Rivera Knucklehead Reverb KR 100 T Troubleshooting Guide download pdf (Page 31)

Knucklehead Reverb 1.0 p 31

Care And Troubleshooting

Don't monkey with it

Chances are, you bought your RIVERA amp to make your guitar sound great, not to

improve your skills with electronics. What we're saying is, "If something ever goes

wrong with your amp, don't try to fix it yourself." There are some potentially lethal high

voltages inside the amp, plus if you do something that causes even more damage than

when you started out, the person who does the real repair will probably tell you, "Hey, I

know what's wrong. Somebody's been monkeying around in here." And, of course,

your warranty will be void.

There are some things you can do to keep your amp running and to determine (and

hopefully remedy) common difficulties.

Keep the amp out of the elements.

A lot of this is common sense. Don't use your amp in a sauna or in the bathtub. Don't

leave it out in the rain or in a damp basement. If you take it to a gig or to practice and

it's cold out, give it 15 minutes or a half-hour to stand in the room where you'll be

playing. That way, it can get acclimated and sound its best when you're ready to play.

Be nice to it.

The jury is still out on whether talking to plants makes them happy, or whether Elvis

lives on the moon, but the verdict on pampering amps is well-known. Don't drop, knock

over, kick, or otherwise mistreat your amp. If you don't have a flight case for travel, use

the box it came in, or wrap it in something thick, soft, and protective. RIVERA amps are

built to take a lot, but why push it? If you treat your amp well, it will treat you (and your

guitar's tone) well.

Check for loose tubes.

Here's as close as you should get to being inside your amp. With the amp unplugged

and cooled off, examine the tubes to make sure they're in tight and straight. Note:

Unlike light bulbs, tubes push straight into their sockets. Never try to twist them! Also

note that some of the tubes are inside of metal sleeves. These are easy to remove for

checking the tubes. Grasp the sleeve with your fingers and depress it (it's spring-

loaded) and turn to the left (counterclockwise). Now pull it off; this may require a little

wiggling action. Remember to put the sleeve back on after you check the tube.

Make sure the power cord is tightly plugged in.

This is critical at both ends of the cord. And don't use one of those 3-pin-to-2-pin

adapters unless you connect the ground lug to the outlet. Leaving the ground

disconnected isn't just cheating—it's dangerous to un-ground any electrical device that's

supposed to be grounded.

Let it idle before you play.

If you have a few minutes to spare before you play, turn the amp on and set it to

standby so that all the parts can get warmed up and stable. Once the amp's nice and

warm (5 or 10 minutes), flip the Standby switch and get busy on your guitar.

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Rivera Knucklehead Reverb KR 100 T Troubleshooting Guide Page 31