Mesa Boogie Bass 400 Repair and Refurbishment

Craig was very proud of his rack-mount tube-powered bass amp.  But there were crackles and pops while playing.  He wanted to have everything looked-at.  Could The Unbrokenstring Crew get it tuned up? This is a heavy monster.  Yes, that implies 400 watts out.   These are the tubes that were still alive.  We’re missing a…