Hi all and let me explain about delays. Sorry for everyone who ordered and payed for Liberators, but still didn't get them. There are 2 reasons: - I had production delays about 2-3 weeks, but ALL THE RECENTLY ORDERED LIBERATORS WERE SENT BETWEEN 5 and 25 of April 2007 by REGISTERED AIRMAIL...

Hi I have got a question concerning DT880-2005, if someone has a pair recently purchased (say in last 6 months). My DT880-2005 (an early make) have a thick black felt damper originally installed on the front of the transducer (visible when earpads and foam ring removed). Can someone check if...

Welcome Peter from MBQuart again! It is still unusual to talk on forums with engineers from big companies (unfortunately), so thank you again to join our forum, and I am sure it will be interesting for members to hear designer's ideas, and - for him -acknowledge audiophiles' opinions. In...

Hi. While the headphones' impedance isn't a parameter directly linked with their sound quality, a low impedence can actually help designers to build a coil of lower weight. It is because the coil needs less wire to be 32 ohm than 600 ohms one. Of course a wire to wind a 32ohms coil have to be...