Thursday, February 09, 2017

Philco PA 510, Philco PA520 AC-DC valve radio circuit diagram – An Antique piece – Manufactured around 1935

Vacuum tubes used: 12SA7, 12SK7, 12SQ7, 50L6GT, 35Z5GT Philco Valve Radio - Transformer-less circuit
Circuit diagram [Click on the pictures to magnify]