Well after deciding what my next and final build will be (final? yea right...) I had narrowed it down to 2 current designs with some modifications. Either some sort of Avalon type cabinet or a Sonus Faber type design... In doing my research I came across a guy in Madrid who did a beautiful Sonus project. The nice thing about having a set of plans, is I can start the build way before I have the drivers. The down side is, I need to verify all his measurements for those drivers... Since for the most part, I like his design, I am going to move forward with it.
I am verifying the data before I build and deciding if I want to change any of the drivers, but here are some of my changes and I am open to any suggestions that you all have they may give me a better performing final product...
1) I am going to veneer the cabinets.
2) I am going to move the tweeter farther down on top of the midrange
3)I am going to move the woofers closer together
4) I probably going to put in a 7" mid driver like the Amati's I think the 18W/8545 will match the two 21W/8555-01's nicely in the sealed .4 cu. ft mid enclosure (or so I hope, bass box pro has fooled me before...) I may change the mid enclosure to a vented if I need to as to accommodate a different driver.
5) I am going to make the baffle a tad thicker so I can go a little steeper on the top for time alignment purposes.
The biggest problem I have is the all scanspeak drivers are going to run me I excess of $1800. I still need to do a crossover, so there is probably another $500 or more... I was thinking of using Usher 8955a's but Bass box is telling me I need 3.6 cubic feet and I have 2.62 in the current configuration. I can come up with an additional .38 by opening up into the dead space at the bottom of the cabinet for the crossover. The Eton 8 inch drivers would work nice too, but their xmax is way too low... Although I don't really crank up the music anymore, but I like that ability if I need it...
I am verifying the data before I build and deciding if I want to change any of the drivers, but here are some of my changes and I am open to any suggestions that you all have they may give me a better performing final product...
1) I am going to veneer the cabinets.
2) I am going to move the tweeter farther down on top of the midrange
3)I am going to move the woofers closer together
4) I probably going to put in a 7" mid driver like the Amati's I think the 18W/8545 will match the two 21W/8555-01's nicely in the sealed .4 cu. ft mid enclosure (or so I hope, bass box pro has fooled me before...) I may change the mid enclosure to a vented if I need to as to accommodate a different driver.
5) I am going to make the baffle a tad thicker so I can go a little steeper on the top for time alignment purposes.
The biggest problem I have is the all scanspeak drivers are going to run me I excess of $1800. I still need to do a crossover, so there is probably another $500 or more... I was thinking of using Usher 8955a's but Bass box is telling me I need 3.6 cubic feet and I have 2.62 in the current configuration. I can come up with an additional .38 by opening up into the dead space at the bottom of the cabinet for the crossover. The Eton 8 inch drivers would work nice too, but their xmax is way too low... Although I don't really crank up the music anymore, but I like that ability if I need it...

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