Roofing Felt Speaker Stuffing

At 11mm thick it is suitable for damping the walls of a speaker cabinet to change the resonant frequency and q it is also effective at reducing the back wave from the rear of your drivers.

Roofing felt speaker stuffing.

Layers of 30 roofing felt that costs 0 17 per square foot thanks to dickason for mentioning this stuff. Description our heavy weight recycled wool felt is manufactured from 100 recycled fibres. Polyester fiber stuffing slows down sound waves inside the box making the subwoofer perform as if the box were bigger. Full range speakers have acoustic wool stuffed into the box to remove energy due to friction as the air moves through the fibres.

The sound wave coming off the back of your subwoofer reacts with the air contained in the box. 2 1 2 sheet rock screws. Cup w binding posts madisound td cup. In most regions it is better than the.

Glass fibre insulation material was irritatingly used for much of the 60s while polyester or acrylic fibre similar to that found in cheap sleeping bags duvets or pillows gained popularity in the 70s either inserted loose or stapled. The effectiveness of this approach diminishes as frequency is reduced. Use 1 to 1 1 2 pounds of stuffing per cubic foot of box volume. What s in the box.

Thick felt of the kind that used to be laid under carpets was a popular choice in the early days of hifi. The constrained layer of roofing felt reduces the peak vibration by almost 20 db and the average by about 10 db relative to the blue curve without a damping layer.