NAT Audio will take a part on American Rocky Mountain Audio Fest at the Denver Marriott Tech Center Hotel from 11.-13. October 2013.
WORLD FIRST VACUUM BASED INVERSE RIAA NETWORK-Signature Phono
WORLD FIRST METAL-CERAMIC MILITARY TRIODE TYPE ZERO FEEDBACK SINGLE ENDED (100W of power)-Microwave
See about this at http://audiofest.net/new/americas-audio-show/2013-products/?keyword=N
NAT Audio will be exhibiting at Slovenian Multimedia Hi-Fi Show in Ljubljana from 11.-13. October 2013.
NAT Audio will take a part on AXPONA-Audio Expo North America in Chicago, Illinois from 08.-10. March 2013. See about this at http://www.axpona.com//exhibitlistdetail.asp?ID=2875
See reviews on http://www.stereophile.com/content/beauty-sound-0
and http://www.enjoythemusic.com/axpona_2013/saturday/ . See picture No. 19.