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   Review : Evergreen RumbleFX Force Feedback Headphones »  


Evergreen RumbleFX Force Feedback Headphones - Preamble
 Date  : May 25th, 2001
 Category  : Audio
 Manufacturer   : Evergreen
 Author  : Jin-Wei Tioh
Evergreen Technologies is no new player in the computer industry. Based in Corvallis, Oregon, Evergreen pioneers a range of solutions that "refresh" older systems to current processor performance and functionality. It was founded in 1989, and manufactured its first product by 1990, a processor upgrade to replace a 286 with a 386SX.

Now, Evergreen has begun to branch out with their RumbleFX line of consumer electronics products. Today, we'll take a close look at their first product sporting the RumbleFX name, the RumbleFX force feedback headphones. Here's a brief technical overview of the headphones :

Evergreen RumbleFX Force Feedback Headphones Specifications
Ear Coupling Closed
Frequency Response 5Hz - 28KHz
Sensitivity (SPL at 1KHz) 102dB
Load Rating 500mW
Nominal Impedance 32 Ohm
Connector 1/8" Stereo Plug
(1/8" to 1/4" Converter Included)
Misc. Bass Activated Force Feedback Mechanism
Dual Diaphragm Construction
Driver Unit : 1.57" Diam. Dome
Diameter: 2.24" Diam. Actuator
Cord Length : Approx. 4m (13 ft)
Power Requirements : 3V
Battery Life : Approx. 30 hours

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