10-13-2024, 02:06 PM
The model 91 late schematic shows the field coil at 285 ohms but the speaker chart shows 3275 ohms for your H7 speaker. So, I would say you have a bad one. Other models with that speaker are 14LZX, 15X, 23X. And I believe your OT primary is also bad. It should read around 680 ohms.