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Speaker building is very interesting and complex. Reading the posts has helped me appreciate the learning and science involved in sound and the complexity of reproducing sound and music. After reading hundreds of posts I decided to build Paul Camody's Classic II speakers. Awesome sound for my office of about 120 sq feet.
A brilliant idea struck me...Build a sub woofer for my home and PA system. In review of hundreds of sub woofers and trying to understand the specifications I'm barely above understanding DB, Xmax, response charts, etc. So I decided to build a 12-15 inch sub which would be portable and produce excellent bass home and small PA use. I often speak to groups of 20-60 and play music before and after at modest levels with a Yamaha 600i. Bill Fitzmaurice's designs are excellent but I don't have the wood working skills to make that happen.
2 months ago there was a post about a Eminence 4 ohm lab 15's on e bay that were selling very reasonably. I made an impulse buy and bought 2, as they had been mentioned in several posts as awesome and very durable.
Next, I spent the last month or so trying to understand how to load the information into a couple of sub woofer enclosure programs and realized that I was over my head. That lead me to order the 3 cu ft Dayton 15 inch reference enclosure and 10 pounds of accustic-fill. This was based upon reading eminence's sealed design for the speakers.
Please - no haters - before I begin putting this together I'd appreciate advise on if this will be successful. Second, will I need a cross over. Eminence suggests a steep high pass filter at 25hz. Some of my reading indicates maybe a low pass sub filter at 150hz. Should I attempt to port this or just build seal and connect. I'm using another buyout special I found a crown xls amplifier so I have some control of the system.
Any Help Greatly appreciated.
A brilliant idea struck me...Build a sub woofer for my home and PA system. In review of hundreds of sub woofers and trying to understand the specifications I'm barely above understanding DB, Xmax, response charts, etc. So I decided to build a 12-15 inch sub which would be portable and produce excellent bass home and small PA use. I often speak to groups of 20-60 and play music before and after at modest levels with a Yamaha 600i. Bill Fitzmaurice's designs are excellent but I don't have the wood working skills to make that happen.
2 months ago there was a post about a Eminence 4 ohm lab 15's on e bay that were selling very reasonably. I made an impulse buy and bought 2, as they had been mentioned in several posts as awesome and very durable.
Next, I spent the last month or so trying to understand how to load the information into a couple of sub woofer enclosure programs and realized that I was over my head. That lead me to order the 3 cu ft Dayton 15 inch reference enclosure and 10 pounds of accustic-fill. This was based upon reading eminence's sealed design for the speakers.
Please - no haters - before I begin putting this together I'd appreciate advise on if this will be successful. Second, will I need a cross over. Eminence suggests a steep high pass filter at 25hz. Some of my reading indicates maybe a low pass sub filter at 150hz. Should I attempt to port this or just build seal and connect. I'm using another buyout special I found a crown xls amplifier so I have some control of the system.
Any Help Greatly appreciated.
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