Official Blackstaramps Forum

Thanks, @thephantum. You're right, can't be the preamp tubes. I order some new tubes from TAD, they'll arrive in a couple of days. You know what helps? If I put my Soldano "Jet City" attenuator in between, the amp goes silent. The -3dB seem to help 8-) http://www.jetcityamplification.com/#!jettenuat...

Hi forum folks My Artisan 15 has been quiet like a church mouse since I bought it. Yesterday, it started sounding like a waterfall, on both channels. Channel 2 being worse than channel 1. Of course I could change all tubes and see what happens, but what is the most likely reason? Pre-amp tubes? Powe...