Supply unit for loudspeaker box - has at least three loudspeakers and current supply unit with power pack with DC output

摘要

The box contains pref. one woofer, one medium frequency unit and a tweeter, and at least one frequency filter. There is a device combining the current supply, e.g. an automatic power meter and a display unit connected to it for the total power applied to the LF input. They are connected to the LF input in parallel with the loudspeakers, as in 2738759. The curent supply unit comprises a power pack connected to given an output. The circuit includes several capacitors and resistors.