You are right ; the resisteance of the mic is 2.1 k ohm . The resistance of the drivers is more less .
I ve used the headphone with adaptator on a c’è player and works .
Now I’m sure the denon has a defect
could it be only a connector failure
Hi,
I’ve a denon avr 1400h and a pair of sonus faber concertino. I tried to measure with audyssey editor the curve
Let me know what you think :
https://ibb.co/X33xZsL
https://ibb.co/5nT1KtK