To answer your question abot the njoe tjoe.yes Kevin Deal at Upscale strongly suggested I try these.I'm glad he did.The difference is in a word"BASS".Everything that the stock tubes lack here the siemens make up for.This is one of the few times when my wife could actually here the difference between tubes,and honestly one a the few times where the sonic changes did'nt improve greatly in one area and suffer in another.this tube seems to maintain that nice open soundstage but pick up the bass that you know belongs there.To clarify,I don't mean that the bass is louder or greater but that there is a better seperation and better detail in instuments like an upright bass and drums.Before, these sounds all sounded the same.Now they can each be clearly distinguished.
The Audio Note and the Jolida are both nice tuners,But I will tell you, the Audio Note is such a nice looking,well built piece of equipment.It is a shame that these are not imported.Sound wise a comparison is still in the works.
I really like Jolidas entire line.They have very good sounding equipment and at very reasonable prices.I think they suffer some from people's price vs. performance perceptions.I had some dissapointments with the 603a cd player.the transport was awful,but the player sounded sweet and tuberolling brought about significant changes.
As far as dealers go in Chicago and the suburbs I like Saturday Audio Exchange in Chicago and Holm audio in Woodridge.Randy at Saturday audio is a Guru and does not try to upsell eveything and offers good useful suggestions.This place carries all the high-value lines such as Jolida,Nad,PSB,AMC,Creek,Musichall,KEF and others.Web address is Saturdayaudio.com.Albert at Holm audio is the man,He knows that Antique soundlabs has nice,low cost stuff and is not afraid to admit it,even though he sells Cary and VTL equipment too.His store carries the real high-end stuff and he is very proud of that,but he is a down to earth guy.he knows everyone can't afford that stuff and tries his best to offer suggestions.He steered me away from buying a very expensive turntable he knew I would'nt like, to a Musichall at another dealer. Albert is also a fellow tube roller and stocks all the good tube brands.His web address is Holmaudio.com.I hate Promusica on clark street.this place is full of audio snobs,you do not matter there.