1935 Philco 89B schematic? - Printable Version

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+--- Thread: 1935 Philco 89B schematic? (/showthread.php?tid=22897)

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1935 Philco 89B schematic? - mikethedruid - 10-09-2021

I have looked through the library at the documentation for 1928 -1936 at the documentation for the 1935 model 89B. I cannot find a schematic for a 2 band radio of this model and period. I am thinking of purchasing it from eBay, and would like to know a bit more before I do. It appears to cover standard broadcast and a shortwave band that goes up to at least 15.0 MC. Here is a picture from the listing of the dial...
[Image: https://i.ebayimg.com/images/g/nRMAAOSwSi9hV1zM/s-l1600.jpg]
Any information and a schematic on this model would be appreciated. It is obviously different from the earlier single band circuit.

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RE: 1935 Philco 89B schematic? - Ron Ramirez - 10-09-2021

I won't give away the eBay item number for your sake; but I found it and that is a 66B, not an 89B. 89 sets have drum dials, not flat dial scales. The only exceptions are the 37-89 and 38-89; neither of which are true 89 sets, of course.

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RE: 1935 Philco 89B schematic? - mikethedruid - 10-10-2021

Thanks, Ron. Yes, all the 89 sets I found had the drum type dials and covered the wrong range for SW. That's what confused me. The cabinet DOES look very similar, at least to my eyes, so I can understand if the seller misunderstood which set he had. I wonder if he looked at the label inside ? (if one is still there)
1935 89B (which came out in June of 1934)...
[Image: https://philcoradio.com/gallery2/images/1935a%20-%201935%20(June%201934)/1935a.af%20-%20Model%2089B/gallery_00.jpg]
66B (which came out later in Fall of 1934)
[Image: https://philcoradio.com/gallery2/images/1935b%20-%201935%20(Fall%201934)/1935b.e%20-%20Model%2066B/image_00.jpg]
In fact the production numbers listed for the 66B include the 39B and 89B ! so I suppose the cabinets were the same, although the dial escutcheons do look a little different if you really look closely, and the drilling for the control shafts is slightly different.

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