Welcome to Wikipedia. Everyone is welcome to contribute constructively to the encyclopedia. However, please do not add promotional material to articles or other Wikipedia pages, as you did to Class D Amplifier. Advertising and using Wikipedia as a "soapbox" is against Wikipedia policy and not permitted. Take a look at the welcome page to learn more about Wikipedia. Thank you. Binksternet (talk) 22:54, 3 April 2010 (UTC)
- If this is a shared IP address, and you didn't make any unconstructive edits, consider creating an account for yourself so you can avoid further irrelevant warnings.
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