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 unground 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 10minutes), flip the Standby switch and get busy on your guitar.
Don’t use the back of the cabinet as a storage locker.
Remember, there’s a speaker
and glass tubes in there. Both cost money to replace (money that’s better spent on strings, picks,
etc., right?). Stash your footswitch and any other heavy and/or hard-edged stuff in a bag or a case
for travel.
Clean your amp once in a while.
You can use a damp cloth or one dipped in a weak
solution of dishwashing detergent and water (lots of water!) to wipe off grime, dried Pepsi, and
whatever else accumulates on the vinyl covering. Make sure the amp is unplugged first. Everything
else can be vacuumed, as long as you’re gentle and use a soft-bristled brush attachment on the
vacuum hose.
1
Q
U I C K
T
R O U B L E S H O O T I N G
G
U I D E
Amp won’t turn on
1. Make sure that the AC mains cord is securely connected at both ends.
2. Verify the power source with something that you know works (a radio, a light, etc.).
3. Check the Mains Fuse, and replace it if necessary (if it blows again, refer your amp to qualified
service personnel).
There’s no sound
1. Make sure that the guitar cord to the input is okay (wiggle it—check your guitar’s volume
setting, too).
2. Check the Volume controls.
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