Last gig I played we were told to bring amp head only as the cabs would be supplied.
Usually I take a cab anyway, but as my mates van was broken and we went in my car I didn't have room.
Turn up at the venue and see a small Line6 2x10 combo on the stage, heart sinks a little. I ask the promoter about the supplied cab. He shrugs and says I'm to use the Line6.
The other band sound check, combo is at full tilt, only just audibly, farting out notes, my heart sinks more.
I ask the sound guy where the cab, I was told was available, was. He points to a smallish Marshall cab.
I go and check it out.
No back, no labels on drivers, no multimeter to confirm impedance and, worst of all, part of an instrument lead hard wired as the connector.
I talk to the owner of the Line6 who say I can change any of the settings as it has memories and his are all programmed into number 1.
I use the Line6, turn off the 'Deep' setting, set the tone controls to a more appropriate setting than all maxed. Farting goes away, sounds louder and clearer. So I get through the gig ok.
I'm going to be certain to take a head and a cab from now on.