>>3699497

>>3699505

>>3699533

Thank you guys. Much appreciated. I've always wanted to get deeper into this stuff. For me it's less about the entry level stuff and all about the electronics and radio theory so this is perfect.

>>3699540

a couple 7025 12AX7A fender stamped smaller ones. So far I've only seen used replacements from same time period looks like 300 bucks a pop but I was told by a technician out here newer ones are never really as good