Electric Guitar Scale Exercises.... 5. Cancel. In using a guitar amp, it's important to know how to manipulate the amplifier to achieve a number of different effects, including a clean or dirty sound.
Depends on the weight. A 10 X 13 envelope (must be less than 1/4 inch thick) is considered a flat and costs 80 cents for the first ounce and 17 cents for each fractional ounce after that up to 13 ounces.
The postage rate to mail a 6x8 envelope in the United States as of  2014 is $0.44 if it is within the regulated weight. Additional  costs may occur if it weighs more.