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Multi-Way Conventional loudspeakers with crossovers

Small active 3-way floor stander with a punch
Small active 3-way floor stander with a punch
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Old 17th October 2018, 06:27 PM   #41
DannerD3H is online now DannerD3H  Denmark
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Join Date: Jun 2013
Location: Denmark
Default Damping?

How would you dampen such a cabinet as this?
I know the best result will be from trial and error, but I have to start somewhere :P

This picture show what I imagined. The green outline is the Sub-cabinet. The blue outline is the mid-cabinet. The orange lines i 8 mm felt. The white lines are 30 mm acoustalux/polyester.
Click the image to open in full size.


Additionally, I will ad 8 mm felt to the curved sides of the mid-cabinet.


The sub-cabinet is where I am mostly in doubt. The subs will play from 80-150 Hz and down. Will there be any effect of egg-crate foam, felt or similar on top and bottom?
The longest distance in the cabinet is 67 cm from the top corner to the bottom front corner. From the flat top to bottom is 40 cm. From what I know I won't risk standing waves before 250-400 Hz.
Will the accoustalux then have any other effect than Q adjustment?
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Old Today, 12:25 PM   #42
DannerD3H is online now DannerD3H  Denmark
diyAudio Member
 
Join Date: Jun 2013
Location: Denmark
Default Status update

Slowly but surely moving forward.
Focussing on finishing one speaker to get to hear it as fast as possible!

This has been glued so far:
Click the image to open in full size.


And a quick lay-up of all the parts cut so far, also to get a size impression:
Click the image to open in full size.

Click the image to open in full size.
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