Mark levinson 20.0

hello to all: I'm immersing myself in your conversation because I'm looking for amplifier cards for my 20.0 mono blocks! indeed these ones have broken down, and I'm looking for others of course. If you allow me to submit this message to you of course and to pass it on to all Mark Levinson lovers.
I look forward to receiving a favorable response and send my best regards.
Cordialemenjt