no idea about the speakers, but Lemmy's signature amp is basically a modified Marshal Super Bass, which in turn is a slightly modified Marshall Super Lead. personally, I'm using a Carvin X100B for my bass, and I can straight up nail Lemmy's tone when playing through a guitar 4x12 cab. it's beyond nasty, and the heads are SUPER fucking cheap. I bought mine and the pedal for $325 + tax at the local Guitar Center. not to mention they're absolute bomb-proof. these amps will outlive Lemmy. just make sure you're playing it through the right speakers/cabs. to really nail Lemmy's tone, you need 12's, as I've found out.