On 08/11/2016 01:04 PM, tony sayer wrote:

Thanks for all who replied and a mail which turned up from someone
nameless in the BBC who says there're DT770's or a version of them!..

Cheers..


http://europe.beyerdynamic.com/shop/...o-250-ohm.html


Interesting to any DIY'ers who want to drive them with opamps? Of
course more op-amps is always an answer.

Pete