Home     Frugel-Horn Spawn Family Ron's Horns Daleks Metronome     Acknowledgments, etc Use of Designs Builders & Kit Links Mail Us		Terms of use of the designs on this website: In the spirit of the open-source community all the designs on this site are free for use. You may build any of these loudspeakers for your own use. Any enhancements, changes, tips & comments should be fed back to thesite/community. If you use any of these designs in a commercial venture there are a few stipulations: 1/ A link back to this site as the source and a credit to the designer(s) 2/ In the case of all designs but the Daleks, that you have purchased a commercial licence of Martin King's MathCad sheets (whether you use them or not all these have MJK software in them and commercialization requires the licence) 3/ In the case of the Daleks, persmission has been obtained from the designer Bob Hayes If your commercial venture does well, some donations back to the Frugal-Horn site to further the cause would be appreciated and would be in the spirit of the community these designs are intended to serve.