"William, ... as for the D issue, it had been awhile since I browsed the set folder for the 12 tube Deluxe. I see Kent added the D suffix more recently to the several files. Now I understand your model reference AW-12D.
So - you do…"
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Stuart Smolkin
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Seeking help – connecting a single Scott field coil speaker to a two speaker AW12D chassis
Started this discussion. Last reply by David C. Poland 19 hours ago. 9 Replies 0 Likes
Our museum (avlradiomuseum.org) has a later Scott AW12D chassis (AVC with Wunderlich tube) which we believe originally had two speakers (because pin 6 on the Jones jack is used, with a capacitor…Continue
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"The D refers to Deluxe nothing else.
There is a wire factory connected from one of the 10mfd (8mfd originally) capacitors positive side to pin 6 of the Jones plug. I measured voltage at that pin and measured 0 volts there with respect to ground. Is…"
"I do not understand where the "D" come from. You say is for the AW-12 D , unless the D stands for Deluxe
Scott used the term a ALLWAVE DELUXE to denote the first model with single dial tuning.
The Previous ALLWAVE model ( we call the…"
"The 2nd field coil measurers about 2500 ohms.
Follow the Riders diagram circuit diagram for the field coils. Colored pencils helps to follow..
The 675 ohm field coil is in the bias circuit - off the 2.5 filament secondary center tap through…"
"Kent, thank you for approving my membership in this forum.
Question is the choke you are referring to the 50 Henry (or 30 Henry I can’t tell image quality of Riders is poor) choke above the 45 tubes on Riders schematic? Also we believe the…"
"Stuart - I just approved Bill's membership here on the forum. Weak output on the AW12D is also caused by a failed choke in the audio stages. There is a modern Hammond equivalent for that, I'll have to dig up the number. They sound pretty…"
"Hi David, and thanks for the quick reply. When I go back to the museum I will check to see if there is a 3569 mark on the side of our speaker (although it may have been covered over when the previous owner decided to repaint the speaker,…"
"For most of the Allwave Deluxe production run with the set cable 6 pin Jones plug, pin 6 was unused. But late production examples have an audio path change for the 2nd AF plate circuit that made use of pin 6. We have a diagram showing that revision…"
"Not a problem if the correct 12 inch pedestal. .
FYI - the 1932-1934 Allwave Deluxe 12 tube with Wunderlich tube was the December 1932 upgrade to add AVC. This upgraded AVC model continued to use the twin speaker flange mount…"
Seeking help – connecting a single Scott field coil speaker to a two speaker AW12D chassis
Our museum (avlradiomuseum.org) has a later Scott AW12D chassis (AVC with Wunderlich tube) which we believe originally had two speakers (because pin 6 on the Jones jack is used, with a capacitor connected to it).We recently acquired a Scott field coil speaker (the kind that sits attached to its own metal stand - see photo). The field coil is connected to the two fat pins on its plug and its resistance measurement is around 760 ohms. …See More
"Nathan, my name is Stuart and I am the curator of the Asheville Radio Museum (avlradiomuseum.org). I stumbled on this post of yours and am hoping you might be able to help me a bit.
We had purchased a Scott AW12D a while back. It…"
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