JPS Abyss 1266, HE6, Petertek Mod t5p, They all kick like mules. The Abyss can out of a powerful headamp but is best out of speaker amp, HE6 speaker amp for sure, t5p needs tubes for punch becomes a whole new animal.
Headphone Amp Inventory:
Anthem 225 (it is a head amp for the HE6! also with HE6 adapter for moderate to low impedance cans), 'The Wire' (special mention with the Abyss and HE6 kicks better than 10w Audio GD), Garage 1217 Project Ember II, ifi DSD Micro
MHDT Atlantis+ (one of a kind upgrade thanks to luckbad) consuming 6N26P as favorite
MHDT Stockholm V2 consuming Tesla 6CC42 as favorite
Starting Point Systems Total Dac 3
Asus Rog, Fiio X5, Zune HD, Ipod 6 Classic
Stefan Audio Art 4ft, 12ft, others
Other Audio Equipment:
Kick A Vintage EV Cabinents: 10" Woofers, Horn Mid and Tweeter, vertically arranged.
Ravenscry, Sirenia, Bloodred Hourglass, Arven, Tales of Evening, Insomnium, Amon Amarth, After Forever, Epica
A lot of Metal
some folk like Faun, The Moon and the Nightspirit