(4) Used beam power tubes used in radio transmitters and some audio amplifiers. With 35 being the minimum test value for a TV-7D, these tubes checked from 40 to 60.

 

Pilot FM 530 Tube Tuner Excellent Original Condition This is a beautiful piece. It is in excellent overall condition. It appears 100% original & untouched. I powered it up on a variac to be safe,

 

after years of collecting some of the rarest and finest antique electronic tubes in the world we are now making the best of our private reserve available on ebay The Vacuum Tube Master Collection ****

 

Vintage Sansui Reverberation Amplifier RA-500. Excellent condition, works great, very clean. I bought this on a recommendation from a friend who saw one of these in a Nashville recording studio, and I

 

This auction is for a lot of (4) good used 6F6G vacuum tubes with gray or black glass. There's a pair of Wards Super Airline's with black glass and two Sylvania's (one is branded Zenith). All of these

 

Set of four NOS Ei 12AX7 ECC83 tubes. NOTE these tubes are from the original Ei plant which was destroyed during the war. These original tubes with smooth plates and pinched bases are VERY rare and ha

 

9 photos are provided to show you clearly the condition of the tube. With the early style date code (factory-month-year) of "BA5", this is one of the earliest legendary Mullard mC1. Tested-as-new 1955

 

We are selling a vintage technics stereo receiver, overall in good condition, might need to have a professional look at it to determine what might be causing the hissing noise. Sounds almost like a co

 

Normal 0 false false false EN-US X-NONE X-NONE 1024x768 You can't beat my initial bid amount for this item! Please review “Payment” and “Shipping/Handling Cost” prior to bidding. If you need a

 

>>>> VERY RARE ORIGINAL HICKOK 83 MERCURY VAPOR RECTIFIER,HAVING 48.5/50.0 ma USING HICKOK 536.BLACK PLATE & TIGHT BASE. ****** WORLDWIDE SHIPPING WILL BE BY USPS priority mail.WE DO C