Scan Speak 290001
![Scan Speak 290001 Scan Speak 290001](https://auto-stop.gr/image/cache/catalog/ellicon/images/detailed/1/290001-550x550w.jpg)
![Scan Speak 290001 Scan Speak 290001](https://auto-stop.gr/image/cache/catalog/ellicon/images/detailed/4/ssv-550x550w.jpg)
![Scan Speak 290001 Scan Speak 290001](https://auto-stop.gr/image/cache/catalog/ellicon/images/detailed/1/290001-80x80w.jpg)
![Scan Speak 290001 Scan Speak 290001](https://auto-stop.gr/image/cache/catalog/ellicon/images/detailed/4/ssv-80x80w.jpg)
130 mm flow resistor
Scan-Speak Flow Resistor Aperiodic Vent - EACH
Cutout size is 4.3 inches.
Product picture demonstrate the front and back side of these vents. They are sold each, so order two if you require a pair.
Aperiodic vents lower the Q of your driver in a sealed box. They essentially makes your sealed box woofer act as if its in a box that is roughly 20% larger. We recommend using one vent for boxes up to 1.5 cubic feet and two vents for larger speakers. If your box is really undersized or if you are using a large woofer in a small box, you could use two or more, to help reduce pressure in the box.
Also known as the "Scanspeak 130mm Flow Resistor #290001".