50 years ago Sonab (from Sweden) was selling high impedance speakers (100-300 Ohm) to be used with their OTL amplifier (White cathode follower).
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Topic - Sonab system - 6AS7_6SN7 01:28:02 04/23/17 (1)
- RE: Sonab system - kablemetal@gmail.com 16:59:45 05/05/17 (0)