morjet

I dont see that working that well. All the ribbons we repair are mostly really loose on the ends where you can't pull the ribbon tight with that screw method. To me it seams like it would have very tight spots in the screw areas and still stay loose in the areas in between the screws and of course on the ends. I'm not sure I would want to drill into my ribbons like that. When we tighten loose ribbons we use our jig to evenly tighten the kapton all the way across. And yes all the ribbons are mostly the same on the inside but with different materials (plastic on earlier and steel later) used to retain the tension on the ribbon, internal dampening pads on later models, and the wire to ribbon contact methods are different on earlier to later models.

Welcome! Great to have such an accomplished individual here on the forum.

Wow Jazzman you are an artist, and engineer. That is quite the gorgeous speaker. I would love to hear what comes out of them someday. Thank you for sharing! And SL3 are no slouch. They are one of my favorites in the ML line. I normally always have a pair albeit modded a bit.

i would love to see some of your projects. Right now we are working on a cylindrical esl panel. Hope to get it done sometime this summer. For home use nothing is easier than licron crystal. It is best to buy in the gallon and use an automotive paint spray gun to apply. If you use the licron spray can then after you spray a coat on the mylar then use a sponge hobby / paint brush to smooth it out immediately after you spray the coat on (one stroke all the way across) then it is relatively clear. Depending on if It's a recoat or new mylar 1 or 2 coats works best using that method. The only draw back with licron is a touch of harshness at very high volumes in the upper spectrum. Ed

And do NOT wash Martin Logan panels. We get so many panels that have previously been washed in the shower and it corrodes the copper conductor that feeds the mylar causing reduced sound over time as the corrosion spreads. Vacuum every few months is best.

Mail box is now good. The Arious can be opened up and recoated. I would remove the panels and swap them around making sure to check all the connections. Then see if the panel is down on sound or it's something in the speaker cabinet. If it is the panel I can give you instructions on recoating the panels, & what products to use. Easy but time consuming delicate work and very well worth it! Ed

Good looking set of speakers! That ghostly imaging always gets me.