Just wanted to pass this on to R107 owners. The mounting screw holes for the R107 faceplate don’t line up with the replacement tweeter screw holes, but that’s easily overcome by tapping new holes on the tweeter face ring or adhering the R107 faceplate to the tweeter face ring with gorilla glue as I have. The whole system now sounds energized and more lively, a huge leap in performance! These tweeters are readily available and only cost $44.95 each! I know I searched high and low for replacements until I accidently ran across these. It is a perfect drop in fit with no modification needed. It is a great replacement for the KEF 104/2 speakers that use the KEF T33 SP1191 4 ohm tweeter. The modules with the new tweeters wins hands down! No contest! The new tweeters are cleaner sounding, more dynamic with a much bolder sound. Brand New These are new current production stock. It’s from Midwest Speaker Repair, and it’s built to the exact specs of the R107 and R104/2, and it outperforms the original T33 tweeter by a mile! I have two pairs of head modules for my R107’s, one pair with the fully functioning original T33 tweeters, and one pair with the replacement tweeters. Well, If you still have your 107’s and want to give them new life, try this tweeter (. One stop shop for all things from your favorite brand. The KEFKIT series was replaced by the Constructor Series of six kits most of which were equivalent to Reference or C-Series products of the time. One New KEF LS50 Uni-Q MF/LF and Tweeter Driver. Since the 1960s, KEF had made the component parts of the most popular systems available in kit form for those who chose to build their own cabinets. Even new or restored tweeters still haven’t quite lived up to the superb performance of this classic speaker. Pair of KEF T33 1 (25mm) fabric dome tweeters, SP1074 T33A 8 OhmUtilised in the following systems: Caprice II(1981), Carlton II (1981), Carlton III(1983), Celeste IV(1981), Concord IV(1980), CS3, 5, 7(1981), 103.2(1980), 105.4(1980)Both domes have small creases but they do not appear to affect. KEF T33 Tweeter & Other KEF Tweeters Ferrofluid Repair Service. For all original KEF R107 owners, the weakest link with this world class speaker has always been its tweeter.

Kef replacement t33