4 RCA 17JB6 17JB6A Vacuum Tubes Valves NOS NIB Lot Of Four Auf Siphnos This lot of three RCA

This lot of three RCA 12SC7 tubes tested as follows on our Paul Hart-calibrated TV7/U:

These three US-made 12AV5 output tubes were tested on our Paul Hart-calibrated TV7/U for shorts

This Majestic number / type 55 tube was tested on our Paul Hart-calibrated TV7/U for shorts gas and transconductance

This is an original recording from 1939 and it sounds 15-20 years ahead of its time

It tests below the cusp

4 RCA 17JB6 17JB6A Vacuum Tubes Valves NOS NIB Lot Of Four Auf Siphnos This lot of three RCAThese four new old stock, new in box RCA 17JB6A tubes tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. 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 HAVE