What does SMR4 stand for?

#1

This question eats me inside hence I am taking heart and asking finally :slight_smile:

#2

4 for 4-pole.

SMR for something complementary with Shruti

#3

Yes, of course!

#4

I must have used search function more agressively :slight_smile:

I was always thinking that SMR was referring a filter type model like SVF ; silly me