Quote:
Originally Posted by DavGoodlin
A chassis number may help me look up your particular circuit. I just restored a TS556, dated 4M59 and vertical output tube is a 5AQ5, of all types.
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I always had a high regard for the Motorola sets built at the time. Even the less expensive models where good performers. I have two in my collection.
I always wondered why some tubes were series types, even though the set had a transformer. The Motorola service news stated that it reduced the inventory of tubes that the manufacturer and the servicer had to stock.