Here is a gorgeous PHILCO model 20 DELUXE tube cathedral radio. This radio is from my own personal collection. I have owned it for close to 30 years. Price is $225 + shipping (or pickup). Working condition. Awesome cosmetics in my opinion, a real beauty. (Output tubes and rectifier tube will be different from the […]
Hey Tubesound, Hoping you can answer a question for me. I have an Amplitrex and a TV-7D/U tube tester. The Amplitrex tests a 12ax7 as new at 1600GM. According to your TV7 GM calculator, I believe that should translate to 64 on the TV meter. However, when I test the same 12ax7 on my TV-7
Here is a letter from the Technical Service department of CBS Hytron tube company, dated June 1954, that discusses a common problem with tube testers. In this letter [ PDF ], which I scanned and restored via Photoshop for better readability, a person from the Max Fischman Co of Pittsburgh wrote to CBS Hytron Co.
Meter reading Range Micromhos BCDEF Reset DIRECTIONS: Enter your meter reading (0 – 120) into the “Meter reading” box. Choose your Range Switch position in the drop-down box. Press the “Calc Gm” button and read your micromhos score. Press “Reset” button to clear your entries or to start another calculation. NOTES: calculator works for all
If you are trying to fix a TP-Link TD-8616 modem, chances are good that this is your problem. On May 21, 2012, I purchased from Newegg a new TP-Link ADSL TD-8616 DSL modem to replace a very old Westell modem that was supplied by Verizon. At that time, the reviews for this product were overwhelming