Rotary woofer
id:
rotary-woofer-163-15304690
title:
Rotary woofer
text:
A rotary woofer is a subwoofer-style loudspeaker which reproduces very low frequency content by using a conventional speaker voice coil's motion to change the pitch (angle) of the blades of an impeller rotating at a constant speed. The pitch of the fan blades is controlled by the audio signal presented to the voice coil, and is able to swing both positive and negative, with respect to a zero pitch spinning blade position. Since the audio amplifier only changes the pitch of the blades, it takes m
brand slug:
wiki
category slug:
encyclopedia
description:
Type of loudspeaker capable of producing very low frequency sound
original url:
https://en.wikipedia.org/wiki/Rotary_woofer
date created:
2006-09-24T22:04:21Z
date modified:
2024-08-28T12:53:43Z
main entity:
{"identifier":"Q7370285","url":"https://www.wikidata.org/entity/Q7370285"}
image:
fields total:
13
integrity:
15