These are tested, working tubes, ready to use! A few years back I got into experimenting with old tubes......and there is a sonic difference. I bought up quite a stack of preamp and power tubes for my

 

As pictured, unused brand new in the box. Please check my other auctions as I will be listing more vintage NOS components over the next few days.

 

4 RCA Long Black Plate 12AX7 Tubes TV-7 Test Good. All tubes test good on the tv-7 with readings of 43/47, 48/51, 48/50 and 50/51 with 32 as the low limit. Light marking loss. Date codes:57-26, 8-26,

 

This auction is for an EM34 Vacuum tube by Mullard. (Holland) This tube is used, but tested very good on a Mercury 1100B tester. Paint is cracked / chipped. -it has L U and K m F on the base. The Nati

 

musselmanstreasures Store Pair of Vintage Sylvania VT-52 Vacuum Tubes Unable to test....will gladly refund if they do not work. See my other auctions for more vintage tubes and save on combined shippi

 

Vintage Texas Instruments SR-51-II calculater in very good condition with original case, manuel, and charger. Calculator still works and the original battery still charges. Shipping Info Shipping to a

 

This unit is in very fine condition. It has been tested as to play, it works as it should and sounds nice. The heads look to be in very fine condition. Posted with eBay Mobile

 

Used pair of Svetlana 12AX7 tubes. Still sous great. Buy used and save. See other auctions for more tube deals. Posted with eBay Mobile

 

For auction, a KLH model 8 tube FM receiver in excellent physical and working electrical condition. It is completely original other than the new power cord. The original one was only 13" long and it h

 

2 United Electronics 805 Tubes,pair USA manufacture--selling as used-tested good at 800V Always willing to combine shipments Certain countries will ship EMS only-contact me-countries include Russia,Si