EH Scott Radio Enthusiasts

The Fine Things are Always Hand Made

Day Radebaugh
  • Male
  • El Dorado, KS
  • United States
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  • Kent King

Day Radebaugh's Discussions

Newbie with an 800B

Started this discussion. Last reply by Day Radebaugh Sep 10. 61 Replies

Hello:I'm Day Radebaugh from El Dorado, Kansas, and was happy to find this site.  30 years ago, when I was a starving student, I lived in a house in Baltimore that was in the process of being sold. …Continue

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Day Radebaugh replied to Day Radebaugh's discussion Newbie with an 800B
"Thanks, David.  I did bone up on superhets, and the IF stage of 455KC.  However, the Sam's clearly labels the front end of the 800B as 600KC, which is ahead of the IF stage.  It was my impression that there was a tuned circuit…"
Sep 10
David C. Poland replied to Day Radebaugh's discussion Newbie with an 800B
"No such thing as an AM or FM tab label on an 800-B. Rather - the push button tabs are rewired as FM or AM stations - study the documentation for how. Closely spaced stations take careful planning on arranging the adjustable stops on the rear…"
Sep 10
Dave replied to Day Radebaugh's discussion Newbie with an 800B
"I have only the “ON” tab label so for starters would need “OFF” “AM”  “FM” and then anything to populate the “Station” buttons. Perhaps you have some such as WJR for Detroit but…"
Sep 9
Kent King replied to Day Radebaugh's discussion Newbie with an 800B
"I have some NOS station tabs. Are there particular ones you are looking for? Kent"
Sep 9
Day Radebaugh replied to Day Radebaugh's discussion Newbie with an 800B
"Thanks.  On my unit, the letters have been typed onto thick stock, then trimmed and inserted.  To duplicate the old look, you'd get MS Word and a color printer, and print them.  Would look great."
Sep 6
Dave replied to Day Radebaugh's discussion Newbie with an 800B
"I concur with Tom, “tuned” frequency is not a constant.  Not to wander, but since the 800b is rarely discussed, does anyone know of a source for the push button call letters ?"
Sep 6
Day Radebaugh replied to Day Radebaugh's discussion Newbie with an 800B
"Thanks.  As I understand you, the Sam's is just plain wrong.  This would make sense to me; I didn't understand how the full AM bandwidth could somehow be reduced to a single frequency, 600KC."
Sep 6
Thomas Day replied to Day Radebaugh's discussion Newbie with an 800B
"Hi Day: I read thru the rf section of the tech manual. The RF tuned circuit frequency is set by the variable capacitor. As the capacitance value changes the frequency the circuit is tuned to also changes. Not sure where the Sams info gets the 600Kc…"
Sep 5
Day Radebaugh replied to Day Radebaugh's discussion Newbie with an 800B
"I'm checking back in after weeks of enjoying and familiarizing myself with the 800B.  It's prompted me to refresh my understanding of circuits and electronics.   I must say that Section IV Circuit Description (pp. 13-20)…"
Sep 3
Day Radebaugh replied to Day Radebaugh's discussion Newbie with an 800B
"Thanks very much, Dave.  A very long haul, but very worth it.  Appreciate your comments."
May 2
Dave replied to Day Radebaugh's discussion Newbie with an 800B
"Wouldn’t sweat either location Day. That bottom chassis pan should act like a nice radiator. This was a long haul, I like the results."
May 2
Day Radebaugh replied to Day Radebaugh's discussion Newbie with an 800B
"Here's a pic of the interior of that cabinet from the access hatch.  "
May 1
Day Radebaugh replied to Day Radebaugh's discussion Newbie with an 800B
"I've got that power transformer as far away from everything as it can be.  I can move it backward a bit, almost poking out the back of the cabinet."
May 1
David C. Poland replied to Day Radebaugh's discussion Newbie with an 800B
"The orientation of the power transformer with respect to the receiver may be a more important consideration than heat from he 6L6's and 5U4's"
May 1
Day Radebaugh replied to Day Radebaugh's discussion Newbie with an 800B
"Here's an ugly pic of the cabinet from behind, showing the power supply section.  I oriented the power supply so that the 6L6's were as far away from the tuner section above it as possible.  I'll install a home theater type…"
Apr 30
Dave replied to Day Radebaugh's discussion Newbie with an 800B
"Excellent cabinet execution Day !  Be nice and pull access door for photo of those big beautiful 6L6s. Hope all’s well down on the ranch. Our lakes remain ice covered for a little longer, a Winter to forget !"
Apr 30

Comment Wall (2 comments)

At 9:31pm on January 14, 2018, Dave said…

Day I have a shallow PM Scott speaker to trade if so desired

Dave....please post me direct acat40@gmail.com

At 9:33pm on January 14, 2018, Dave said…

See above Day

Dave

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