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Multi-Way Conventional loudspeakers with crossovers

Fast, fun, Inexpensive OB project
Fast, fun, Inexpensive OB project
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Old 22nd May 2019, 09:34 PM   #2071
HaroldHill is offline HaroldHill  Canada
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I love the industrial look. How do they sound?
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Old 10th June 2019, 03:18 PM   #2072
HaroldHill is offline HaroldHill  Canada
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In the Ultra build, is the woofer trap (0.4 mH inductor and 15uF cap in parallel) still recommended? In series with the 20mH iron core inductor.
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Old 10th June 2019, 08:34 PM   #2073
John Busch is offline John Busch  United States
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The GRS woofer trap is definitely recommended.
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Old 10th June 2019, 09:02 PM   #2074
HaroldHill is offline HaroldHill  Canada
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Glad I asked! The only other modification I was going to make to the crossover schematic in post 1602 was the addition of a 0.1uF bypass cap in parallel with C1. Any other recommendations?
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Old 10th June 2019, 09:30 PM   #2075
John Busch is offline John Busch  United States
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Yes the bypass is an easy, inexpensive upgrade. One nice thing is it is easy to play with the design once you have it up, broke in and running. Let us know how it goes. J
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Old 12th June 2019, 06:42 PM   #2076
HaroldHill is offline HaroldHill  Canada
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Just laying out my crossovers now. I'm concerned about interference or crosstalk between the relatively large inductors. Can anyone share their experiences or suggestions? If it matters, I expect that my crossovers will extend across the 24" width of the baffle.
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Old 12th June 2019, 11:13 PM   #2077
John Busch is offline John Busch  United States
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Default Inductor cross talk

Just keep them a couple of inches apart, and if you are still not sure, stand one of the two inductors on edge.
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Old 13th June 2019, 02:37 PM   #2078
gabkw is offline gabkw  United States
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Quote:
Originally Posted by HaroldHill View Post
Just laying out my crossovers now. I'm concerned about interference or crosstalk between the relatively large inductors. Can anyone share their experiences or suggestions? If it matters, I expect that my crossovers will extend across the 24" width of the baffle.
I use the pic at the bottom of this link as a guide:

Placement of coils in crossover networks
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Old 24th June 2019, 04:56 AM   #2079
HaroldHill is offline HaroldHill  Canada
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I finished my Manzanita Ultra build yesterday. Right out of the box, they were really enjoyable and have improved with a few hours of playing time. The bass has settled in and listening to a bowed double bass, you can hear that these speakers can produce both quantity and texture. It still may be a bit too much for my liking, but I'll give a few more hours. Relative to the woofers, the tweeters look tiny but they do a surprisingly good job with the mids. Nice integration across the audible spectrum with a lot of spatial cues. Overall, a very nice set of speakers!

Thanks to John and Pano for keeping this thread active and informed. Making these speakers was as much fun as listening to them.
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Old 24th June 2019, 02:11 PM   #2080
John Busch is offline John Busch  United States
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Thumbs up Thanks for sharing your thoughts

Harold.... thanks for sharing your thoughts! Good that you are enjoying your open baffle experience. The Manzanita and Ultra are sleepers and usually surprise people with their natural sounding character. They will improve with time and after you dial in the best location in your listening room. J
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