THESE SPECIAL SCANSPEAK TWEETERS MADE EXCLUSIVE TO GamuT COMES WITH A T/S OR >>>>>>>THE TECHNICAL DATA SHEET.>>>>>>> These are GamuT RS3i tweeters, a scanspeak made, exclusively for the GamuT which were used in their 14,000.00GBP GamuT RS3i stand-mount speakers. The magnet used in assembling these tweeters are specifically super strong ; graded N55, even stronger than the ones used in the Scanspeak R2904/700009 tweeters. These tweeters can only be obtained from the GamuT for over 500.GBP and you must have a prove of receipt of the RS3I and the serial numbers of the speakers before it willbe sold to you, so take the chance to grab a bargain. I have come by a box and are in stock so contact me if you are interested on 07387119542.