"I concur with Alex, hum is almost always caused by leaky filter caps in the power supply. Most of the capacitors in the set will be leaky and the set will not perform as it should without some deep technical work. I usually replace all the wax caps…"
The Fine Things are Always Hand Made
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"Replacing tubes is the wrong advice. Get the service information, from this site, for your particular chassis (or something close) and start checking your B+ and cathode voltages on each tube, starting with the power supply. You probably…"
Just acquired Scott 1936 All Wave 23 P649. Lights up but no reception. Tubes? Advise?
Tubes all light and warm. Nothing on AM or 3.7 carrier, 7.25 carrier and 18.26 carrier broadcast from nearby antenna. Zilch. General advice is to replace all tubes or one at a time. What do you say, group. Hum low to moderate so speakers and audio working.Robert Sands K7VOSee More
"Recently acquired 1936 Scott All wave 23 serial number P 649. Owner deceased and seller to my intermediate was son of estate who knew nothing. Hoping to power it up with variac and deal with consequences. No model number, only serial number. Which…"
Robert Sands's Blog
Just acquired Scott 1936 All Wave 23 P649. Lights up but no reception. Tubes? Advise?
Posted on August 12, 2024 at 5:45pm 2 Comments 1 Like
Tubes all light and warm. Nothing on AM or 3.7 carrier, 7.25 carrier and 18.26 carrier broadcast from nearby antenna. Zilch. General advice is to replace all tubes or one at a time. What do you say, group. Hum low to moderate so speakers and audio working.
Robert Sands K7VO
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