Best tubes for ARC LS16 preamp


I HAVE A LS16 PAIRED WITH HE ARC 100.2,WHAT WOULD BE A SIGNIFICANT TUBE UPGRADE OVER THE SOVTEKS SUPPLIED W/THE LS16?
joeavid
Just got siemens 6922 e88cc today,gold pins west germany(1960's)...from tube world,a bit pricey @$105 each.Asked my dealer re:upgrade to mk11 status but he hasn't heard it yet,so i'll keep you guys updated...
Thanks for the info Albert. I have a pair of Siemens 6922 E88CC and 6922 CCas at home as well as a pair of Mullards on the way. I can't wait to try them out in my DAC.
Had to return the siemens too noisy and got a hum in my left speaker after a week.Went to vintage tube services,highly recommend you pay a visit or call Andy,the man knows his tubes.bought 4 matsushita tubes,already after r 6 hrs sound better than the siemens.
I rolled my Sovtek 6922's out of my ARCLS16 and put in Siemens NOS 1960 GOLD PIN W.GERMENY...TOO MICROPHONIC WENT BACK TO SOVTEK..BETTER LES NOISY,BETTER BASS AND DETAIL WAS MAYBE NOT AS GOOD BUT ACCEPTABLE.Then went to Matsushita 6dj8 again too noisy,highs were just a bit too edgy,bass ALMOST as good as Sovteks.Will be trying Tesla's & Jann's(price is right)But I have a feeling that the ARC is really made to sound it's best w/the sovteks ...at least on my rig.