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Has anyone here done a real xo for the 1808 tang band? I know it has some rise at the end and wondered if anyone put some caps and coils on it to smooth it out. I am aware this goes against some peoples listening preferences and thinking... but if you could share?JP
If you ever decide to go larger the 12 inch Zenith 49CZ series Alnico's are jaw dropping. I've enjoyed the 1808, BoFu, Betsy, 12LTA, and Lowther DX3 in OB's but the old Zeniths are something special. Harvested my Zeniths from a 1950's console which I bought for the tube amp and the 49's sat unused in my garage until I read the "Glow In The Dark" blog. His praise of the Zeniths is spot on. http://glowinthedarkaudio.com/zenith-49cz852.html
You might even consider vintage drivers before the mid 1970's. Many 8-12 inch fullrange drivers were available then from brands like Jensen, JBL, Altec and Electro-Voice (EV), to name a few. I have use EV SP12C, LS12, and LS8 drivers. They don't quite have as extended range as some made today, but they tend to be very efficient easy to drive speakers (folks who have measured EV LS12's place the sensitivity at around 95-97 dB). With my LS12's, I use a super tweeter crossed in around 8-10 kHz, which solves the high treble beaming issues. As for bass, it gives good OB bass down to the 60-80 Hz range, tromping little 8 inch drivers in their bass weight, and allowing a lower crossover on a bass driver like the Alpha. The old EV's from the 50's-70's bring around $40-$60 on ePay. Cheap enough to play with, and popular enough to get your money back by reselling them if they are not your cup of tea (or coffee). BTW, it's hard to beat voice reproduction on the 12 inchers. Male voice has a sense of weight that few small drivers on OB can do. They just don't have the heft there without some kind of cabinet to help them.Dave
Thanks Dave, I took your advice and have started down this path. It is truly amazing how good these 50 year old paper woofers with alnico magnets sound today. There is a relaxed purity of tone that most newer drivers seem to lack.
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