au salon de Munich 2018 , j'ai écouté la Vonschweikert , modele Ultra11 , qui est equipée aussi de plusieurs HP ceramique ... :
![[Image: 43131829245_521af1591d_o.jpg]](https://farm2.staticflickr.com/1779/43131829245_521af1591d_o.jpg)
Each channel of the ULTRA 11 loudspeaker system is physically time-aligned and consists of two 1,000-watt powered 15" sealed subwoofers,
four 9" %%% ceramic mid-bass drivers, two 7" %%% ceramic midranges,
two beryllium tweeters with a 5" aluminum super tweeter forward firing
and two horn-loaded Magnesium tweeters with a 5" aluminum ribbon super tweeter rear firing as part of the ambient retrieval system.
![[Image: aeb3cb_cae5fbb818e149da89e90978d3c225f7~...s_4_2.webp]](https://static.wixstatic.com/media/aeb3cb_cae5fbb818e149da89e90978d3c225f7~mv2_d_4226_6339_s_4_2.jpg/v1/fill/w_377,h_565,al_c,q_90,usm_0.66_1.00_0.01/aeb3cb_cae5fbb818e149da89e90978d3c225f7~mv2_d_4226_6339_s_4_2.webp)
https://www.vonschweikert.com/ultra-11
Von Schweikert Ultra 11 Speakers Vac Tube Amplifiers Acoustic Signature Invictus @ Munich 2018
https://www.youtube.com/watch?v=53sPFLTvenw
https://www.youtube.com/watch?v=9QipY5qzmq4
Each channel of the ULTRA 11 loudspeaker system is physically time-aligned and consists of two 1,000-watt powered 15" sealed subwoofers,
four 9" %%% ceramic mid-bass drivers, two 7" %%% ceramic midranges,
two beryllium tweeters with a 5" aluminum super tweeter forward firing
and two horn-loaded Magnesium tweeters with a 5" aluminum ribbon super tweeter rear firing as part of the ambient retrieval system.
https://www.vonschweikert.com/ultra-11
Von Schweikert Ultra 11 Speakers Vac Tube Amplifiers Acoustic Signature Invictus @ Munich 2018
https://www.youtube.com/watch?v=53sPFLTvenw
https://www.youtube.com/watch?v=9QipY5qzmq4