BK 700 or BK 707, the setup chart data for 12FV7 tube uses Jet-Test socket #8. This configuration is highly flawed for testing 12FV7 and can damage the tube. Furthermore, the meter reading you would get is meaningless due to how severely overdriven the tube is being operated at. In the photo below, you will […]
12FV7 faulty setup data for BK 700-707 Read More »
The 2050 Gas Thyratron tube is a tube used in many Seeburg jukeboxes. Even though a 2050 tube is not listed on the setup charts of Sencore Mighty Mite models TC162 and TC28, you can test them. Settings are 6-A-5, socket #1. The key to a proper test is that you MUST engage the LIFE
Testing a 2050 tube on Sencore Mighty Mite Read More »
I was asked by a reader named Henry if I knew of B&K 700-707 test settings for FM1000 tube. FM1000 is a unique Heptode detector oscillator, and as such really does not lend itself to “tube testing.” It is best tested in-circuit. That said, you can perform some basic checks on a FM1000 tube for
FM1000 tube testing on BK 707-700 Read More »
Simon Flint from Australia contacted me today because he noticed that the Sencore Mighty Mite setup data for the diode section in tube EAF801 (which is an RF Pentode with Diode section) did not appear to be testing the diode section properly. He wanted to know if I could investigate. I examined the Telefunken datasheet
Sencore Mighty Mite chart data EAF801 Read More »
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
FOR SALE- Philco 20 Deluxe cathedral tube radio Read More »
