Behringer is a German audio equipment manufacturer that has produced a large range of bass amplifiers including an archive of discontinued equipment, such as the BX1200 and BX300 amps. The simplicity of repairing your Behringer bass amp depends entirely on the complexity and location of the problem. You may have a simple problem, such as a loose circuit board component that takes a long time to fix due to the location of the part.
- Skill level:
Things you need
- Owner's manual
- Cross-head screwdriver
- Flathead screwdriver
- Soldering iron
Consult your owner's manual or visit the Behringer official website and browse for your model under "Bass Amplifiers." It's important to know the spec of your amp in case you need to replace any parts, such as fuses or transistors.
Troubleshoot your amp. Plug it into a power source that you don't normally use. This will eliminate a blown fuse in the power source and prevents you investigating a problem that doesn't exist. Turn the volume down to zero. Power up the amplifier and listen for any strange noises. If the amp turns on without issue, you can rule out a blown fuse in the power section.
Unscrew the back and take a look at the power amp. If you spot any loose wires, unscrew the power amp and slide it toward you. Disconnect the loose wires and reconnect them with a soldering iron.
Clean the potentiometers. Unscrew the preamp chassis and slide it toward you. Melt the solder connections, disconnect the wires and completely remove the part from the cabinet. Unscrew the top of the chassis to expose the potentiometers. When you turn a dial, the potentiometer at the back of that dial adjusts the flow of current through the circuit. If there is a calculus of dirt and dust located on or next to the potentiometer, it will interfere with the flow of current. This is typically evidenced by a crackling or buzzing sound when you turn the dial. Use a hand-held vacuum cleaner to get rid of the dust, then use a dry cloth to wipe it clean.
Remove the grille. Unscrew the screws attaching the grille to the cabinet and prize the grille away with a flat-headed screwdriver. Inspect the speaker cone. If your amp is rattling or flapping when you engage the sub-bass setting or increase the volume, it is normally caused by a loose or damaged speaker. Gently push the edge of the speaker with your hand. If it is correctly fitted it will remain firm. If it moves, tighten the screws that attach it to the cabinet. If you spot any damage to the speaker cone itself, remove it and order a replacement from Behringer.
Tips and warnings
- Remove all of your pedals from the signal chain and plug directly into your amp when troubleshooting. This will give you the clearest signal.
- Performing repairs at home may void your warranty. If you are unsure, consult a professional technician.
- 20 of the funniest online reviews ever
- 14 Biggest lies people tell in online dating sites
- Hilarious things Google thinks you're trying to search for