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<blockquote data-quote="Peter Morris" data-source="post: 141633" data-attributes="member: 652">Re: 60 Degree&nbsp; DIY Mid HiShort answer, I don&#039;t really know, there are very few 1.4&quot; exit - 4&quot; diaphragm horns around and I have not tried any.&nbsp; B&amp;C have always made great drivers, so it will be interesting to see what the 1090 is like.I have tried a 3&quot;&nbsp;&nbsp; diaphragm 18sound CD <a href="http://www.eighteensound.it/PRODUCTS/Products/CatID/3/ProdID=151#.VcmfdGkiOos" target="_blank">http://www.eighteensound.it/PRODUCTS/Products/CatID/3/ProdID=151#.VcmfdGkiOos</a>&nbsp; and it was not happy going loud below 800Hz - the lowest crossover frequency recommended by the manufacturer. It did however sound very nice on the RCF HF950 horn crossed at 900Hz.&nbsp;As it did not go low enough, I did not test it in this DIY.I am aware that RCF crosses their ND950 at 650Hz in their TT5a, but the ND950 does not sound as nice as the BMS driver.</blockquote>

[QUOTE="Peter Morris, post: 141633, member: 652"] Re: 60 Degree DIY Mid Hi Short answer, I don't really know, there are very few 1.4" exit - 4" diaphragm horns around and I have not tried any. B&C have always made great drivers, so it will be interesting to see what the 1090 is like. I have tried a 3" diaphragm 18sound CD [URL]http://www.eighteensound.it/PRODUCTS/Products/CatID/3/ProdID=151#.VcmfdGkiOos[/URL] and it was not happy going loud below 800Hz - the lowest crossover frequency recommended by the manufacturer. It did however sound very nice on the RCF HF950 horn crossed at 900Hz. As it did not go low enough, I did not test it in this DIY. I am aware that RCF crosses their ND950 at 650Hz in their TT5a, but the ND950 does not sound as nice as the BMS driver. [/QUOTE]

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