The Spirit Stone Radio is a memo in Fatal Frame II: Crimson Butterfly.
|The Spirit Stone Radio was a modified crystal radio set that used crystal as part of its circuity.
It picked up voices from the spirit world.
It was created by Dr. Aso, who also designed the Camera Obscura.
Dr. Aso, after giving Makabe the Camera Obscura prototype and the Spirit Stone Radio, traveled Japan seeking ways to complete his Camera Obscura, but died unexpectedly.
His death meant the principles behind how the devices captured the spirit would remain a mystery.