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Osc. feedback ring
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11-28-2009, 08:49 PM
bandersen
RCA 741PCS
Join Date: Mar 2009
Location: Chicago, IL
Posts: 8,103
According to the Motorola VT71 service manual, it should be 3/4" from the top of the base. I've also read that you can adjust it using an insulated probe (chopstick?) for maximum filament glow.
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