Does anyone know where a set of gaskets for MkI SBLs might be located. I know that Cymbiosis and Tom Tom Audio used to stock them, although it appears that supplies might now be exhausted. Thanks for any advice that can be offered.
I was going to suggest Tomtom. Might be worth a call to check.
If you remove the old gaskets carefully you should be able to use them as a template to make your own should that become necessary.
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I did a couple of pairs myself using neoprene adhesive sheets and cutting them to size. It has to be 5/6 mm thick if I remember correctly. I may still have one and will post a detailed pic of it so that you can decide whether DIY is ok for you.
Well done Max. I just searched for gasket material without luck. My next suggestion would be to call Naim.
My spare set (NAIM original) is
Overall dimensions: 170 x 140mm
Inner cut out: 145 x 115mm, centrally located (all borders are equally sized at 12.5mm width)
Thickness: 5mm
Sticky stuff: Loctite 595
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I enquired with TomTom recently. Naim have apparently run out of full gasket kits. Cymbiosis were able to supply me with just the gaskets (very reasonably priced too), not the full kits. So I’ll need to source my own silicon etc., if and when I decide ever to refresh them.
Amazon for the Loctite. Eight quid or thereabouts.
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The metal plates are 25 x 16mm.
Staples are 5mm.
Plates have adhesive tape on the back (like the neoprene).
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Not forgetting Fairy Liquid or similar.
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I wonder whether Tesco’s would be OK.
And should it be the “original” Green or the Lemon scented Yellow.
Would the choice of liquid “colour” the sound?
OK, I’ll stop now. 
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Google - pink fish sbl gaskit
The chap on this thread has excellent instructions, materials and other tips too
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I suggest to just glue the aluminum pads to the bottom of the mid box, instead of stapling them: the idea is to avoid the spikes to pierce through the pads, but if the staples do exactly that, what is the sense of it? I’ve always only glued the pads.
Agreed, he made me a metal pair when I mentioned ditched tweeters by kids.
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Dunno, but interestingly the instructions that came with the kit state that the spikes should just pierce the plates and rest on the wood below.
However, another version of the instructions I have states that the spikes should NOT pierce the plates.
It would appear that the thinking behind the design has changed over the years.
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