A Sela cajon needs very little care: keep it dry and away from heat, wipe it after playing, and check the front-plate screws and snare tension every few months. Most buzzes and rattles come from a loose screw or a snare set too tight, and both take minutes to fix.
This guide covers everyday care, storage, travel and the most common sound problems on Sela Primera, Varios and CaSela cajons.
Everyday care
- Wipe the playing surface with a dry microfibre cloth after each session to remove skin oil.
- Clean hardware such as rubber feet and the snare switch with a barely damp cloth; never spray cleaner directly on the wood.
- Do not use furniture polish or oils on the front plate; they can change the sound and feel.
- Sit on the cajon squarely. Rocking onto the back edge loads the joints and corners.
Humidity and temperature
Birch plywood is stable, but big swings in humidity still affect the front plate and glue joints. Aim for a room between roughly 40% and 60% relative humidity. In humid climates, keep the cajon off damp floors and out of bathrooms and basements. In dry winters, keep it away from radiators and heaters.
After moving between a cold car and a warm room, let the cajon sit for 30 minutes before playing hard. Temperature changes can also slightly alter snare tension, so recheck it before a gig.
Storage when you are not playing
- Store it upright or on its back in a padded bag.
- Keep it off concrete floors and out of direct sun.
- Loosen the snare tension slightly if storing for several months.
Travel and transport
A padded gig bag with backpack straps is the single best accessory if your cajon leaves home: padded cajon bags. Pack the cajon with the playing surface facing your back, and do not stack heavy cases on top. For flights, a hard case or a well-padded bag checked as fragile is safer than standard luggage.
Fixing buzz and rattle
- Tighten the front-plate screws gently and evenly with the correct screwdriver. A single loose screw is the most common cause of rattle.
- Check the snare unit. Loose snare wires or a misaligned unit cause unwanted buzz on bass strokes. Adjust tension or reseat the unit.
- Look for loose items. Rubber feet, stickers or a stray screw inside the box can buzz.
- Test on a different floor. Sometimes the buzz comes from the floor or a nearby object, not the cajon.
Snare wires disengaging mid-performance
On CaSela models with a switch, a partly engaged lever can slip. Make sure it clicks fully into position. On Primera and Varios, a snare unit that is not seated firmly can move after heavy playing; refit it and check the adjustment screws.
Identifying tuning and tension issues
Cajons are not tuned to notes, but the snare response can be set. Too tight and the snare sounds choked and thin; too loose and the bass turns muddy and buzzy. Adjust in small steps, playing a bass stroke and a slap after each change.
Weak or damaged corners
Clap corners are designed to be loose, which is where the slap sound comes from. If a corner sounds dead or cracked, check that the screws near it are not over- or under-tightened. A cracked front plate is best replaced: Sela sells replacement playing surfaces for its models.
How Sela cajons age
A well-kept birch cajon often sounds slightly warmer after the first months of playing as the front plate settles. A sudden loss of bass or a new rattle is a sign to check screws and the snare unit rather than a sign of ageing.




[…] poorly, adjust the snare tension or, on CaSela models, check the switch is fully engaged. See our Sela care and troubleshooting guide for adjustment […]