I've just completed the Avalanche 15 sonotube powered by QSC RMX850 pro amp.Price:
Sonotube + port = $69
MDF = $24
Paints = $12
Fiberglass = $12
Screws + Grill + Speaker terminals = $30
Spray adhesive = $9
Speaker Carpet = $30
Misc items = $20
Avalanche 15 driver = $200
QSC RMX850 pro amp (830W bridged) = $180
Labor = priceless
Total = ~$600Design Thread: http://www.htguide.com/forum/showthread.php4?t=20374Design:
Ported Sonotube 300L (22" dia X 54.5" height) with port (6" dia x 28" length)
Below are pics and measurements:
Credit goes to Steve and Thomas and every else that help me. Thanks all. I'm extremely happy with the outcome. So far I haven't heard any distortion or bottom out yet. The Avalanche 15 is really a nice subwoofer with great SQ.
Below are a few pictures of my 2 main speakers, also DIY on the GR A/V-3 kit:
Total price is about $550 with veneer and everything. Also, happy with the outcome. Great sound, nice and smooth...
Next project might be the center speaker... to be continued....