Related Clues:

• Informative response in first six letters one repeated to king
• Made effort to conceal cause of hi-fi distortion?
• Response confined to characters in the first eleven
• Paid footballer's informative response
• Response to an inquiry or experiment
• Informative response not going beyond characters in first eleven
• Responses to customer survey
• Give dinner to sponsor for public response
• Public response
• Paid to endorse reaction after interview
• Paid to support response
• Electrical noise
• Suggestions to improve performance
• Information to pass to defender?
• Useful info from, eg, customers