6
Thread Starter 
Again, thanks for the response.

I will start digging in deeper. This is my first attempt and the intent is to learn what all is involved. There is so much information available, that initially it is overwhelming, especially when trying to sort out what is truly important vs. what is marketing hype. I wanted to get a few recommendations so I understood which direction to start in.

Luckily, these are an extra set of speakers I had sitting storage so I figured they would be fun to play with. Hopefully, I can get a decent sounding set out of them. We are on the same page, because I was intending to order a set of woofers first and go from there.

fyi, thanks for the link. that is exactly what I needed.
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