Possible Clues:

• Range of particular faculty so heartbreaking?
• Others distressed about a faculty's range
• Oddly abandoned repairs before attempt to find range of sound
• Range within which you can answer the question 'Can you hear me now?'
• Not a sound will be heard out of this!
• The range within which something can be heard
• Parts of cereal crop burning in distance we hear
• A voice might be heard within this
• Hero sat (anag.)
• Cereal crop parts burning in distance we hear?