Quote:
Originally Posted by Jeffhs
A phonograph that operates on AC or DC? I can see the amplifier running equally well on either source since series tube strings will operate on either type of power, but I'd think DC power would burn out a synchronous phonograph motor in no time flat, as soon as the motor was switched on.
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Jeyurkon has it exactly right. It is a fairly large (for a table-top phono) brush motor with governor speed control. Not only that, it is geared down appropriately and spins the platter from the spindle! I.E. direct-drive existed back in 1937! I was suitably impressed. This thing also has a fairly impressive speaker (Magnavox, of course), an 8" electrodynamic with an aluminum voice-coil...take that, JBL! If you are in the south SF Bay Area, I will be showing it off in my upcoming Antique and Vintage Radio show on Feb. 21 in Santa Clara.
--Bob