Rear. Port and Terminal Block from PE. Just an accident , but note the grain - pattern on the side : Doesn't it look like sound - waves fanning - out from a point beside the Terminal - Block ?

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David > Top has since been covered with Mahogany venner from Woodcraft, to cover the end - grain, and stained with ZAR Rosewood.

David > Front has since been covered with 1/8" 5 - Ply Aircraft Birch Plywood, and painted flat - black.

David > Same as above ; different angle with the light.

David > Front. All screws are # 12 Brass, 2 1/2" or 3". Left in to provide mass / stiffness to the sides / top + bottom. Kind of like re - bars in Concrete !!

David > Same as above, but on black velvet !

David > Rear. Port and Terminal Block from PE. Just an accident , but note the grain - pattern on the side : Doesn't it look like sound - waves fanning - out from a point beside the Terminal - Block ?

David > Three holes in the side are for dowel cross - braces. 5/8" diam
Three of them = one square inch ; ( almost. ) Holes very slightly tapered. Ends of dowels cross - wedged at the time they were glued in.

David > Bottom / Top. 3/4" MDF on the inside of front and back. A lady /
Pilot friend sold me a half - sheet of veneered Birch plywood for $ 20. All the MDF I needed came from a piece about 6' or 8'
tall and 12" wide, from Lowes. Had a half - round on one edge.
Cost just $7 ! The tan - colored MDF on the inside, is glued and screwed to the outer - plywood with six , # 12 x 1 1/4" brass screws. Should be there forever !!

David > Tweeter crossover. Crossovers were built on separate boards, because, due to all my by - pasing etc., it seemed too crowded on one board !! BUT, I couldn't stack them on the bottom, because no matter which way I layed them, the coils ended up on top of each other ! So, I put one on each side. Held down with
glue, and 8 brass screws, as large as the peg - board holes would take. They aren't going anywhere ; but, if I want to " Tweak " , I have to do all soldering through the Woofer Hole !

Rear. Port and Terminal Block from PE. Just an accident , but note the grain - pattern on the side : Doesn't it look like sound - waves fanning - out from a point beside the Terminal - Block ?

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Keywords: construction pass air cabinets mdf core speaker davewebberspeaker passive mdf cabinets passive crossovers crossovers air core inductor inductor by pass capacitors capacitors hi fi speaker construction

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