Where old car radios got high voltage for vacuum tubes

[@halrobinson2737]

Very good explanation

[@eltunene]

Thanks, Hai, for your kind comment!!!

[@Bobbr3]

Very good! Thanks for your great diagrams and explanation!

[@eltunene]

Thanks, Bobbr3, for your kind and stimulating comment!!!

[@egyrmexiq1]

Yes, I remember them, the vibrators came in a metal container (like capacitors) surrounded by a brown rubber, in order to reduce mechanical noise.

[@dennisyoung4631]

I recall seeing one of those vibrators in the early seventies. I recall calling it “el jolto”.

[@egyrmexiq1]

Si los recuerdo, los vibradores venían en un envase metálico (como el de los capacitorres) rodeado de un hule café, para efecto de reducir el ruido mecánico..

[@foureyedchick]

Where is the D.C. supply for the primary side of the vibrator for T1?

[@eltunene]

Excellent question! Since I focused my attention on the vibrator action, I forgot to draw a line from common contacts of vibrator to the positive side of the power supply (6-volt battery), however, there is a red plus sign connected to the center tap of the power transformer (labeled as T-1). Sorry about that!