I guess all the gauges should be of somewhat equal dimensions down the line, the compact casette being a standard. Perhaps going with wider tolerances (comparing different manufacturers) would make production easier...probably not.
Comparison Willy Herman's WHS-300 to a ABEX THG-801: https://serwisvintageaudio.pl/2019/...nia-glowic-porownanie-whs-300-kontra-thg-801/
And the one destined for my crap:
Comparison Willy Herman's WHS-300 to a ABEX THG-801: https://serwisvintageaudio.pl/2019/...nia-glowic-porownanie-whs-300-kontra-thg-801/
And the one destined for my crap:
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