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Multi-Way Conventional loudspeakers with crossovers

Beyma 15XA38Nd in Tannoy GRF style enclosure
Beyma 15XA38Nd in Tannoy GRF style enclosure
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Old 12th June 2019, 05:37 AM   #11
Bas Horneman is offline Bas Horneman  Netherlands
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Fantastic Chris! I absolutely love and respect that you built such a complex cab with basic tools...Inspiring!
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Old 12th June 2019, 06:21 AM   #12
ICG is offline ICG  Germany
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Location: I had a Déjà Moo - I've seen that BS before!
Das sind Lautsprecher nach meinem Geschmack!

I also like your creative way to press the parts.

It probably doesn't make that much difference but you should replace the screws of the coils with non magnetic ones. The foam below the resistors could probably melt at higher volume. The crossover could be placed in the empty chamber below the driver (or on the back side of the speaker) to keep vibration away from it.
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Old 12th June 2019, 07:54 AM   #13
hifisucks is offline hifisucks  Germany
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Thanks for your replies...
I will change the screws... :-)
Not foam... hot glue... :-) No problem if it gets hot :-)
The crossover will be moved to a quieter position... :-)
Thanks!
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Old 12th June 2019, 08:02 AM   #14
ICG is offline ICG  Germany
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Location: I had a Déjà Moo - I've seen that BS before!
Well, the hot glue will also melt when it gets hot.
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Old 12th June 2019, 08:24 AM   #15
hifisucks is offline hifisucks  Germany
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Dear friend, my listening habbits are far from disco beats... :-)
If something gets hot listening, its not my speaker... :-)
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Old 12th June 2019, 11:12 AM   #16
ICG is offline ICG  Germany
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Location: I had a Déjà Moo - I've seen that BS before!
But maybe your offspring does.
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Old 12th June 2019, 01:18 PM   #17
hifisucks is offline hifisucks  Germany
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But I think I am not messing with such things ... I am very satisfied ...
Feeding them now with Rod Elliotts 3a Project...

Last edited by hifisucks; 12th June 2019 at 01:22 PM.
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Old 13th June 2019, 12:51 AM   #18
jtgofish is offline jtgofish
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Are you getting some strange phase effects like voices moving around in the sound stage?

You usually do with back loaded horns like that because the reverse phase coming out of the horn interferes with what is coming out the front.That is certainly what I found with the Tannoy GRF and other back loaded horns I built.
I much preferred the same drivers in an Onken style box.
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Old 13th June 2019, 05:19 AM   #19
hifisucks is offline hifisucks  Germany
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jtgofish, yes, I do hear such things and always thought it results from room geometrie...
or cone peculiarities...
That onken style might be an interesting summer project for me to achive... Thanks for the idea...
I have seen some constructions using the onken...
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Old 13th June 2019, 05:52 AM   #20
hifisucks is offline hifisucks  Germany
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Do you have any information for a Onken style box?
I found this Der Monitor
I could build that... :-)
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