Home / Forums / General melodica discussion / Hammond H44 Pro Mic Impedance / Reply To: Hammond H44 Pro Mic Impedance Reply To: Hammond H44 Pro Mic Impedance January 29, 2018 at 8:25 pm #9711 Melodica-MeParticipant Hi Herman, I rarely use the Claviola, I bought it in December of 2015 and have not had the need to use it much. It is a great sounding instrument. I hope to find something I can use it on soon. Melodica-Me Posted by Monsters of Melodica on Thursday, December 10, 2015