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Yes, Paul, I know this company. It is always slightly annoyed me that it is Chinese company as Chinese manufactures very rarely, if ever, do any audio products with extreme or demanding performing characteristics. They rather do inexpensive mass-marker audio products. Also this quality control is very questionable, even worst then the Russians. Well, I understand that it all just prejudges of mine and perhaps soon or later they will make some mark in high end production. After all, the Arum Cantus might be one of them, - I do not.

The problem is that although I head, as anyone else in audio, countless among of different ribbons never tried to make up any association between the sound I heard and the type/brand of the given ribbon. In truth, up to very recently they all were the same to me and I did not like them very equally.  I’m not quite sure if my recent curiosity to ribbons is fully justified. The Linaeum driver, driven by 100W Lamm PP made me to express interest in ribbons and it is ironic because the Linaeums are not ribbons….

I'm not familiar with ribbons, never used them in my system. I will be trying the TAD PT-R9. Tomorrow and will see where it would lead me. From one perspective to use them at 12K and up would make them to not have the problem that I usually associate with ribbon’s upper MF but from other perspective there are a few things that I do not like about the HF ribbons… even before I heard then in my installation:

1) Most of the HF ribbons (the industry call with moronic word as super-tweeters) go way above 20kHz and I do not like or need it. I need a tweeter that picks from 12.5kHz and dies at 18kHz maximum, 15kHz -16kHz will do as well, but it should do the 12.5kHz-18kHz… properly, or at least affinity to my S2 driver.

2) Practically all ribbons that I have seen have this idiotic little baffle that I very much do not like. A HF transducer should be isolated in air and any baffles are deadly horrible for HF sound. HF gets reflected by this flat vertical baffles and crate HF noise. Tweeters, partially the narrow size tweeters should not have any baffles!

Another interesting opportunity was expressed by O-Netics’ Bud Purvine who propose a crazy but quite reasonable hypnotizes why my SET can’t driver low sensitively tweeters. It will take some time to validate his proposal….

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