This is a Heathkit speaker, Model No. SB 600, primarily used as an external speaker for Ham radio set-ups. It has been tested and is in good working condition. There is some scuffing in the paint. I h

 

Up for sale is a Cary CAD-300SEI Integrated Amplifier in Excellent condition with the optional Remote Control and Pre-amp/Sub Woofer RCA Outputs. It also has upgrades such as Kimber cabled CD inputs a

 

Vintage HP 12C 12C is the GO TO calculator in the banking, real estate, and finance industries! Top rated and used as the benchmark by financial professionals. Features numerous calculations, for amor

 

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

 

Early production RCA Radiotron brass base UV-202 vacuum tube, this is NOS in box [ box is in poor condition after more tha 90 years, it is missing some patrs and falling apart ] and Hickok TV-7 tested

 

Up for offer today is TWO Maxell UD 35-180B ONE IS XL tape for mastering use on a precision metal reel. These tapes were tested. I'm listing it as used just to be on the safe side. Thanks for looking

 

GoodwillNNE Store This Auction is for a Panasonic RF-2200 8 Band Radio Short Wave Double Superheterodyne. Not tested because there is no cord. Missing antenae. Please consult photos at bottom of listi

 

You are looking at a very nice strong matched pair of Amperex Holland A Frame 6DJ8/ECC88 twin triode tubes with dimpled disc getters from the same batch GAG delta 5H4. These are identical Amperex Holl

 

i000000 Vintage Hitachi TRQ-707 4 Track Reel to Reel Tape Recorder, Solid State Click Photos to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to En

 

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 ****