This is a new-to-me reel to reel (the military version, 1 fuse). So far I've replaced the belt and had the pinch rollers rebuilt. I then rebuilt the tensioners replacing the microswitches, etc. I then recapped the Counter Assy board (3 caps). I then replaced the 1 amp (blown) slow blow fuse that someone had installed with the correct 2 amp fast blow fuse. Hooked it up to my dbt and it failed. I then recapped the Control B Assy board (C223 was shorted). It passed the dbt test so I plugged it in. Today I installed a tape for the first time and gave it a try. It was recorded at 3 ¾ so while it worked it sounded like chipmunks. Forward and reverse play worked, as did FF. FF rewind on the other hand started off significantly slower and eventually came to a stop. I’ve read in another thread that fast modes that start fast, then slow at the end are generally due to incorrect balance between FF/REW torque, and back torque, as well as incorrect selection of reel size (or bad selection circuitry). Any idea as to what to look for? Continue recapping?