[1BionicEar]

Quote from a popular online tube dealer:

"JRC5814A JAN RCA blackplate, Premium industrial grade 12AU7, JAN military grade.  Excellent 1950s military blackplate tubes, will last a very long time in use. 1950s RCA blackplate quality, great pairs of rare vintage tubes! SINGLE TUBES ARE $35.00 EACH.  $80.00 per pair."

The RCA and GE mil-spec tubes are some of the finest tubes made in the US.

I now have 11 of these fine tubes available for sale. .

Quad with fair to good logos.
Tested 87/88 87/88 88/88 88/88 where 70 is the minimum good score
$60 for the quad

Pair 1 with no logos
Tested 88/88 88/88 where 70 is the minimum good score
$20 SOLD

Pair 2 with fair to good logos and matching 59 04 dates
Tested 85/85 86/84 where 70 is the minimum good score
$30 for the pair

Pair 3 with partial logos
Tested 84/84 86/85
$25 for the pair

Trio with no logos and lower scores
Tested 85/85 81/82 82/80 where 70 is the minimum good score
$20 for the trio

Or you can snag all 11 for $110.

Payment by PayPal or USPS Money Order with shipping to USA only.

Feel free to ask questions.

Thanks for looking.

[1BionicEar]

Picture added.

[1BionicEar]

Down to 13 tubes.

[1BionicEar]

Updated pricing and pictures.  Thanks.

[1BionicEar]

Pair 1 is SOLD!