Crossover wiring Heco Ascada 770 3 way - diyAudio
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Old 17th April 2013, 08:22 AM   #1
oszkar is offline oszkar  Romania
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Default Crossover wiring Heco Ascada 770 3 way

Hello!
I am having a pair of Heco Ascada 770 loudspeaker crossovers that I want to have wired to the following as state components: 2 basses, 2 mids, 2 tweeters. The crossovers are 4 ohm and each driver is 8 ohm! How can I have the drivers wired to the crossovers?
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Old 18th April 2013, 08:30 PM   #2
oszkar is offline oszkar  Romania
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Here are the pics of them! first are the bandpass and highpass and seccond are the lowpass! Thank you!
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File Type: jpg P1030164.jpg (489.8 KB, 81 views)
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Old 27th April 2013, 07:13 PM   #3
system7 is offline system7  United Kingdom
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Hard to say what is going on there without analysing it, but that looks like a simple enough bass filter with two coils and one capacitor.

The midpass will be the complicated bit with the big componets. The high pass tweeter filter will be simple enough. Phase is going to be hard to guess, since it depends on the filter and the depth of the drivers. Also hard to guess whether that is a 4 or 8 ohm crossover.

HW 3/130 NG - 8 Ohm
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Good Night, and Good Luck. Best regards from Steve in Portsmouth, UK.
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Old 27th April 2013, 07:24 PM   #4
oszkar is offline oszkar  Romania
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These are mine! I do not know witch is midpass and witch is highpass! They are 4ohm! Cut freq are 150 - 3500.
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Old 27th April 2013, 07:51 PM   #5
oszkar is offline oszkar  Romania
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I mean left or right! To my supposal it would be highpass left and midrange right! Or am I wrong?
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Old 1st May 2013, 07:08 AM   #6
system7 is offline system7  United Kingdom
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oszkar, if you can't figure all this out yourself, you shouldn't be doing it. I've already suggested some simpler two-way circuits that might work. If your bass circuit crosses over at 150Hz it's gonna fry the little cone midrange quickly.

But you haven't listened to a thing the forum has been telling you. You can't just throw random bits together like this.
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Old 1st May 2013, 07:20 AM   #7
oszkar is offline oszkar  Romania
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Mr. Steve. I am aware of that! I am still thinking about the mids. I do not know wich is highpass for shure witch is mid. In my figuring sys. high is the one to the left mid is the one to the right.
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Old 1st May 2013, 07:28 AM   #8
oszkar is offline oszkar  Romania
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The mids I have chosen were the speaka 75 - 90 since read data from the specs stated that they are having a fs. of 110hz. I was thinking that they might get the burn from the crossover cutfreq. so I quickly went to havr my alternate choosing adopted and that is the visaton 130mm bass, one unit in one speaker. Cannot remember its serrial. Btw. please tell me since I have found in my old seas speakers, is roof isolation cotton or how it is named, any good for speaker dampening material? It contains rhat glass fiber or what. Thank you!
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Old 28th May 2013, 11:41 PM   #9
oszkar is offline oszkar  Romania
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Thank you! Solved it! Thread closed!
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