THREE TUNG-SOL6SN7GT, VT231 BLACK GLASS TUBESFor sale three rare 6SN7GT, VT231 ,tubes , Tung-Sol , made in USA. The tubes have black coated glasses, round plates ,and oval top micas. Tested very close between them ,and the readings are: 600...750.00
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THREE TUNG-SOL 6SN7GT, VT231 BLACK GLASS TUBES PERFECT [Expired]
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Member since February 2011
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