Home Speaker Asylum

General speaker questions for audio and home theater.

Re: I will listen to them later today...

A flashlight placed next to grill fabric will light up the driver(s) for a see-thru look, works best in a darkened room. KLH mostly used cloth surrounds in sealed enclosures, in which case no deterioration problem with the surround (a slightly lossy surround due to dried surround sealer is not an acoustic problem per Vance Dickason's *Loudspeaker Design Cookbook*; atempting to re-seal via silicone caulk or other risks permanent change that may be detrimental). If there are no screws for back panel removal, then the drivers MUST have been installed from the front. That means the grill panel is removable, albeit it may be spot-glued or nailed in place. In such event, a putty knife (common Hardware store item, ask a clerk if you do not know what this is) placed around the edges as a pry tool will eventually lift the grill loose. The wide blade of the putty knife spreads force to minimise veneer damage vs a tableware knife & a piece of cardboard between knife & cabinet edge cushions the veneer even more = no marks. Work your way compeletely around the edge gently several times until grill comes loose. Removing the woofer permits access to interior & replacement of tweeter high-pass capacitors if neccessary. Often failed-with-age electrolitic capacitors mimic blown tweeters. Re-seal woofer to cabinet with foam self-stick Door & Window weather stripping available at local Hardware stores in various widths & thicknesses. Visit the asylum Vintage forum catagory & search previous messages for the Classic Speaker Page www addy to discover KLH info.


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