The short answer is yes, a 2×12 cabinet is generally louder than a 1×12 cabinet. This is because it has more speakers, which means that it can move more air. However, there are a few other factors that can affect the overall volume of a cabinet, such as the type of speakers used, the cabinet construction, and the power of the amplifier.
Speaker size
In addition to the number of speakers, the size of the speakers can also affect the volume of a cabinet. 12-inch speakers produce more low-end bass than 10-inch speakers. This means that a 2×12 cabinet with 12-inch speakers will typically be louder than a 2×12 cabinet with 10-inch speakers.
Cabinet construction
The construction of the cabinet can also affect the volume. Ported cabinets tend to be louder than sealed cabinets. This is because the port allows the cabinet to release air more efficiently.
Amplifier power
Finally, the power of the amplifier can also affect the volume of the cabinet. If you are using a high-powered amplifier, you will need a cabinet that can handle the power. Otherwise, the cabinet may distort.
So, is a 2×12 cabinet always louder than a 1×12 cabinet? Not necessarily. It depends on the other factors mentioned above, such as the type of speakers used, the cabinet construction, and the power of the amplifier.
If you are looking for the loudest possible cabinet, a 2×12 cabinet with 12-inch speakers and a ported design is a good option. However, if you are on a budget or if you need a more portable cabinet, a 1×12 cabinet may be a better choice.
Ultimately, the best way to decide which type of cabinet is right for you is to try out both and see which one you prefer.