This listing is for one used General Electric heavy duty electronic vacuum tube in the original box. The M 2057 tubes were GE’s heavier duty and higher output replacement tube for the 8950. The 2057

 

This auction is for 4 pcs. of boxed and believed NOS Tung Sol brand type 12SL7GT dual triode tube- all with same construction and same code of 345 on bases. All test excellent on Hickok type 532 teste

 

HP 12C vintage business calculator in good, working condition, includes case, case has a few rips, see pics, light scratches on metal face see pictures, from a smoke free home, please e-mail if questi

 

Beautiful example of late 50's-early 60's technology. Either bakelite or plastic-just not sure. Has on-off, left, right, mute buttons which seem to work fine. When pressing these, the inside can push

 

You are bidding on a reel of Ampex Professional "Audio Mastering" 406 reel to reel recording tape on a 10 1/2" Ampex metal reel. Tape measure 1/4" x 2500' and contains various recording that can be ea

 

I HAVE FOR SALE (1) HEATHKIT MODEL V-7A VACUUM TUBE VOLTMETER. THIS UNIT IS IN GOOD CONDITION. I have tested a few batteries with it with no problems. INCLUDED IS (1) SET OF PROBES IT MEASURES 4 1/2 X

 

Tested on Military Stark model 9-66 mutal conductance tester. **Shipping to Canada and U.S. (Please wait for the invoice from seller) surface small package is $8.95, and airmail is $10.95 which only i

 

TDK CD Power 110 high bias vintage audio cassettes. 10 cassettes. Unsealed but unused. Please feel free to e-mail me with any questions before you bid as I do not accept returns unless item is defecti

 

For sale Philips tube sockets for АZ1, AL4,AD1,EL3,EBL1etc. The sockets are used,but in very good condition. Worldwide shipping

 

Tannoy 15" Dual Concentric Speaker LSU/HF/15/L with Crossover. Excellent condition, one owner. Serial Number 027499. We have another exact speaker with cross over and more vintage audio items listed.