{"product_id":"grandin-mach9","title":"Grandinote Mach 9 Loudspeakers (Pair)","description":"\n\u003ccenter\u003e\u003cp\u003e\u003cu\u003eTime to re-think what is musically possible from a loudspeaker in this price segment.......\u003c\/u\u003e\u003c\/p\u003e\u003c\/center\u003e\n\u003cp\u003eGrandinote's Massimiliano Magri  explains the SRT technology :\u003c\/p\u003e\n\u003cp\u003e\"It's been many, many years that we have tried to get a truly great sound from crossover-less speakers.\u003c\/p\u003e\n\u003cp\u003eWe have understood that in fact the only way to get to this goal, is to use drivers that don't actually exist...\u003c\/p\u003e\n\u003cp\u003eWe tested a lot of full-range and extended-range drivers:\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003ealways the sound was \"nasal\", annoying in the high frequencies.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eThese problems are caused by the high frequencies break-up of the drivers.\u003c\/p\u003e\n\u003cp\u003eBy the crossover, these break-up's are killed, but the crossover also kills a lot of musicality.\u003c\/p\u003e\n\u003cp\u003eOur solution is to use a \"mechanical\" crossover.\u003c\/p\u003e\n\u003cp\u003eWe obtain this by a special treatment behind the drivers membranes.\u003c\/p\u003e\n\u003cp\u003eThis treatment kills break-up, without stealing musicality - this is the holy grail in loudspeaker design.\u003c\/p\u003e\n\u003cp\u003eFinally we have our driver design which perform unlike anything else you will have ever heard, and all without a crossover, this has resulted in :\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003esimply the best voicing that I ever ever experienced from loudspeakers.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eThis treatment also positively modifies drivers parameters, especially the Fs (driver free air resonance, the lower the better) and the Qts (how strong the motor and magnet system are).\u003c\/p\u003e\n\u003cp\u003eWe created drivers with low Fs and high Qts.\u003c\/p\u003e\n\u003cp\u003eThese parameters are perfect for transmission line and other similar configurations.\u003c\/p\u003e\n\u003cp\u003eWe developed a solution which is geographically designed in the middle between bass reflex and transmission line.\u003c\/p\u003e\n\u003cp\u003eOur cabinet has a special  geometric 'tube' style topology, with a large bespoke downward port.\u003c\/p\u003e\n\u003cp\u003eThis tube is too short for a transmission line: it's another bespoke design entirely !\u003c\/p\u003e\n\u003cp\u003eWe call this solution \"Semi Resonance Tube\": S.R.T.\u003c\/p\u003e\n\u003cp\u003eIn this way, we have very deep, tight, fast bass, very different that all other speakers that I listened to...\"\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eMACH 9\u003c\/u\u003e\u003c\/p\u003e\n\u003cp\u003e- 9 woofers, unfiltered, unequalized\u003cbr\u003e- 16 tweeter\u003cbr\u003e- 99 dB@1W\/1m\u003cbr\u003e- 8 Ohm\u003cbr\u003e- 158*31*30 cm\u003cbr\u003e- 23Hz-20kHz\u003cbr\u003e- S.R.T. (Semi Resonant Tube)\u003c\/p\u003e\n\u003cp\u003e- Weight : 42kg \/ piece\u003c\/p\u003e\n\u003cp\u003e- Grandinote's warranty of 5 years\u003cbr\u003e- AVAILABLE IN GLOSSY, MATT AND BLACK VERSIONS\u003c\/p\u003e\n","brand":"Grandinote","offers":[{"title":"Default Title","offer_id":51938613199114,"sku":"GRANDINOTE-8624","price":19990.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/3283\/6618\/files\/grandinote-mach-9-loudspeakers-pair--41496-p.webp?v=1760363717","url":"https:\/\/audioemotion.co.uk\/products\/grandin-mach9","provider":"Audio Emotion Limited","version":"1.0","type":"link"}