Hello everyone,
I am getting very close to the 3rd (and final!) stage of my new all-dipole speaker project. My project is a 3-way design consisting of 2 towers. The 300 Hz and up range is taken care by a RD-75 driver in its own wing-shaped baffle. See pictures posted in ‘Dipole or Monopole?’ Thread on the 1st page, here is the link:
The bass consist of 2 Phoenix W-woofers per side. I used the woofers as shown in Woofer3 in Linkwitz’s site (http://www.linkwitzlab.com/woofer3.htm on the very bottom of the page) utilizing the Peerless 830500 drivers. The two cabinets are setup on top of each other while facing in the opposite direction. The woofers will cover up to 70 Hz.
So, at this time the RD-75 baffle and the woofers are done! I will post the pictures of this combination as soon as I get my hands on a digital camera.
I intend to position the midrange baffle on top of the woofers. The midrange baffle will look a lot like the Phoenix main baffle. I intend to make it about 13-inches wide with 3.5-inch wings folded back and 50 inches tall. So the entire woofer-midrange tower will be a 3-unit structure of about 78 inches (14+14 inches for the woofer cabinets and 50 inches for the midrange) in a total height. This tower will eventually be positioned next to the RD-75 baffle, which is incidentally the same height.
I chose the Scan Speak 25W8565, 10-inch driver for the midrange. The frequency range will be 70-300 Hz, utilizing 4th order L-R filters and appropriate EQ. My question is this, - how many 25W8565 drivers should I use? Initially I intended to use 4 units, simply because I can fit that many in a 50 inch height of the midrange baffle. Do I really need to use 4 units or perhaps I can get away with 3 or even 2? It seems that efficiency-wise even the 2 units may suffice; however I am not sure. Well, any thoughts…?
Regards,
Vic
P.S. Does anyone need a pair of brand new unopened RD-75 units? I bought 4 initially at Bass List special price of $495 each, but I will only be using 2 for my project, so the other 2 units are now ‘collecting dust’ and I would like to sell them.
I am getting very close to the 3rd (and final!) stage of my new all-dipole speaker project. My project is a 3-way design consisting of 2 towers. The 300 Hz and up range is taken care by a RD-75 driver in its own wing-shaped baffle. See pictures posted in ‘Dipole or Monopole?’ Thread on the 1st page, here is the link:
The bass consist of 2 Phoenix W-woofers per side. I used the woofers as shown in Woofer3 in Linkwitz’s site (http://www.linkwitzlab.com/woofer3.htm on the very bottom of the page) utilizing the Peerless 830500 drivers. The two cabinets are setup on top of each other while facing in the opposite direction. The woofers will cover up to 70 Hz.
So, at this time the RD-75 baffle and the woofers are done! I will post the pictures of this combination as soon as I get my hands on a digital camera.
I intend to position the midrange baffle on top of the woofers. The midrange baffle will look a lot like the Phoenix main baffle. I intend to make it about 13-inches wide with 3.5-inch wings folded back and 50 inches tall. So the entire woofer-midrange tower will be a 3-unit structure of about 78 inches (14+14 inches for the woofer cabinets and 50 inches for the midrange) in a total height. This tower will eventually be positioned next to the RD-75 baffle, which is incidentally the same height.
I chose the Scan Speak 25W8565, 10-inch driver for the midrange. The frequency range will be 70-300 Hz, utilizing 4th order L-R filters and appropriate EQ. My question is this, - how many 25W8565 drivers should I use? Initially I intended to use 4 units, simply because I can fit that many in a 50 inch height of the midrange baffle. Do I really need to use 4 units or perhaps I can get away with 3 or even 2? It seems that efficiency-wise even the 2 units may suffice; however I am not sure. Well, any thoughts…?
Regards,
Vic
P.S. Does anyone need a pair of brand new unopened RD-75 units? I bought 4 initially at Bass List special price of $495 each, but I will only be using 2 for my project, so the other 2 units are now ‘collecting dust’ and I would like to sell them.
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