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Today I bumped into one of my projects in 2002...
The building of a subwoofer for my hometheater..
I'll place the pics for fun.
Walls of thick MDF and tightened with bars....
http://www.htforum.nl/yabbse/index.p...ch=69132;image
A mixture of sand and cement (dry !!!) to get it as inert as possible...
http://www.htforum.nl/yabbse/index.p...ch=69133;image
Very Serious Aluminum Port...
http://www.htforum.nl/yabbse/index.p...tach=485;image
http://www.htforum.nl/yabbse/index.p...ch=69135;image
The biggest speaker-cable-connection I could find "Intertechnik"(german ofcourse)..
http://www.htforum.nl/yabbse/index.p...ch=69136;image
Downfire
http://www.htforum.nl/yabbse/index.p...ch=69130;image
http://www.htforum.nl/yabbse/index.p...ch=69134;image
No not to cover the driver but to cover the port....:mental:
http://www.htforum.nl/yabbse/index.p...ch=69131;image
Now the hardest part...getting 275 KG in place.......
http://www.htforum.nl/yabbse/index.p...ch=69137;image
http://www.htforum.nl/yabbse/index.p...ch=69138;image
I managed to do this the "Egyption" way....
http://www.htforum.nl/yabbse/index.p...ch=69139;image
Scaling purpose...
http://www.htforum.nl/yabbse/index.p...ach=5958;image
Some specs:
Filter: None (via processor)
Amplifier 1000 Watt Carlsbro (outperformed the Krell KSA50)
Units: 1 x Focal 15K8711 15 inch woofer
Unit material Kevlar
System: ported downfire
Port: Aluminum Anti-Resonant (Lead Bitumen)
Port size 15 cm dia x 50 cm length
Port grille Facetted Cloth with special internal MDF frame
Frequency 20- 120 Hz
Cabinet 7 cm walls MDF with Sandfilling
Size 80 cm x 70 cm x 60 cm
Finish American Walnut
Weight 275 kg
Terminals Intertechnik 25 mm
Cable van den Hul Magnum
Lovely work Erik. You should start a new HiFi manufacturing company!
Fantastic - but at that weight if you ever move house you will just have to leave it for the new owners.:lolsign:
And you won an Oscar. Which is nice...
Any chance of a home demonstration? :lolsign:Quote:
Originally Posted by Erik van Voorst
I must admit my audioset is probably one of the heaviest I even phoned the builder of my house in order for him to guarantee my floor construction :)
I only built for my hobby...as soon as it turns commercial it all will go very wrong and fun comes in on second place...;)
I did quite a rebuild to my house so very unlikely we will ever move.....(all "homebuild", kitchen, wine cellar, hometheater, garden etc) both are very happy with it...and besides that my living room is accoustically built/prepared for my 4 hours a day music....
This is some of the best if not the best DIY audio I've ever seen. Certainly does not look your typical diy but the work of a prestige high end specialist.
Incredible.
I'm reading this through and I'm thinking, "Wow, that's a nice, compact looking sub enclosure". Then I study the specs and my jaw hits the floor when I notice that the piddly looking speaker in the base is actually a 15" unit :eek:
Jesus Erik, don't ever site that sub next to the Alps, you'll give them an inferiority complex :lolsign: