Replacing A Tuning Indicator Tube (EM 85) With An EM 80 By Bill Werzner A few weeks ago I finished restoring a Grundig model 7085 AM FM stereo console that Read more about Replacing A Tuning Indicator Tube (EM 85) With An EM 80[…]
Converting a Philco Dial Lamp Assembly to an LED By Bill Werzner If you have ever been confronted with a deteriorated vintage radio dial lamp assembly you will understand where Read more about Converting a Philco Dial Lamp Assembly to an LED[…]
HVRA Membership The HVRA board has approved a new membership renewal process. Currently, we have membership renewals that occur every month depending on the date they joined HVRA. This is being changed to Read more about Important New Membership Dues Information[…]
2017 Christmas Party (J. Sirkin) HVRA held its annual Christmas Party on December 15th at the Hobby Airport Hilton Doubletree Hotel. Although the planned start time of 6:30 was delayed Read more about 2017 Christmas Party Fun![…]
A Fishy Story…. By Steven Pena, HVRA Historian It was not without some small degree of disappointment that I heard the birds chirping that Saturday morning, announcing that, though it Read more about A Fishy Story…. By Steven Pena, HVRA Historia[…]
Understanding How a Tube Works by Tom Taylor In an effort to help our new members understand the action of a tube we would like to offer a mechanical perspective Read more about Understanding How a Tube Works by Tom Taylor[…]
Understanding Negative Bias by Tom Taylor Let’s talk negative for a moment and for clarity the topic is about radios with power transformers. I for one hesitate once in a Read more about Understanding Negative Bias by Tom Taylor[…]
THE REFLEX RADIO by Ron Soyland Back in the 1920’s tubes were expensive, usually the most expensive part of a radio. So experimenters wondered if there was a way to Read more about THE REFLEX RADIO by Ron Soyland[…]
Farm Set Antenna Coil Problem & 3 Coils in the Drawer by Bill Werzner Have you ever had one of those restoration projects that despite having changed out all the Read more about Farm Set Antenna Coil Problem & 3 Coils in the Drawer[…]
One of the least understood components found in radios is the common electrolytic capacitor. These capacitors work on a slightly different principle than a simple paper capacitor. When certain metals, Read more about UNDERSTANDING ELECTROLYTIC CAPACITORS by Ron Soyland[…]