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Old 12th July 2009, 04:09 PM   #1
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Join Date: Mar 2009
Default Help Me Build My Speaker - (based off Pro Ac Studio 100)

Hello everyone, I'm looking for some recommendations in building my speaker.

I started out wanting to build a straight up clone of the Pro Ac 100. After gathering plans and materials, it occurred to me that the ScanSpeak 18W/8542 7" midwoofers were unavailable.

It turned me on to the idea of changing those woofers in my plan to the ScanSpeak 18W/8545 7" Paper Cone Woofer from Madisound

More readily available, and possibly an interesting fit for this speaker.

I started looking at some different speakers - the Amish 45/95 - - and they seem to reinforce this combination with the 9500

another source of inspiration could be the Galtis - in the way that it uses the 9700

Amish Crossover:

Click the image to open in full size.

Galtis Crossover:

Click the image to open in full size.

Another potential Tweeter I had been flirting with is the SEAS Prestige 27TFFC (H0881)

As far as the cabinet is concerned (and crossover for that matter) - I don't know if I can use any of these due to the fact I'm looking to design a much smaller cabinet, in the ballpark of the Pro Ac 100 (below)

Click the image to open in full size.

Click the image to open in full size.


here is the original crossover for the Pro Ac 100:

Click the image to open in full size.

Any suggestions would be greatly appreciated - I want to retain the quality of these larger speakers - but put them into the Pro Ac 100's ballpark of size. In some senses, this just started out as a modified Pro Ac 100 - but due to the fact that I'd love to hear what different components would be capable of, I'm really open to ideas and suggestions!

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Old 20th July 2009, 02:16 PM   #2
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Join Date: Mar 2009
I have begun to make my choices for the speaker:

After some research and listening, I am going to go a little bit radical and considering to change the Scan Speak 9700 out for a Vifa DX25TG tweeter.

I have literally no references to a crossover design that pairs this with the Scanspeak 8545 so I plan on designing one or possibly modifying a pre-made Madisound Solist Premium crossover.

As far as the cabinet size, would I be correct to assume I should go a little bit bigger than the cabinet it was based off of (the pro ac studio 100)

picture below:

Click the image to open in full size.

Click the image to open in full size.

Can anyone suggest a modded crossover design? (I have several listed below, mostly for the pairing of 8545/Scan Speak 9500/9700

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