In article , Chris Morriss
wrote:


The old 50s and 60s Hi-Fi year books I had, I sold on Ebay for rather a
lot of money so I can't look up the specs in there.

I have some 50s/60s issues, but they are at work, so I can't check them at
present.

The RS-DD may be a different beast, if so mea culpa.

The 'RS' and 'DD' refer to some details of the construction. (See
the webpage I mention elsewhere for details.)

Slainte,

Jim

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