4 RCA 5847 / 404A Vacuum Tubes Valves Gold Pin Premium Quality NOS NIB Lot Of Four Virtuoso Symphony It is dead quiet when

It is dead quiet when the preamp is muted and have excellent frequency response and dynamics

As you can see

it is used and has underlining

This matched pair of Philips Miniwatt PCL82 / 16A8 triode-pentodes s was tested on our Paul Hart-calibrated TV7 for shorts

4 RCA 5847 / 404A Vacuum Tubes Valves Gold Pin Premium Quality NOS NIB Lot Of Four Virtuoso Symphony It is dead quiet whenThese four RCA 5847 404A gold pin tubes tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES FROM JUNE 1, 2022. WE WILL HAPPILY SEND YOUR PACKAGE TO A NEIGHBORING COUNTRY OR MAKE SUITABLE ARRANGEMENTS. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY