If you have visited my website recently you will notice there are no more pictures or FR graphs at all. I unfortunately changed internet service providers which also made my email address bounce back emails for a few years but have recently gone back to the same provider. They deleted all my stuff but and I cant find the backups. Kinda sucks as the descriptions are nothing without pictures. Wish I made backups while I had a chance but did not expect to ever have problems with service providers (or other issues for that fact).

The alpha 6 horns I made were +/- 2.5db from 300Hz to 2KHz and a 60x40 degree dispersion angle and are physically compact. They are conical with flat sides. Very nice sounding horns, I actually still use them after this many years. I still have the specifications on my website if you want to build the horn yourself.

I did make a tractrix prototype of this horn at one stage but preferred the conical one as it sounded better to my ears and also had a wider freq band.

Post any questions.

Wayne- hello! Long time no see. How you been? I have to catch up whats been going on in the pi speakers scene. My normal email address works again as of about a week ago too btw.

• My DIY Audio Homepage