Swapped out the Fender Blue Labels in my '76 Twin Reverb for some Eminence Patriots and it's like someone removed a pillow from in front of the speakers. Biggest difference in tone
Guitar Amp Tech - Excuse me, Mr Speaker! How old are you, and where are you from? Have you ever wondered what speakers are inside your amp or speaker cabinet? Vintage speaker
Fender Blues Junior - Wikipedia
Vintage Fender Amplifier Date Codes - Fender Amp Manufacturing Date – VintageFenderAmpRepair.com
How to Date a Tweed Fender Champ Amplifier by the Speaker Code | MyFenderChamp
Date My Fender Hot Rod 410 180 | My Guitar Buddies