National Union (?)12AU7 AusedNational Union (?) 12AU7 A NOS US Blackplate (50) tubesFURTHER PRICE REDUCTION! Offered for sale are up to fifty (50) 12AU7A NOS American black-plate tubes, probably National Union made, but without brand labels. I bought them six months ago for use ...500.00

National Union (?) 12AU7 A NOS US Blackplate (50) tubes

Listing ID: lis5hee0 Classified 
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Condition
10/10
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Ships fromNew York, NY, 10023
Ships toWorldwide
Package dimensions12.0" × 12.0" × 12.0" (4.0 lbs.)
Shipping carriersUSPS, UPS or FedEx
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FURTHER PRICE REDUCTION!
Offered for sale are up to fifty (50) 12AU7A NOS American black-plate tubes, probably National Union made, but without brand labels. I bought them six months ago for use in my integrated VAC amp from a very good and knowledgeable tube dealer - Jim Cross in Florida. They are now available because I have discovered the ideal tube for my amp and no longer have need for so many 12AU7 tubes. I still love these black-plate 12au7s, but I have enough more blackplates (these and others) for use in my DAC and elsewhere so I cannot justify hanging on to these as well.

From their construction Jim thought they were National Union 12AU7s (which he also sells) . They sound to me similar to other blackplate 12AU7s which I know - Raytheons, Tung Sols - perhaps a bit cleaner and crisper, very slightly more solid state-ish but still with all the full harmonics and bass of early American blackplate 12AU7 tubes. These are superb tubes, so I know you won’t be disappointed if your tastes run along these lines.  

I will sell the whole lot for $500.  Serious offers will be entertained.

I will try out all the tubes I ship in my very resolving stereo system before shipping them to ensure that they work fine.  And for up to two weeks after sale I will allow you to return any tubes that still prove faulty.

I will ship to USA, Canada, Europe and Asia.  Paypal and shipping charges are the buyer’s responsibility.

Thanks for looking

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