My amplifiers and the Modded Grado SR80

And there it is the SR80 to my collection of DIY stuff.

My modded SR80 with my other amps
 

Xiangsheng 708B(Full Tube Amplifier)
CK2III (Solid State Amplifier)
SOHA (Hybrid amplifier)
CMOY (Portable amplfier, but not so portable in my case)