Hello – I have a matched pair of Western Electric 437A tubes for sale.
These tubes have black plates, halo getters and matching 1969 date codes.
I am unable to test these tubes other than the filaments which test good. The tubes look clean and appear to be have seen little use. I have several more pairs. 3 pairs have been already been sold. Questions? Please contact me.
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I will ship international.
Your tubes will be carefully packed.
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