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Last month, we showed the performance of the new ultra-high-fidelity Subwoofer design and provided all the cabinet construction details. In this final article in the series, we’ll finish off the Active Subwoofer by building and installing its internal 180W amplifier, complete the wiring, installing the driver and adding some feet. by Phil Prosser
The Active Subwoofer is a ‘no compromise’ approach. While it is designed for use with the Active Monitor Speakers from Nov-Dec 2022, it can be used in many other applications such as a high-quality home theatre system. by Phil Prosser
The Active Crossover Amplifier fits in a clean-looking black metal case and contains everything you need to drive the Active Monitor Speakers presented last month. It could also be used to power a different two-way bi-amplified speaker system with or without a subwoofer. by Phil Prosser
To finish our new 500W Amplifier, we shall now describe the power supply configuration and the complete assembly details. That includes mounting all the modules and parts in the enclosure, wiring it up, checking that it works and making the calibration adjustments. by John Clarke
This compact Speaker Protector works with up to six amplifier modules and can operate from the same supply (up to ±40V DC). It perfectly suits the Hummingbird Amplifier module described last month. by Phil Prosser