"Hot Rubber Monkey" is the name of an extra EQ circuit or "mod" that is found on some Dumble Amps. The HRM is also thought to mean "Hot Rodded Marshall". Whatever the case it sounds great!
Rockett Pedals HRM
http://bit.ly/2LqoRM4
My Lesson Pack
https://www.soundslice.com/store/demolition-guided-tour/
My Studio Gear (All Affiliate Links)
Favorite Tuner
http://bit.ly/2WcQPyT
Favorite Strings
http://bit.ly/2JgkYZ2
Apogee Quartet
http://bit.ly/2JiMnJJ
Universal Audio OX Amp Top Box
http://bit.ly/2MGc60V
KRK Systems V8 Studio Monitors
http://bit.ly/2BC8nLB
Furman PL8 Power Supply
http://bit.ly/2JiJuZk
Chandler TG-2 Mic Preamp
http://bit.ly/2MH4I5l
Royer R-121 Ribbon Microphone
http://bit.ly/2pLWn7p
Shure SM 57 Microphone
http://bit.ly/31JM4Ou
Rode Video Mic
http://bit.ly/32EPG5O
Cables
http://bit.ly/2W6h1LJ
PRS Guitars
http://bit.ly/2JiUBS9
Friedman Guitars
http://bit.ly/35U5W4V
REVV Amp
http://bit.ly/2Jft2ZO
Friedman Amp
http://bit.ly/2pIMGqu
Speaker Cab
http://bit.ly/2ogJceq