ESS amt-1b Heil Air-Motion Transformer
This is the Heil Air-motion Transformer which gives ESS speakers their distinctive sound.
Mike's Vintage Stereo Equipment
A Tribute to Older Stereo Equipment
Copyright 2006-2008 by Michael A. Grimm
A Tribute to Older Stereo Equipment
This is the Heil Air-motion Transformer which gives ESS speakers their distinctive sound.