18-07-2020, 05:59 PM
Except for one old ear unit, marked 'BBC' which works well and looks the part (similar in many ways to the above) I only have my Koss K-6 headphones which, although look and are more modern, are getting old themselves now. With my last regen I used a matching transformer as I think they are 800 ohm (I wired for mono so probably half that).
