Gap erosion most likely from corrosion.
Placed a Q-Tip wetted with white vinegar over those deposits for a couple hours.
The brass underlayment is showing, the ferrite bottom of the gap is gone.
I have no idea how this will affect performance, most likely not good. We'll see. Perhaps internal adjustments can compensate.
Well. Sam and others have commented on other forums about these heads aging badly.
I'll continue with these through the build, while researching alternative heads like the Sendust and Alps Ferrite.
I'll make changes to enable easy head swapping.
Placed a Q-Tip wetted with white vinegar over those deposits for a couple hours.
The brass underlayment is showing, the ferrite bottom of the gap is gone.
I have no idea how this will affect performance, most likely not good. We'll see. Perhaps internal adjustments can compensate.
Well. Sam and others have commented on other forums about these heads aging badly.
I'll continue with these through the build, while researching alternative heads like the Sendust and Alps Ferrite.
I'll make changes to enable easy head swapping.
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