Reply To: Hum and buzz on BL3s to Theatre March 13, 2023 at 1:19 pm #17422 etype76BRONZE Member Topics Started 7Total Posts 39 Thanks, I recall that in the manual but I always thought that MK2 was compatible with everything and being the thicker type was less susceptible to noise. This reply was modified 1 week, 2 days ago by etype76.