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Multi-Way Conventional loudspeakers with crossovers

Open Baffle 3-way Crossoer. I need some help here
Open Baffle 3-way Crossoer. I need some help here
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Old 15th August 2019, 06:09 PM   #1
snake69fast is offline snake69fast  Romania
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Default Open Baffle 3-way Crossoer. I need some help here

Hi
I'd like to use 2 x Alpha 1A, 1 x Supravox 215s and 1 x Raal Dipole 140-15D per side in an open baffle project.
I am looking for the best crossover option.
I am open for any suggestion.
Thank you!
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Old 15th August 2019, 06:41 PM   #2
adason is offline adason  United States
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I would suggest bi-amplification. Optimize passive between Supravox and Raal, say from 150 Hz up. Power the Alpha's by plate amp, that gives you flexibility for crossover fr on woofers, phase and level. Use classA amp for top from 150 Hz up. Just a suggestion.
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Old 15th August 2019, 09:15 PM   #3
chips666 is offline chips666  Belgium
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Another suggestion,

Amp 1/ The Supravox fullrange with just a cap of 1.5uf to 2.2uf on the Raal
Amp 2/ The Alpha's crossed at 100hz til 200hz

Enjoy...
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Old 16th August 2019, 09:06 AM   #4
snake69fast is offline snake69fast  Romania
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Quote:
Originally Posted by adason View Post
I would suggest bi-amplification. Optimize passive between Supravox and Raal, say from 150 Hz up. Power the Alpha's by plate amp, that gives you flexibility for crossover fr on woofers, phase and level. Use classA amp for top from 150 Hz up. Just a suggestion.

Can you recommend a diy class A amp or a kit in the Chinese market? Thank you!
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Old 16th August 2019, 03:15 PM   #5
adason is offline adason  United States
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No. Get some real stuff from diyaudio web site and build real classA amp from Nelson Pass. ACA, F5, F6, M2, Aleph J, all great sounding.
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Old 17th August 2019, 11:00 AM   #6
bigdh31 is offline bigdh31  United States
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I have built the ACA. It is a fairly easy project. You get everything but the solder in the kit. You end up with a darn good sounding amp. I believe it is in stock at diyaudiostore.com
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Old 17th August 2019, 01:54 PM   #7
heinz1964 is offline heinz1964  Denmark
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Can I ask why you use super expensive mid and tweeter and cheap (bad) woofers?

uwe
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