CoiL
Member of the Trade: Wood Audio Accessories & Modifications
wrong thread
For EDM - HD-681 EVO
DAC - Hifimediy Sabre (~42$) or some cheap PCM-2704 chip based DAC from eBay.
Amp - HD-681 EVO doesn`t need amping but it makes it better littlebit. Cmoy would be enough but cheaper option would be DAC+Amp combo like ELE EL-D02 (does it`s job very nicely with my HD-662F & HD-681): http://www.head-fi.org/t/677895/ele-dac-support-and-appreciation-thread#post_9741300
I am still searching for the 681 null in China, not to be found.
So...I am going to order what I believe are some clones of the 681.
The ISK HP-680 / ISH800 may be a clone of the 681 or 681b, no way to know and will buy and try.
The PreSonus HD7 Blue Ring may be the 681 or 681b, no way to know and will buy it to find out.
In addition I am buying the Superlux HD-662 and Superlux HD-662f to compleat my 662 collection.
I have the 668b so I will not buy the Samson 850, identical.
I will soon have the 662 line so I won't buy the Samson 950, which is a clone of the 662b(?) that I already own.
If anyone knows differently or if I am wrong, let me know.
TIA!