Anonymous
Favorite Answer
Hi Robert,
Sonic Holography is a proprietary audio filter design used extensively in several preamplifier and receiver units built by Carver Corporation in the 1980s and 1990s.
You can find more information here - http://www.answers.com/Sonic+Holography+?gwp=11&ver=2.0.0.453&method=3
Norm
kovie
Sonic Holography