Ok I finally found!   Here we are: http://www.hisforhome.com/ProductDetail.aspx?ProductID=1955   These are Duette Model SH-1D produced by J J Silber Ltd of London in the 1960s/70s. Does anyone know this brand??   Cheers!

Thx Joel! Well, I spent 3hours again google crashing everything I could and followed your clues... still nothing that really match... Do you or do anyone know a database where all the 70s headphones are listed? Or a good website about 7Os headphones, or so specialist?? Oh and I foud a...

  Hi guyzz, Surfing on the web brought me to this http://farm4.static.flickr.com/3100/...4279b21cb0.jpg It looks like sansui SS, but it' not. On the logo it says the brand is DUETTE, the model is stereo foam headset SH-1D but every google crash I made on it did not return anything...

Hy guyzz,   Surfing on the web brought me to this http://farm4.static.flickr.com/3100/3241664192_4279b21cb0.jpg   On the logo it says the brand is DUETTE, the model is stereo foam headset SH-1D but every google crash I made on it did not return anything. Anyone has an idea of the brand...