Connected with the high-frequency horn driver is a smooth and wide frequency response 2 "Hou tube (2.5" voice coil diaphragm) neodymium magnet compression driver high frequency precision.

After being encouraged by the spruce horn experience, I built a couple of monitor speakers, a guitar combo amplifier and a bass-guitar box with an ALTEC 416b driver.

Connected with the high-frequency horn driver is a smooth and wide frequency response 1 "Hou tube (1.75" voice coil diaphragm) neodymium magnet compression driver high frequency precision.