Forums https://www.decware.com/cgi-bin/yabb22/YaBB.pl SUPPORT FORUMS FOR DECWARE SPEAKER PLANS >> PRO 12 loudspeaker support forum >> Tube PA for acoustic instruments https://www.decware.com/cgi-bin/yabb22/YaBB.pl?num=1334769698 Message started by Mark A. on 04/18/12 at 18:21:37

Title: Tube PA for acoustic instruments Post by Mark A. on 04/18/12 at 18:21:37 I would like to build a tube driven PA for small venues. I play in all acoustic bands and want a warmer sound that compliments the instruments. I own a pair of nice old Dynaco 40 watt amps that I believe would work nicely if I can find a speaker design that is efficient enough. I used these amps years ago in a home audio, set up with subs that were driven by solid state amps. I may take the same approach here if 2x40 just isn't enough. Would the PRO12 be a good starting point for this project?

Title: Re: Tube PA for acoustic instruments Post by dank on 04/19/12 at 12:43:16 I would recommend the pro 12 for just about any application.  Very efficient, sounds great, but you do need a sub (very little bass response).  They even sound great with an electric guitar.   If you are tight on cash, I can recomend this speaker http://www.parts-express.com/pe/showdetl.cfm?Partnumber=295-032.  To save even more you can also skip the crossover, run the woofer full range and just use a capacitor on the horn.  You might need to add a resistor to tame the horn down a bit though. DanK

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