Sylvania 8EB8 8GN8 Vacuum Tube Valve NOS NIB 3CA3 Plate Cap

Sylvania 8EB8 8GN8 Vacuum Tube Valve NOS NIB 3CA3 Plate CapThis new old stock, new in box Sylvania 8EB8 8GN8 tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL 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

They are somewhat microphonic

As I write

The disks are well-made and quiet with just a few pops and ticks here and there

34 and 35 where minimum (65%) is 25

Special Features: ANODE RADIATORS (for cooler operation and longer tube life)

This lot of five US-made new old stock

31 and 39 where minimum (65%) is 23

It was made in Germany

Transconductance measured an underwhelming-but-well-balanced 40/42 where minimum (65%) is 50/50 and 100% is 77/77

SOMETIMES THERE ARE INITIAL SCANNING DELAYS

Tube One has some oxide flaking

new in box RCA 6JU8A tubes tested to spec on our Paul Hart-calibrated TV7/U