Safety warning and disclaimer
The following safety warnings and disclaimer should be considered when dealing with any information contained on this website.
Australia's electricity supply can deliver fatal shocks. The nominal supply voltage at a household powerpoint is 240 volts. Contact with this at a current flow of only 50mA can kill a healthy adult male in ONE second by inducing a medical condition on your heart known as ventricular fibrillation. Women, children, elderly and infirm people are more at risk. The risk of electrocution increases dramatically when you do not exercise commonsense when handling equipment like antique radios. At times, old electrical equipment is discarded because it develops a fault. It is not easy for beginners and other inexperienced people to ascertain what the fault might be.
Vintage Radios contain transformers which do two jobs. The first is to step-down the mains voltage to supply power to the dial lamps and valve heater filaments. The second job is to step-up the mains voltage to supply a high-tension current flow to the speaker field winding and the tuned circuit. The high-tension voltage is usually somewhere between 350 volts and 1000 volts, depending on the receiver. The current carrying capacity of a high-tension circuit is still strong enough to kill you in the same way that the mains supply can.
Old radio circuits are also connected together with wire insulated with Vulcanised Indian Rubber (VIR) or woven cotton. Both materials perish with age and prove to be quite flimsy when the wire is continually disturbed. Some radios, especially the very early ones, were connected together with small-gauge busbars which were bare! The occasional 1930's set still had some exposed transformer or choke terminals - it pays to learn about these traps before letting fingers wander.
I recommend that you do not touch the workings of a vintage radio receiver unless you know exactly what you are doing. Take time to learn what goes on before you work on them and understand the consequences of complacency. I also recommend that you do not try to use a vintage radio receiver until it has either been checked by yourself (if you are experienced) or you have had an experienced person check it for you. At times previous owners of sets do modifications to them and these present unwary traps for budding collectors. As an example, I have seen a set where a mains plug was used as a terminal for an extension speaker. Old radios were not usually designed to run more than one speaker and doing this work with something that can be plugged into the power is very wrong.
All work on vintage radios should be carried out in a clean, well-lit, well-organised workshop rather than the loungeroom or dining room. You should use either an isolation transformer or an RCD (Residual Current Detector) to provide a degree of protection against electric shock but at the same time you must understand that these devices do not completely protect you. They merely enhance safety and do not replace the need to use commonsense.
You will use any or all information on this website at your own risk. The owner accepts no liability of any kind for any damage to property, personal injury or other losses you or someone else suffers as a result of any actions you take in relation to the use or misuse of any information situated on this website.
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Articles and Tutorials
These tutorials and articles contain a lot of worthwhile information relating to specific aspects of vintage radio and television. I recommend a read of these though some of them are quite large. You might need a cuppa tea and a few hours to get through them all in one hit. NOTE: Some of these articles are written by members of Vintage Radio and Television and where this is the case credit has been given.
Collectability of vintage radios
Knowing how to date old radios
The listener's licence and the sealed set
Batteries used in valve radios
Safety with electricity
Valve radio model life cycles
The brands of antique radios
The survivors - Where are they now?
Replicas and outright pretenders
Restoring a 1950 Airzone Cub
Restoration of an ARC Victor (by Pentagrid)
AWA Radiolette v's Pure One
Create a taskbar shortcut to Vintage Radio & Television
Restoring a Vogue console radio (by Fred Lever)
Vintage Radio and Television's glossary contains the definitions for dozens of words and phrases.
To view older threads please visit the Vintage Radio and Television archive.
On our free links page there are dozens of other vintage radio-related websites which may be of interest to you. Everything from national vintage radio clubs to personal and business websites is included. Outside links.
Vintage Radio and Television is proudly brought to you by an era where things were built with pride and made to last.
DISCLAIMER: Valve radios and televisions contain voltages that can deliver lethal shocks. You should not attempt to work on a valve radio or other electrical appliances unless you know exactly what you are doing and have gained some experience with electronics and working around high voltages. The owner, administrators and staff of Vintage Radio & Television will accept no liability for any damage, injury or loss of life that comes as a result of your use or mis-use of information on this website. Please read our Safety Warning before using this website.
WARNING: Under no circumstances should you ever apply power to a vintage radio, television or other electrical appliance you have acquired without first having it checked and serviced by an experienced person. Also, at no time should any appliance be connected to an electricity supply if the power cord is damaged. If in doubt, do not apply power.
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