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800-5 kHz Band Pass 8 Ohm Crossover
What would the frequency output be if the impedance were 6 ohms instead of 8?
Wanting to use this xover on 16ohm Celestion PA mid. Car guy says resistance will only change volume level? Will this raise/lower the effective crossover frequencies as well??
The band pass frequencies will change depending on the load impedance. at 16 ohm it will double from an 8 ohm load.
Date published: 2014-10-09
Hi, is there a way that i can change this from 6db to a 12db crossover? any help is greatly appreciated. thank you!
Unfortunately there is no easy way to create a 12 dB crossover using this board. The values will need to be changed and two more components added in order to do this.
Date published: 2014-08-14
Is there a diagram for installing this crossover I could see? Thanx.
Unfortunately there are no diagrams available. The side with the capacitor is the input side, the coil is the output. The terminals connected with the bottom trace are the negative and the other two are positive.
Date published: 2014-03-12
What value is capacitor would I need to have a 3k upper cutoff?
Is the 22mF cap for the low freq end of the crossover. Is there a second capacitor and if so what is the value of it that produces the 5k upper cutoff with an 8 ohm load? I plan to get the closest value capacitor to give me a 3K upper cut off frequency. Thanks
The cap cuts off the lows and the inductor cuts off the highs. There is just the one cap.If you want to change the range to 800-3k, this requires an inductor change (actually both figuring a narrow bandpass).An 800-3k crossover can be made with a 18uf cap and .58mh inductor (narrow calculator).PE sells these parts. 255-040 and 027-346 will get you close for around the same price. All you need to do is wire them in series on the positive lead (terminal cup + to cap, out of cap to inductor, out of inductor to + terminal on driver).
Date published: 2013-09-22
Converting this 6db octave bandpass filter to a 12db octave bandpass filter?
I know I need another capacitor and coil but in what order would I solder these in? Also are the capacitors and coils going to be of the same values or different values? I have to make this a 12db bandpass, it's cutting my mid range by 25% being a 6db octave bandpass and it doesn't sound right to my ears. All my other filters (highpass and lowpass) are 12db and are only cutting the volume by 1/16 which to me is a big difference, my mid range is lacking the correct volume and it's a very efficient speaker.
The slope of the crossover will not help the difference in volume between the drivers. You need an L-pad to bring the overall volume down. I would recommend the one below assuming its an 8 ohm driver.
Date published: 2013-04-27