Harold Hallikainen wrote:

>> <>
>> OK, about 45 years ago... I build the Allied Radio Knight Kit AM
>> Broadcaster transmitter (two 50C5 tubes and a 12AX7). This was one of
>> those units with no power transformer. The tube filaments were in series
>> across the line. B+ was generated using a half wave selenium rectifier.
>> One side of the line (the neutral side) was tied to the metal chassis
>> (through the on/off switch so you got a choice as to whether the chassis
>> was hot when the unit was on or when it was off). I figured this thing'd
>> get out much better with a good antenna and ground. So, I connected a 
>> wire
>> to the chassis, threw it outside, carried it with bare feet (me, not the
>> wire) across the wet concrete to tie it to a water faucet. As I 
>> touched it
>> to the water faucet, sparks flew and the lights went out.
>>
>> Harold
>

How many of you remember the old electric guitar amps with the 2 wire 
plugs. if you did not check polarity and were holding one guitar and 
someone hands you another one on a different amp.   The big 60 cycle hummm.

John
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