I'm trying to build a crossover for a Scanspeak 18w/8531g woofer combined with Audiopur pla92-6 ribbon tweeter. This is a screenshot of what I got using few components in Vituix. Is that hump between 30 and 45hz going to be a problem? If yes how can I get rid of it? Thanks, Jim
https://files.diyaudio.com/forums/images/attach/jpg.gif
https://files.diyaudio.com/forums/images/attach/jpg.gif
Attachments
I'm no expert, but you can scrap that entire design.
"If I was going there, I wouldn't start from here"
First order on the ribbon won't work.
39ohm in series with the bass won't work.
Trying to get a 6.5" to blend with a ribbon, that will be hard work.
Your going to need serious help from those here with far more skills than me.
"If I was going there, I wouldn't start from here"
First order on the ribbon won't work.
39ohm in series with the bass won't work.
Trying to get a 6.5" to blend with a ribbon, that will be hard work.
Your going to need serious help from those here with far more skills than me.
I'm using active crossovers and pc as a source at the moment.
There are all kinds of software for the problem you are having, easy solution and very little expertise needed.
Also i found speaker wizard website for free design help on crossovers very helpful
There are all kinds of software for the problem you are having, easy solution and very little expertise needed.
Also i found speaker wizard website for free design help on crossovers very helpful
the 39 ohm increases the Qtc immensly, instead you can put a pad comprised of a resistor parallel to the speaker terminals and another resistor in series with the speaker, but after the crossover parts.
This will cure the peak, but not the low efficiency. That tweeter is just not usable.
This will cure the peak, but not the low efficiency. That tweeter is just not usable.
The sensitivity of these tweeters is supposed to be 95bB/W/m. The data is not right. It should be much easier once fixed.
Thanks for the input. I see I don’t understand enough about crossovers to build my own design. Since I’ve built three sets of speaker cabinets, I’ll have to find already designed plans. I have .75 cuft slant front, 1.25 cuft straight front, and 3 cuft straight front boxes. Any suggestions under $1000/pair?