I'm a noob to the fullrange / single-driver world but not to speaker building in general. I have spent most of my time lurking and occasionally posting at the PE board where I have found the information, topics, and feedback to be very helpful and interesting. The one thing that bothers me about the PE board is the general undertones of over-reliance on right and wrong, black and white, yes or no calculations and measurements. By no means is this bashing (again, very positive experiences there and I will continue to use the site), but it seems that somehow the magic has been diminished in speaker building by some of the posters. Which is what brings me here...
I am fascinated by the ideas and principles defined by fullrange drivers. My limited exposure to just a few 3" and 4" speakers in open baffles has renewed my excitement for DIY! The results kind of put the magic back into it, now it's time to step up to the plate and start building.
I'm most interested in the BiB design for it's simplicity. I have 4 Tang Band W3-593SF that I want to implement in a bipole BiB. The rear-mounted driver will have a 4" PVC tunnel passing through the center divider and openning into the area just behind the front driver, effectively putting the backwave of both around the same point(?). When calculating the size of the enclosure (via Zilla's speadsheet), would I simply double the Vas when using two drivers, or does it get more complicated? Can the length be reasonably drawn out further than driver Fs?
I'm not locked into this design. I'm open to suggestions for anything that I've overlooked. In fact, I love the visual statement of the Metronomes and I would be floored if anyone was willing to help walk me through the design.
BTW, I'm currently building a set of Half Changs based solely on the discussions and feedback found here, having never heard the BF20. These are for a freind and will soon be gone, so I have to move along and clear out some of my collection of wide-band drivers starting with the W3-593SF. Thanks in advance!
I am fascinated by the ideas and principles defined by fullrange drivers. My limited exposure to just a few 3" and 4" speakers in open baffles has renewed my excitement for DIY! The results kind of put the magic back into it, now it's time to step up to the plate and start building.
I'm most interested in the BiB design for it's simplicity. I have 4 Tang Band W3-593SF that I want to implement in a bipole BiB. The rear-mounted driver will have a 4" PVC tunnel passing through the center divider and openning into the area just behind the front driver, effectively putting the backwave of both around the same point(?). When calculating the size of the enclosure (via Zilla's speadsheet), would I simply double the Vas when using two drivers, or does it get more complicated? Can the length be reasonably drawn out further than driver Fs?
I'm not locked into this design. I'm open to suggestions for anything that I've overlooked. In fact, I love the visual statement of the Metronomes and I would be floored if anyone was willing to help walk me through the design.
BTW, I'm currently building a set of Half Changs based solely on the discussions and feedback found here, having never heard the BF20. These are for a freind and will soon be gone, so I have to move along and clear out some of my collection of wide-band drivers starting with the W3-593SF. Thanks in advance!