Causes Hydranencephaly is an extreme form of porencephaly, which is characterized by a cyst or cavity in the cerebral hemispheres. Although the exact cause of hydranencephaly remains undetermined in most cases, the most likely general cause is by vascular insult such as stroke or injury, intrauterine infections, or traumatic disorders after the first trimester of pregnancy.
Product description. Voice Changer (Vox Box) for your Android device lets you record your voice and add effects and then save the audio to your SD card or set it as your deviceâs ringtone. You can reverse the direction and change the pitch, plus apply affects to your voice--robot, metallic, echo, and more.
The AC4 uses four tubesâan EZ80 rectifier, an EF86 preamp tube, an EL84 power tube, and an ECC83 (12AX7)âto drive the tremolo circuit (which Vox calls a âvibratoâ circuit.) The AC4 is designed to provide the plates of the latter three tubes with a different DC voltage thatâs appropriate for that tube.