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Help with horn for vintage driver
Help with horn for vintage driver
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Old 8th August 2018, 02:04 PM   #1
Paolocali is offline Paolocali  Italy
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Default Help with horn for vintage driver

Hello im a new member of this forum. I have a pair of old full range speakers that i want to comute in a cool horn diy speaker since i have all the machinery foe wood cutting ect. but i don't know how to make the proper calculation in order to out down the cnc project.
Some help will be appreciated ...
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Old 8th August 2018, 09:34 PM   #2
planet10 is online now planet10  Canada
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Help with horn for vintage driver
We need more info on the driver. Brand, model? Pictures? T/S parameters?

dave
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Old 9th August 2018, 02:16 PM   #3
Paolocali is offline Paolocali  Italy
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I have a pair of vintage Philips AD 70650/W4 and a pair of tweeter AUDAX.
I couldn't find much info I put some pictures.
I was thinking to build a structure like the Khang audio horn speaker I already design the cad file.
Do u think it's worth the work or which cabit I should build for this speakers?
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Old 9th August 2018, 10:03 PM   #4
GM is offline GM  United States
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What we need are specs like these: Cabinets for Philips AD3800AM ?

Do you know what the main differences [physical, performance] between your 7" and this one are? I'm guessing that since this one has a ~same Fs that its other specs may be also. Regardless, really need to measure yours as good horn design isn't very flexible compared to a typical sealed, ported alignment.

Otherwise, all I can do is a BIB pipe horn based on its published 45 Hz Fs and ceiling height:

BIB Pictures | Speaker Projects by Zilla

BIB Calculator | Speaker Projects by Zilla

Terry Cain's BIB -why does it work and does anyone have those Fostex Craft Handbooks?

GM
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Old 10th August 2018, 08:52 AM   #5
Paolocali is offline Paolocali  Italy
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the only thing that i found about my spekers is 40 w 45Hz frequency rte 0.07 to 5kHz buffle hole 142 total depth 72 mm .
That's it
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