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FDP Forum / Performer's Corner / Backup amp, rubber meets the road time

6 Cylinder Slim

New England

Shoes for Industry
Feb 21st, 2012 07:22 AM   Edit   Profile   Print Topic   Search Topic

For a year now, I've kept a ZT Lunchbox amp in the band trailer as a guitar amp backup. My plan was: A short speaker cable and adapter so I could run the Lunchbox through my regular amp speaker. During setup, we found the band leader's amp with a broken off volume knob. It was a cheap amp and there was nothing left but a little plastic pot shaft broken off flush. The problem was the last place we played was a quiet, non reflective stage and this one was unusually loud. So I swapped amps with the band leader to see if I could get by with the low amp setting. I couldn't hear it at all over the drums. I get the trusty Lunchbox out of the trailer, but the band leader's cheapo amp has hard wired speakers so I can't run the lunchbox through the cab. So, I comes down to me using only the Lunchbox with it's built in 6" speaker. I set it up, dimed the volume and turned up the gain knob until it just started to distort a little bit. To my amazement, even in this loud room, I could hear this tiny amp. It wasn't the tone I like, but it got me through the night just fine. I can recommend the Lunchbox for anyone looking for a "get you through the gig" backup amp in a tiny package.

Contributing Member


Chasing Sanity
Feb 21st, 2012 07:34 AM   Edit   Profile   Print Topic   Search Topic

Cool story, its interesting how loud low watt amps can be. Did you mic the ZT lunchbox?

Steve Dallman
Contributing Member

Merrill, Wisconsin

Dangit! Hot weather.
Feb 21st, 2012 07:34 AM   Edit   Profile   Print Topic   Search Topic

FWIW, the pots on my Dual Rectifier have plastic shafts.

Contributing Member

Lansing, MI

Feb 21st, 2012 07:43 AM   Edit   Profile   Print Topic   Search Topic

5, the lunchbox is little, but it's also NOT a low-watt amp. More like 200 watts!

6 Cylinder Slim

New England

Shoes for Industry
Feb 21st, 2012 08:20 AM   Edit   Profile   Print Topic   Search Topic

We always mic the amps, but in this room I doubt the bandleader put any in the FOH. It was just one of those rooms. Very reflective, very loud and the drummer wasn't backing off nearly enough IMO. The vocal monitors were totally swamped. I really didn't expect to be able to hear that tiny Lunchbox amp under these circumstances, but I did. I figure that if it can cut it on a stage that loud, it can cut it anywhere. I'm a dinosaur in this business. I never knew any amps had plastic pot shafts. I've seen amps take hits to the face plate before and the control knobs damaged, but I've never seen a metal shaft break off flush making the amp useless. We do transport our gear in a trailer. Road cases would probably be a good idea.

Fast Lane Pablo


Feb 25th, 2012 03:22 AM   Edit   Profile   Print Topic   Search Topic

Alligator clips are your friends. Screw them to a speaker wire with a 1/4" on the other end and you could have clipped on to the speaker in the other amp, hardwired or not.

FDP Forum / Performer's Corner / Backup amp, rubber meets the road time

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