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. Learn about using the bass and treble knobs on an amp with help from a professional guitarist in this free video on guitar amps.
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 fee for sending by Express Mail for a flat rate envelope or a padded envelope (12-1/2 x 9-1/2) or a legal envelope (15 x 9-1/2) holds at $19.99 going on through 2015 (the same price that went into effect January 26th, 2014). The current price is a .002% rise over the increase to $19.95 effective January `013.