Here is a nice set of three, New Old Stock and New In Box 5U4GB type rectifier tubes. All are labelled 5U4GB; but one is also labelled 5AS4A(which has identical ratings). These all tested very strong and tested very closely. This definitely indicates an excellent set of three 5U4GB type tubes. Two of these5U4GB tubes both have matching date codes of DFN, while the 5U4GB/5AS4A tube shows a date code of ACR. The tubes will stand approximately 4 inches above your amp chassis. The included Sylvania boxes are very nice, with only a bit of wear at the edges. These boxes are definitely original boxes. These tubes are the desirable black plate variety of 5U4 rectifier tubes. This is a nice set of three new 5U4GBs. Fastest shipping is via a usps postal money order payment. Personal checks and bank MOs will require clearing my bank before shipment. Since these are large tubes, a strong box and careful, cushioned packing is needed. Priority Mail Postage anywhere within the USA will cost $10.
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