SHINING LIGHT is Offering The Following Tubes:
FIVE Excellent Choice RCA AA5 Radio Tubes
Lot#: F216
  • Description & Pictures of Actual Tube Set. > No Generic Pictures or Description.
  • NOS TUBES
  • Total of Five Tubes
  • One Each: 12AV6, 12BA6, 12BE6, 35W4 & 50C5 TUBES.
  • 12AT6 Tube is Available as an alternate to the 12AV6 Tube.  Just Send a Message in the Purchase.
  • The RCA 12AV6 has a Very Strong Triode and Balanced Diodes.  We Suggest that You Look for Detailed Accurate Test Numbers for 12AV6 Tubes when Purchasing AA5 Tubes
The BEST Place to Purchase AA5 Tubes on EBAY.
  • Choice NOS Tubes Vetted on a $3000 AMPLITREX Tester and/or Professionally Calibrated HICKOK TV-7.
  • All Weak Tubes are Discarded
Value-Added Tubes
  • Pins Straightened & Cleaned with Proprietary Process.
  • Tube Surface Cleaned
  • "Plug & Play"

Accurate Testing
  • 12AV6, 12BA6 & 12BE6 Tube Tested on an AMPLITREX AT-1000 Tester.
  • Rest of the Tubes Tested on a Hickok TV-7 A/U Tube Tester.
  • AMPLITREX AT-1000 Digital Tester: GM Takes Precedence Over EM.
  • Tubes Test as Follows:
AMPLITREX AT-1000
  • 12AV6: TRIODE: GM: 100%, Balanced Diodes FWD Conductance: 944uA, 955uA
  • 12BA6: GM: 95%
  • 12BE6: GM: 88%
HICKOK TV-7
  • 35W4: 54, Minimum: 40
  • 50C5: 64, Minimum: 45
  • No Unusual Shorts.
The Minimum is Defined in Hickok Tube Test Settings Documentation at 65% of Average New Values.
TV-7D/U has been Refurbished and Calibrated by Dan Nelson.
AMPLITREX AT-1000 works well on Tubes with Triodes & Diodes.

Murphy's Law:
"All Tube Testers are Wrong but Some are Useful"
The Results from Your Tester will probably Differ from my Results.

Condition
Please see detailed pictures to ensure you visually understand the condition of tube(s) before considering purchasing. :-)
Tubes: NOS NIB. Very clean tubes.  
Flashing: Flashing is good. Flashing color varies by tube with possible discoloration due to mfg process at time of mfg.
Tube Lettering: Lettering is good but missing in places. See Pictures.
Boxes: RCA Boxes in Good Shape.
Box & Writing: Boxes will have written documentation on surface.

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.
  • 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.
Why buy from Murph?
  • Integrity & Trust: Just Check my feedback.
  • I answer emails.
  • I ship fast. I pack well.
  • I combine shipping.  The shipping calculator should work for this listing.
  • I don't require immediate payment.  You can add items and I can invoice you with combined shipping.
  • I use the Ebay return policy of 30 days.
If you have any problems and old Murph will take care of you.  :-)
I want to ensure that you are happy with your purchase. Sometimes, Murph misses something.  Murph is getting old and can make mistakes on occasion!  Murph's goal is a 5-Star sale to you, my customer! If you feel that Murph has fallen short, feel free to contact Murph and we will get it straightened-out. :-)