BillFitzmaurice.info

This article from the 1950's http://www.paulspeltz.com/tomcik/index.html back when it probably was a factor. Talks about the entire damping chain, that is speaker, enclosure and amp.

Found the article here: http://www.scribd.com/doc/71687340/Richard-Pierce-Damping-Factor or here: http://www.cartchunk.org/audiotopics/DampingFactor.pdf but it seems there is more to it, quoted from that article from the conclusion: "We have not looked at the frequency dependent attenuative eff...

itsnew2me I had a read through your thread, I hope to decide well before you do! In in Wollongong. Gregory, they are tuned at about 28 hz. I don't have a clue what the -3db point is, but I do know they completely shake the house and make things fall off shelves, very quicly. 20hz is very unloaded bu...

I've had a big read around here the last two days, looks to be a great forum. I'm looking to replace two 18" ported boxes. I made them in 2004 which I think that was a little bit before the BFM horns came about. I've had the plans for a while (then lost them but Bill kindly re-sent, thank you) ...