BOSS KTN-CAB212 Guitar Amplifier Cabinet Owner’s Manual
Connecting to the Amplifier
Connect the SPEAKER OUT jack of the amp to the INPUT jack on the back on this cabinet.
- Only use speaker cable to connect the speaker. Do not use any shielded cable designed for use with guitars.
- To prevent malfunction and equipment failure, always turn down the volume, and turn off all the units before making any connections.
Converting the Cabinet to an Open Back
When the unit is shipped from the factory, the cabinet has a closed back. By removing the board from the middle of the back, you can convert the cabinet to an open back.
Loosen eight screws and remove the board.
Rear side of the unit
- Do not remove anything other than the middle board.
Using the Unit in a Vertical Orientation
f you want to use the cabinet in a vertical orientation, use screws to securely fasten the included rubber feet as shown in the illustration.
Position for attaching the rubber feet
- Even if you observe the cautions given in the owner’s manual, some types of handling might cause the head amp to fall off the cabinet or the cabinet to overturn. Please check for safety before use.
Main Specifications
 | KATANA Cabinet 212 | KATANA Cabinet 212 |
| KATANA Cabinet 212 | 150 W | 160 W |
| Speakers | 30 cm (12 inches) x 2 | |
| Nominal Impedance | 8 Ω | 16 Ω |
| Connectors | INPUT jack: 1/4-inch phone type | |
| Dimensions | 670 (W) x 300 (D) x 505 (H) mm 26-7/16 (W) x 11-13/16 (D) x 19-15/16 (H) inches | |
| Weight | 22 kg 48 lbs 9 oz | 24 kg 52 lbs 14 oz |
| Accessories | Owner’s Manual, Rubber foot x 4, Screw x 4 | |
- This document explains the specifications of the product at the time that the document was issued. For the latest information, refer to the Roland website.
USING THE UNIT SAFELY
INSTRUCTION FOR THE PREVENTION OF FIRE , ELECTRIC SHOCK, OR INJURY TO PERSONS
About 
WARNING and CAUTION Notices
| WARNING | Used for instructions intended to alert the user to the risk of death or severe injury should the unit be used improperly |
| CAUTION | Used for instructions intended to alert the user to the risk of injury or material damage should the unit be used improperly. * Material damage refers to damage or other adverse eects caused with respect to the home and all its furnishings, as well to domestic animals or pets. |
About the Symbols
| The  symbol alerts the user to important instructions or warnings.The speci‑c meaning of the symbol is determined by the design contained within the triangle. In the case of the symbol at left, it is used for general cautions, warnings, or alerts to danger. |
 | The  symbol alerts the user to items that must never be carried out (are forbidden). The speci‑c thing that must not be done is indicated by the design contained within the circle. In the case of the symbol at left, it means that the unit must never be disassembled. |
 | The  symbol alerts the user to things that must be carried out. The speci‑c thing that must be done is indicated by the design contained within the circle. In the case of the symbol at left, it means that the power-cord plug must be unplugged from the outlet. |
ALWAYS OBSERVE THE FOLLOWING
WARNING
Do not disassemble or modify by yourself
Do not carry out anything unless you are instructed todo so in the owner’s manual. Otherwise, you risk causing malfunction.
Do not repair or replace parts by yourself
Be sure to contact your dealer, a Roland service center, or an official Roland dealer.
For a list of Roland service centers and official Roland dealers, refer to the Roland website.
Do not use or store in the following types of locations
- Subject to temperature extremes (e.g., direct sunlight in an enclosed vehicle, near a heating duct, on top of heat generating equipment); or are
- Damp (e.g., baths, washrooms, on wet floors); or are
- Exposed to steam or smoke; or are
- Subject to salt exposure; or are
- Exposed to rain; or are
- Dusty or sandy; or are
- Subject to high levels of vibration and shakiness; or are
- Placed in a poorly ventilated location.
Do not place in an unstable location
Otherwise, you risk injury as the result of the unit toppling over or dropping down.
WARNING
Avoid extended use at high volume
Use of the unit at high volume for extended periods of time may cause hearing loss. If you ever experience any hearing loss or ringing in the ears, you should immediately stop using the unit and consult a specialized physician.
Do not allow foreign objects or liquids to enter unit; never place containers with liquid on unit
Do not place containers containing liquid (e.g., flower vases) on this product. Never allow foreign objects (e.g., flammable objects, coins, wires) or liquids (e.g., water or juice) to enter this product. Doing so may cause short circuits, faulty operation, or other malfunctions.
Be cautious to protect children from injury
Always make sure that indult is on hand to provide supervision and guidance when using the unit in places where children are present, or when a child will be using the unit.
Do not drop or subject to strong impact
Otherwise, you risk causing damage or malfunction.
CAUTION
Avoid climbing on top of the unit, or placing heavy objects on it
Otherwise, you risk injury as the result of the unit toppling over or dropping down.
Cautions when moving this unit
If you need to move the instrument, make sure to disconnect all the cords coming from the external devices. At least two persons are required to safely lift and move the unit. It should be handled carefully, all the while keeping it level. Make sure to have a firm grip, to protect yourself from injury and the instrument from damage.
Keep small items out of the reach of children
To prevent accidental ingestion of the parts listed below, always keep them out of the reach of small children.
- Included Parts Rubber feet, screws
- Removable Parts Screws
IMPORTANT NOTES
Placement
- Do not allow lighting devices that normally are used while their light source is very close to the unit (such as a piano light), or powerful spotlights to shine upon the same area of the unit for extended periods of time. Excessive heat can deform or discolor the unit.
- Do not paste stickers, decals, or the like to this instrument. Peeling such matter off the instrument may damage the exterior finish.
- Depending on the material and temperature of the surface on which you place the unit, its rubber feet may discolor or mar the surface.
- Do not place containers or anything else containing liquid on top of this unit. Also, whenever any liquid has been spilled on the surface of this unit, be sure to promptly wipe it away using a soft, dry cloth.
Maintenance
- Never use benzine, thinners, alcohol or solvents of any kind, to avoid the possibility of discoloration and/or deformation.
Additional Precautions
- When disconnecting all cables, grasp the connector itself—never pull on the cable. This way you will avoid causing shorts, or damage to the cable’s internal elements.
- When disposing of the packing carton or cushioning material in which this unit was packed, you must observe the waste disposal regulations that apply to your locality.
Intellectual Property Right
- Roland and BOSS are either registered trademarks or trademarks of Roland Corporation in the United States and/or other countries.
- Company names and product names appearing in this document are registered trademarks or trademarks of their respective owners.
