Gibson GA-20 Owner's Manual page 10

We invite you to plug in, turn up, express yourself and become a part of a great Gibson
tradition.
If you ever have a question or concern about anything, any day, any time, please call Gibson
Customer Service at 1-800-4GIBSON (444-2766) or email service@gibson.com.
From the Gibson Tone Team at
Gibson Labs Technology Group
Suite 330
159 South Jackson Street
Seattle,WA 98104
www.gibsonamps.com