Marshall Amp Forum - View Single Post - V1 preamp tube in a JTM-60

Nilzon · 06-06-2009, 06:30 AM

OK Thanks, theres no marking of the tubes at all seen from the back.

06-06-2009, 06:30 AM	#4 (permalink)
Nilzon Junior Member Join Date: Jun 2009 Posts: 2	Re: V1 preamp tube in a JTM-60 OK Thanks, theres no marking of the tubes at all seen from the back.