I have the links. I was skeptical at first, but they do make a difference. However, it doesn't sound like a high frequency roll off, which is what would help overly bright speakers. It does seem to take a slight edge off. According to Lloyd Walker, it's ultra high frequencies that it attenuates that reduces that high frequency glare. The perceived high frequency when using these just seems a little clearer and cleaner. In the end, I doubt they would work for you on the Thiels, but having not tried it I can not say for sure. I tend to agree with you regarding these speakers, I too have found them to be tilted up a bit in the high frequencies and I don't really care for that.