my personal FRFR solution for Helix, Bass, Guitar and Party ;) in Helix Posted January 26, 2018 Hi Zooey, thanks :) What do you mean? Faital 12HX230: 256.- â‚¬/pc if you buy a pair of them. I ordered in France, as the driver is brandnew and not listed yet in any shop in Germany. Hypex PSC 2.400D: 339 â‚¬ XPS: 10.- â‚¬ (if you don't take the 3D core wich is still prototype and not available - i got a pre-production sample ;) ) Carbon + Epoxi: Hard to say - about 150 â‚¬ per baffle Corners, Grip, reflex tube, cables, switch..... about 50 â‚¬ Cups, stirs, brushes, foil.....about 40 â‚¬ So all together about 845.- â‚¬ piece + a lot of blood, sweat and tears if you do it the first time. If you replace the Faital by the Emi Beta12CX and the Carbon-XPS Sandwich by poplar multiplex 12mm + heavy bracings, i think it would be about 500.- â‚¬ but about 2 kg more (wich means about 13 kg and still much lighter as the ligtest speaker on the market in this class) and not as good in different directions. But still a great speaker wich will outperform most of the speakers on the market. My construction is a bit extreme and crazy as i planned to build below 10 kg. With wood: No chance! Since April 2017, the Faital was anounced 4,3 kg. Now, as the first speakers are on the marked, it's really 5,1 kg. :angry: Now, after i gave them a hint, they corrected the datasheet. :unsure: I already think about rebuilding the speakers motor with neodym to reach my target. ;) But it's not easy to work on a speaker motor wich is already magnetized without damaging the voicecoil. So if not any gramm counts, i would propose the poplar multiplex wich is cheaper and way easier to handle than the carbon sandwich, but i would propose a bit more bracing than i use in the carbon version. The Eminence Beta12CX + ASD:1001 is together 4,5 kg. wich will safe a part of the weight you gained with the multiplex. One of the huge advantages is the Amp module, as you can (have to) programm the filters and EQs as you like. You can store 4 complete presets in the module. So you're not attached to 2 or three presets the manufacturer made and wich wopn't work in all circumstances. But you have to do it by yourself means also, that you should have the possibility to measure and that you have to know a bit about how speakers work. It would be not a god idea, to shoot the tweeter with 50 Hz at full level cause you forgot the highpass ;) For the moment i like also the digital link, even if experienced people here advice to use XLR or asymetric line cables. With the AES/EBU solution i only need one cable from the Helix to one speaker and another cable to link the second speaker to the first. I also win a bit less noise, as there are one DA (Helix) and one AD (Speaker) conversion less.