SpeakerTalk This forum has been set up to facilitate discussion of 1970s KEF speakers and drive units. The owner of the Forum has no connection with KEF Audio.
When I did these I lined them with a mult-layer sound absorbing material that is normally used inside marine engine compartments.
The outer layer is a convoluted (spiked) high density foam about 1.5 ...
I purchased a pair of Tangent TM1s back in 2002. They had the original KEF B200 woofer but tweets were blown. I replaced the tweets with Audacs TWO25AO and the B200's are still ...
I have rebuilt a pair of these and have some sketches and info you might find useful. Do you still need them and if so how do I get them to you in PDF form?