Audio-Technica Ath-cks5tw in this case. 10mm DD, amplification, BT receiver, microphone, 3.7v li-ion battery. What kind of driver and electronics do you use to get 15hrs at 10 grams/each? 🤔

Hi, it would be nice to view not only the high-end stuff, but also the vintage source gear that are still in use, while commuting, excercising or doing something else.. It's a good reminder where we all come from and how far development has moved since. Portable MP3 Roots might be a fitting theme..

Well, at least Harman seems to be involved in the audio bits. Other than that, it has an e-ink display, 1900mah battery, plays FLAC and has a price worthy an Apple product. Strange times. https://mudita.com/products/pure/specs/

Interesting stuff. With veteran sound engineer Alan Silverman. Video starts around 3min 50s. Future of mastering

Hi, I have had the AKG 172HD for 10y or so, but they have not been used for a good while because of two cable breaks, one is close to the cans (8-9 inches) the other one is further down. Going to replace the cable, thinking of cutting it and solder a 3.5mm (1/8") female connector and use a...

Hi all, Actually I didn't know where to start this thread, but I guess it's closest relationship is in the source cathegory.. Anyway, the other day I found a music disc with a mysterious "Ultra HD" printed on it. After some googeling I found this site, with interesting reading...

Hi, went down to my local hifi dealer to get a pair of headphones for portable use, not walking or running though, will mostly be used on the train, busses, airplanes etc. Used my Iphone 4 for the tests.   Contenders are: AKG K518 DJ AKG K540 AKG K530 AKG K514 AKG K142HD AKG...

Hi all! Nice to be part of such an inspiring forum (first post) . Well, my first question is if anyone has made a test between 9V batteries, different brands, manufacturing techniques (alks. vs nimh, for ex.). Since portable amps are a growing market, I thought some relevant testing would be...