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 […]
TV-7 micromhos conversion calculator Read More »
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
repair broken TP-Link TD-8616 ADSL modem Read More »
On this page, you will find PDF’s that I create from my own collection of vintage advertising for tube amps, speakers, test equipment, microphones, etc. The ads often provide production specs and other useful information. A Altec – [ PDF ] Amplifiers, pre-amplifiers, mixers, Power Supply, FM-AM Radio tuner, speaker, speakers, Horn, horns. Some models
Vintage Advertising page Read More »
In the 1930s, Crosley designed a tone-volume expander circuit that would, in theory, add fidelity to the music that you were receiving from over-the-air radio AM transmitters. The circuit was said to boost the bass and expand the volume. It was used in some of their better 1930s Crosley console radios that are popular with
the Crosley Auto Expressionator circuit Read More »
“Standard Brand“, “Rad-Tel“, “Atomic“, “Cosmic” — what kind of brands are these? I found an interesting tube-related article in the Dec-1955-Jan-1956 issue of NATIONAL RADIO-TV NEWS. The article exposed a supply-chain problem during the 1950s where unscrupulous vendors would buy “pull-outs” (duds or near-end-of-life tubes) from repair shops, then manipulate the tubes in a manner
the Reprocessed Tube Racket Read More »
