Concerned about efficiency - will a little portable DAP drive them to a good healthy level? - which it can with the ATH M50's. I'm aware that their ability to reduce ambient noise is superior to that of the A-T's, and I would not be interested in buying the Beyer cans if it were not for many...

I'm concerned about efficiency. I would use them almost exclusively with an Astell DAP. How does the Beyer DT-150 (250 Ω) compare with the AKG 371 or my well worn A-T ATH-50 (32 Ω) ?

I'm concerned abouy efficiencey, I would use them primarily with an Astell DAP. How does the Beyer DT-150 compare with the AKG 371 or my well worn A-T ATH-50?

I'd be curious to know how these compare to my venerable A-T ATH-M50 - not just with regard to sound but efficiency also. Very important, since I use these with an Astell DAP. BTW, the headband material is completely frayed, very thin, poor quality material. I hope these new cans are better.

I came across this website and one item I found interesting was this pair of Koss ESR 9 electrostatic headphones previously owned by drummer Mitch Mitchell. https://bid.gwsauctions.com/auction/46/item/jimi-hendrix-experience-mitch-mitchell-koss-headphones-7369/ I haven't seen any...

I transfer files, mostly FLAC, some high-res WAVS, using a simple directory, open in two panels - one for the source folder, the other for the AK120. While this is on a PC, I don't see where a similar technique would be a problem with a Mac.   Proprietary software just makes things needlessly...

A few months ago a customer ordered a 2.5 meter long silver headphone cable, 1/4" to mini XLRs, for Audeze LCD-3 headphones. Pure siilver, cost $270.00.   His comment after he used it a few weeks: "The silver headphone cable you sent for my Audeze LCD-3 headphones are superb sounding...

If and only if the original recording was mixed using headphones as reference monitors, I would agree with you 100%.   But anything mixed with speakers playing in front of the mix engineer, when reproduced over headphones or IEM's will have an exaggerated, artificial soundfield.   I...

Soundstage in headphones? You jest. What soundstage?   There really isn't any. The stereo spread is completely artificial. The left channel feeds only the left ear and right only the right ear.   Listening to speakers, there is a semblance of a natural soundstage where the music is in...

If you have the battery changed, demand that they return the original battery that was removed.

Out of curiosity I made a phone call and checked for myself   Cost is $59.00,   ..Not too bad but still too expensive. You can have an automobile battery change for less.   source: http://www.99contactsinfo.com/electronics/iriver   Iriver America details: Iriver Inc 39 Peters Canyon...

So, exactly how much did these clowns expect you to pay to have them change the battery, and how long was it going to take?   TKS, MS

I recently bought a very nice used A-K AK120 - original version. Firmware is 1.42.   Sounds good, a slight improvement in detail over my iBasso DX-90 -   but... A few things don't seem to work very well:   It refuses to recognize APE files. It does recognize some DSF files but has...

I recently bought a very nice used A-K AK120 - original issue. Firmware is 1.42.   Sounds good, a slight improvement in detail over my iBasso DX-90 - but... A few things don't seem to work.   It refuses to recognize APE files. It refuses to recognize DSF files ---- update: It does...