Not many brands still develop electrodynamic loudspeakers with electrically run field coils, as was prevalent from the earliest types. The interior from the imposing Lorenzkirche is way more ornate than I anticipated from a Protestant church--there is even a picket sculpture of Mary, total with rosary, hanging above the altar. https://miffyspeaker04814.vblogetin.com/35341785/considerations-to-know-about-speaker