| 摘要 |
Apparatuses, systems, and methods are presented which provide for a musical instrument direct box combined with a musical instrument tuner which may be phantom powered by an external audio system, according to some embodiments In some embodiments, an apparatus is presented. The apparatus may include a direct box (DI) module, and a musical instrument tuner module coupled to the DI module. The musical instrument tuner module may be phantom powered based on a connection to a remote system geographically distinct from the apparatus. In some example embodiments, the apparatus may also include a tuning transformer coupled to the musical instrument tuner module and the DI module, the tuning transformer configured to galvanically isolate a ground domain of a musical instrument signal from a ground domain of the remote system while the musical instrument tuner module measures a pitch of the musical instrument signal. |
