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brenellic2000 · 8th Nov 2019, 2:54 pm

The 444 used the final Transcriptor - the Mk.IV which came in autumn 1958, maybe to use up stock. The Collaro Studio was announced in April 1959 with volume production commencing summer 1959.

8th Nov 2019, 2:54 pm	#11
brenellic2000 Octode Join Date: Aug 2006 Location: Rye, East Sussex, UK. Posts: 1,647	Re: Unknown reel to reel tape recorder The 444 used the final Transcriptor - the Mk.IV which came in autumn 1958, maybe to use up stock. The Collaro Studio was announced in April 1959 with volume production commencing summer 1959.