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I am comparing my used 2008 TS 160's with my new CALB 180's and the cases are identical, right down to the plastic casting marks. My question is, is TS making calbs or is CALB making TS?

Francis
 

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I am comparing my used 2008 TS 160's with my new CALB 180's and the cases are identical, right down to the plastic casting marks. My question is, is TS making calbs or is CALB making TS?
I thought that they really were different companies, with SE/CALB started by a former employee of TS/Winston.

I did hear some time back that sometimes these companies might manufacture cells under contract to the other company, when production orders exceed supply for one of the companies, and the identical case markings would appear to bear this out. But this seems so unlikely to me. What if there is a quality issue? Surely these companies don't want to share the exact recipe with each other.

Maybe it's more mundane, like both of them subcontracting just the plastic case moulding to the same subcontractor.
 
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