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<img style="max-width:100%;height:auto;" src="https://scontent.xx.fbcdn.net/v/t1.0-9/26804536_10156097219805127_3608087976212946493_n.jpg?oh=93e7c9796c76093aeb0a60f8d9504b30&oe=5AE3E0C7"><br><br>"Hi TCA, found some more of these types today. Does anyone know what a type U77 is? It is a medium sized octal glass tube. Looks well made. Seems like a weird typing. Did Gold Lion have their own tube numbering system? Have fun. Larry"
Yes I can, Larry. It is an EXTREMELY desirable replacement for the common GZ34. Originally it was alleged to be more like a 5R4 but is still used as a 5AR4. Routinely selling for $500 to $1000 apiece. And you can't find any real NOS U77s on eBay because it's saturated with Chinese fakes.<br>(Posted on 2018-01-17 05:53:38 by <b>Metasonix</b>)
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