The Natrometer, a great invention in it's day. It was sold by the National Radio Institute in 1925. There were extra cylinders available at the time so as to not have repetition in the code. It is run

 

01 9pin Socket PCB Big 10pcs 9pin Ceramic Tube Socket PCB Big Fit for 12AX7 12AU7 12AT7 6DJ8 ECC83 B339 CV492 6L13 ECC82 B329 CV491 E88C 6DJ8 tubes and other tubes Diameter: 21mm Payment l We only acc

 

1970's Pocketronic II Calculator Missing power cord Serial # 115047 Original thermal tape cartridge, black case, serial card and box. NEVER USED Excellent condition. Each previous sale was complete. S

 

NO RESERVE very clean matching pair JBL signature 077 Crystal slot prism tweeters.they look and sound great. these where removed from original L65 speaker cabinets. i will be listing the midrange spea

 

** ** **-YOU ARE BIDDING ON (1) ALTEC LANSING 409B IN WORKING CONDITION--AMAZINGGGGGGG SOUND QUALITY FROM AN INDUSTRY LEADER-MADE IN THE USA-BUILT IN CROSSOVER!!-TESTED,SOUNDS AWESOME!!! FAST SHIPPING

 

2 Tubes EL84 Siemens Tube EL 84 6BQ5 Pentode for Tube Amp AF Pentode - low noise amplifier emd tube _________________________________________________________ the Siemens Audio Tubes are slightly used

 

Assorted lot of 19 Vintage Russian USSR Electronic Tubes Details: Assorted lot of 19 russian USSR tubes plus 4 boxes. Condition: NEW and USED. Visualy good. NON tested. SHIPPING, PAYMENT DETAILS: We s

 

Vintage Raytheon 6SJ7 GT vacuum tube. Circa mid 1940's to early 1950's. Made in the USA. In excellent cosmetic condition and tests strong on a Mercury Mod. 204 tester. No gas, shorts or leaks. This vi

 

For Sale: One SV2000 VCR from Phillips. 4 Heads. Tested and confirmed functional! I played both store bought and home-recorded (EP) tapes. Both worked fine. Has a few scuff marks from the years but no

 

(1) RCA 5692 6SN7 Red Base Tube (TESTED W/ TV-7D/U) TESTED W/ TV-7D/U Tube # Test Min. Test Results 1-Triode 1 50 80 1-Triode 2 50 82 Please look carefully at all photos and bid accordingly 100% Posit