SHINING LIGHT is Offering the Following Tube:
One Excellent GE 6BC8 6BZ8 Tube
Lot#: N765
  • NOS NIB
  • SYLVANIA Mfg.  GE Lettering & Tube Box.
  • Grey Plates
  • "O" Getter
  • Date Code: KE
Value Added Tube
  • Pins Cleaned & Straightened with Proprietary Process
  • Tube Surfaces Cleaned
  • Plug & Play
TESTING
HICKOK TV-7B/U
Tube Tested on a NOS Reference TV-7B/U Tester
Tube Tests as Follows:
  • 59/63: 123%/131%
The Calculate New Value for a 6BC8 Tube is: 48/48.
The Hickok Minimum for a 6BC8 Tube is: 31/31.

Murphy's Law:
"All Tube Testers are Wrong but Some are Useful"
The results of your tube tester may vary from these measurements.

Returns:
  • We Offer 30 Day Returns with a Free Shipping Label!
  • Returns Accepted if the Items are Returned in the Exact Same Condition.
  • The Pull Tabs on the Tube Boxes Must be in the Same Condition.
  • The Cotton must be Installed on Each End of the Tube in Each Box.
  • The Pull Tabs will be Taped so Tubes do not Fall-Out of Boxes During Shipping.
  • Carefully Cut the Tape on the Pull Tabs to Open Boxes.
  • The Lettering on the Tubes Must Also be in the Same Condition upon Return.
  • Hold Tubes in Areas where there is No Silkscreen.
  • Tubes Must Test with the Same Results Upon Return.
Facts about Murph...
  • Dairy Farmed in Green Bay, WI until I was about 27 years old.
  • Started out my career in electro-mechanical, then Electrical Engineering.
  • Moved into Biological Engineering where I spent most of my career.
  • If you ever ate a candy bar, I might have had something to do with the quality...
  • Over the last 10 years, I have moved my spare time to repairing tube and discrete amps & receivers.
  • I like Fisher Receivers and Scott Amps.
  • My Favorite Speakers are Acoustic Research AR-2ax and Classic 30s.
  • I have too many tubes.
  • Statistics-driven when evaluating vacuum tubes > Certified Six Sigma Master Black Belt.
  • Testing Equipment: Two Nelson Hickok TV-7s, Two Hickok 539Bs, One Recently Acquired AMPLITREX AT-1000.
  • I have too many testers.
  • Murph really tries to to list and sell really good vacuum tubes.