Contact number: (520) 222 6075; NOTE: you may need to dial 1 then the number!
Contact e-mail: firstname.lastname@example.org
This number is active, Monday to Thursday, AZ Time, 10am to 3pm only, all other times, it will go to voicemail, thank you.
NOTE: AZ does not have daylight saving time!
Erhard Audio's operating days are Mondays to Thursdays, thank you.