The royal pain in the rear. Dented HD650 diaphragm centrally and peripherally. What can I do? Moderate "dulling" and weakening of the left channel. More details in the comments. : r/headphones
What are the best headphones you would recommend in the $100-$250 range? What headphones do you have? | Page 4 | Audio Science Review (ASR) Forum
092855 Neodymium Dynamic Headphone Capsule 300 Ohm for Sennheiser Hd650 for sale online | eBay
HD650 driver from 2005. Is this really bad? : r/headphones
Sennheiser HD600 Review (Headphone) | Audio Science Review (ASR) Forum