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This particular flavour of Tannoy (HPD) used foam surrounds rather than rubber. They deteriorate and need replacing every 15 or 20 years. The pair I bought had never been done. You can either replace the foam (just the gasket surround between the paper cone and frame) or replace the whole paper cone, surround and coil assembly - everything that moves basically. I opted for the latter for various reasons. Got the cones from Lockwood in north London, as far as I know the only place in the word still making them, and did it myself. Quite easy if you take your time.
tl:dr - if your own speakers have rubber surrounds they’re probably fine, if they’re foam and you can actually see holes or push your finger through them, re-foam them, or get Lockwood, AudioGold etc to do it.
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dbr
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Thanks for that, good to know. I didn’t know you could buy replacement surrounds. I’ve actually binned two sets of speakers in the past when the foam surrounds perished. I hadn’t even considered that they could be replaced.
My current ones are a crimped resin impregnated fabric. With those I expect one day they’ll start to crack or become disbonded. For now they’re fine though, which I think I’m surprised about given they’re nearly 30 years old.
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a lot of work. but will be good for the next 15-20 years, i guess.
will have to replace the foam of my kirksaeter monitor 101 next...
Jonny69
deerheart
When you say re-coned, do you mean complete new drivers or did you get new cones fitted to the drivers? Asking because I run ancient speakers and although they were high quality units back in the day I’m sort of surprised they’re still holding together!