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Tungsol 6550 - two dark plates or a black & a grey one ?

OK - so I decided to buy the NOS Tungsols. Couldn't resist the chance to buy them. Pictures attached. The single getter must be a black plate and it has a lighter brown base than the triple getter. There really isn't a great deal of difference in the colour between the two of them but the single getter is definitely a little darker. The date code is the same on both at 6235. Could they after all both be dark plates.

But what I dont know is whether a grey Tungsol is a light grey or a dark grey. Is it hard to tell them apart from black plates?















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Topic - Tungsol 6550 - two dark plates or a black & a grey one ? - highfell 14:32:42 09/26/14 (8)

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