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Multi-Way Conventional loudspeakers with crossovers

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Old 18th July 2018, 12:00 AM   #2531
MITsound is offline MITsound  Canada
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Quote:
Originally Posted by Supersurfer View Post
I noticed your signature: these speakers portray everything that goes wrong upstream, so no coupling capacitors for me
Ever consider trying OTL Amps?
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Old 19th July 2018, 07:55 PM   #2532
Supersurfer is offline Supersurfer  Netherlands
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Originally Posted by MITsound View Post
Ever consider trying OTL Amps?
No. They are no good. You need to put a lot of tubes in parallel to get an acceptable output impedance, this imposes bigger problems than those of a transformer. I like my tubes to be fully controlled by a steady Impedance of a good transformer.
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Old 19th July 2018, 07:56 PM   #2533
Supersurfer is offline Supersurfer  Netherlands
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Originally Posted by MITsound View Post
I've been intending to try a Karlsson resonator, but have no clue on tuning them with Thiele Small parameters. Just treat them almost like a u Frame rig?
I use the karlsson resonator for another purpose; it diffuses standing waves in the outlet. The karlsson cabinet is more of a bass reflex cabinet with an exponential opening.

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Old 24th July 2018, 02:34 AM   #2534
mkane77g is offline mkane77g  United States
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Giving Pm6a's a try with a -3db HP is all.
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Old 23rd September 2018, 07:20 PM   #2535
umut1001 is offline umut1001  Europe
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Hi.I like open baffle sound.No boxy sound is very good to my ears.I searched but could not find a slim open baffle speaker(for WAF i need a slim speaker.It can have depth but width should not exceed 20cm.I do not want to put 10speakers per side.I do not have a budget for it)Maybe laterally positioned Eminence speakers? Any ideas?And the speakers should not seem.
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Old 24th September 2018, 09:25 AM   #2536
Juhazi is offline Juhazi  Finland
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^we have several threads of slim dipoles, like these. Actually the task is not easy at all and it needs lots of experimenting. I recommend that should use dsp-based crossover and multiple amplifiers. It can be made user-friendly with modern electronics that go to stand-by state automatically or have very low power consumption like class D amps.

Open baffle / dipole line array prototype
Open baffle woofer line array concept.
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Old 24th September 2018, 10:13 AM   #2537
JonasKarud is offline JonasKarud  Sweden
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Quote:
Originally Posted by umut1001 View Post
Hi.I like open baffle sound.No boxy sound is very good to my ears.I searched but could not find a slim open baffle speaker(for WAF i need a slim speaker.It can have depth but width should not exceed 20cm.I do not want to put 10speakers per side.I do not have a budget for it)Maybe laterally positioned Eminence speakers? Any ideas?And the speakers should not seem.
Maybe like this "WAFY" speaker, 40 cm wide, 75 cm high, 25 cm deep...

Eminence Neo 15 inch +visaton 130 mm and a low distorsion home built treble planar.

Sensitivity is around 90 dB and this speaker is the only one that I'm happy with after testing many speakers, through almost 35 years, factory made and Diy.

I can also provide the very simple but optimum 6dB cross over schematics.
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Old 24th September 2018, 06:02 PM   #2538
umut1001 is offline umut1001  Europe
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Hi.Thank you for your suggestions.I am sure these speakers are great sounding.Sorry i showed them to both wife and daughter and sorry they did not like them.
Width should not exceed 25cm.Depth no problem.Height should not exceed 120cm.(these are the criterias)
It is better the drivers is not seemed and speaker to be white coloured high gloss.
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Old 24th September 2018, 07:43 PM   #2539
umut1001 is offline umut1001  Europe
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Maybe I can built something similar to these speakers.They seem beautiful.(a slimmer width would be better looking for WAF though) I have millions of high quality crossover capacitors including every value of mkp and styroflex caps.I can go active or passive.But i do not know which drivers to use.
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Old 24th September 2018, 10:29 PM   #2540
heinz1964 is offline heinz1964  Denmark
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Default Long throw woofer

Hi

Use long throw woofers.

You have to move air, that is surface x throw ( Sd x Xmax )

best regards

uwe
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