A cable gives you a 300B tube amp sound? Why not just buy a 300B amp with a neutral sounding cable?
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Well....we can start by doing something simple and obvious and look at the arithmetic....just a set of nice 300B tubes can easily set you back about $1000...which, if you weren't aware, could get you a very very nice cable one could easily drop into any existing system...
And then there is some audio reality stuff to consider....with a TEO Audio cable you are not limited to a few watts if you want the sonic joy usually associated with the use of 300B tubes ( and not to mention the associated problems of speaker matching if you want to sample a vast array of musiques...like rock, reggae, funk, full bore classical etc don’t do so good with small wattage systems eh.. )....you can run any amp you want at any power rating you desire and still get that glow...something to file under having your cake and eating it too ( which I think most people would find quite appealing )...
So....apart from those wee minor quibbles your comment was correct...though admittedly only on a technicality....in the real audio world it does present some problems...like it costs you a pile of money to get a solution that has a somewhat limited audio application...
And here is another thing to consider....how about combining the organic glow of a TEO Audio cable with the warmth of a 300B...interesting possibility eh...and one more thing....300B amp based systems often are kinda woolly in the bass end of things...one of the things that TEO Audio cables bring to the table is this ability to solidify the bass bits....and we have had several clients with 300B based systems tell us how the addition of a TEO Audio cable helped ameliorate a problem traditionally associated with 300B amps by tightening up the bass...so more of that having/eating cake scenario eh...
Cheer