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Geoffrey,

Sorry I can't help you out with the drivers but just wanted to say welcome back. Nice to see your name on the board again.

Kind regards,

Dennis Jarchow

Unless you have access to measurement equipment to measure the frequency response of your drivers in your cabinets then any crossover (active or passive) will be somewhat of a ****shoot.

If you...

Taking accurate frequency response measurements of drivers/speakers is not that difficult with the tools readily available today (MLSSA, Clio, SoundEasy, Praxis, etc) as long as the person taking the...

Room analysis...? not sure where you are going with that. I am talking about the mic and preamp needed to take frequency response and distortion measurements of drivers and loudspeakers, not a mic...

I am sure Ken Kantor will say what I have said; this is not a good idea. In my opinion you are going to end up with a ruined speaker that doesn't sound anywhere near as good as it did before your...

No you can't change from one driver to another without changing the XO. A XO is designed for the specific frequency response of the drivers in the speaker, the impedance is a minor consideration, the...

If you are going to be using new drivers you will need a new XO designed. The stock XO is designed specifically for the stock drivers and to use different drivers or try to make some sort of dipole...

Lars,

This topic comes every once a while. I don't use Speaker workshop but assumuing you are doing an MLS measurement I understand what you are talking about.

First the problem with any mls...

You can use a second chamber for the two woofers but I wouldn't use two different tunings for the two drivers i.e. one small sealed and one large ported. I think it makes getting the two drivers to...

they said they were going to be showing new drivers at the CES, which is next week.

There are a number of problems with listing acoustic center measurements/offset. First the various organizations such as the AES, have some dissagreement as to how to even define it. The second...

David,

In your post you mentioned the loss of Vifa. Are the initial offerings targeted to that price point/performance level or will these be positioned as alternatives for the Scan Speak and the...

David,

Nice to see you back in the business again. Looking forward to seeing the new products at Madisound and what you will be debuting at CES '08. With people like Lars involved in the design, I...

Lars

I use SoundEasy and LopudSpeaker Lab for measurements but SpeakerWorkshop will work fine for doing frequency response and impedance measurements. Truth is, doing accurate measurements is no...