Hi, all.
When I choose "Natural" in preamp section, BASS and MIDDLE knobs work in normal way, but TREBLE doesn'tchange EQ at all. I've checked it on two CODE 25 amps - in both cases this issue appears. As all other preamps work OK, so I assume it's a software problem. Am I right?
Regards, Jacek.
Hi Jacek,
Thank you for your message, we have tested this on a few units and cannot seem to recreate this issue, we would recommend getting this looked at by an engineer, to do this please contact you dealer.
Marshall Support