DragonMaster0121
New Member
I see advertisements like:
CYBERNETIC EAR!
Enhances Normal Hearing 3 To 4 Times
Use for courtesy lowering of TV volume, etc.. Detect rattles, mechanical abnormalies, leaking gases, air, electrical corona. Excellent safety aid for lab or shop.
Adjustable Volume Control
Fits Into Either Ear
Long Lasting Batteries
and
AMAZING ELECTRONIC TURBO EAR!!
Greatly Amplifies Hearing
High Quality Device
With Hi/Lo Filter
Adjustable Volume
Built In Light Indicator
Uses 1 AAA Battery
Small Size 2.75"x 1.75"x .75"
does anyone have any schematics on how to make a small, high sensitivity hearing aid?
CYBERNETIC EAR!
Enhances Normal Hearing 3 To 4 Times
Use for courtesy lowering of TV volume, etc.. Detect rattles, mechanical abnormalies, leaking gases, air, electrical corona. Excellent safety aid for lab or shop.
Adjustable Volume Control
Fits Into Either Ear
Long Lasting Batteries
and
AMAZING ELECTRONIC TURBO EAR!!
Greatly Amplifies Hearing
High Quality Device
With Hi/Lo Filter
Adjustable Volume
Built In Light Indicator
Uses 1 AAA Battery
Small Size 2.75"x 1.75"x .75"
does anyone have any schematics on how to make a small, high sensitivity hearing aid?