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The 2x12 speaker configuration has long been considered as one of the absolute best designs in the entire bass cabinet world. Twelve-inch speakers naturally occupy a sonic sweet spot. They are incredibly fast and physically responsive, completely avoiding the sluggish, woofy, and muddy low-end buildup that often plagues 15-inch drivers. Simultaneously, they deliver a significantly fuller, much flatter, and more authoritative fundamental than 10-inch speakers. This inherent tonal balance makes a great 2x12 an incredibly versatile tool for almost any genre.
The challenge with a typical 2x12 cabinet, however, is that they are typically and awkward to transport. The brilliant engineers at GR Bass completely solved this problem with the creation of the AT 212 Slim. This is their uncompromising take on the ultimate modern bass cabinet, bringing an absolutely staggering feature to the table: it only weighs a few ounces over 25 lbs. This level of portability is virtually unheard of for any dual 12-inch enclosure, especially one fully capable of handling 900 watts of power.
The secret to this seemingly impossible weight-to-power ratio lies in their cutting-edge construction. GR Bass manufactures an incredibly rigid enclosure entirely out of carbon fiber. This eliminates the need for the heavy plywood used in traditional cabs, while providing incredible levels of enclosure rigidity. When this ultra-stiff carbon shell is paired with their custom-designed neodymium speakers, you get a cabinet that is effortless to transport but lets you be heard no matter how big the stage.
Tonally, the AT 212 Slim is designed to be an honest, high-fidelity speaker. It does not impart a heavily baked-in character to your sound. Instead, its primary intention is to act as a magnifying glass for your rig. It simply takes your carefully crafted core tone, makes it as loud as you’ll ever need it to be, and provides that final layer of polish your tone needs.
If you are looking for a 2x12 that is remarkably compact, impossibly lightweight, and can easily handle the output of your favorite high-powered amp, take a look at the GR Bass AT 212 Slim.
From GR Bass:
The GR Bass AT 212 Slim+ is an engineering feat of a bass cab. It is ultra-lightweight, capable of handling huge amounts of power, and it looks great while sounding amazing. This cabinet represents the cutting edge of bass cabinet design, utilizing advanced materials and construction techniques to achieve what was previously thought impossible.
The ethos behind the AT 212 Slim+ cab is to give you the most faithful representation of your bass tone, so you know that exactly what you put in is exactly what you get out. If you want to really listen to the natural tone of your bass with minimal coloration from the cabinet, this is a great option. The carbon fiber construction isn't just about weight savings—it also provides exceptional rigidity and damping characteristics that eliminate unwanted resonances.
It's also one of the very few 2x12 cabinets that you can carry with one hand, weighing in at an incredible 22 pounds. This makes it perfect for the working bassist who needs professional performance without the back-breaking weight of traditional cabinets. The lightweight design doesn't compromise on power handling either—this cabinet can handle serious wattage while maintaining clarity and definition.
The speaker configuration features high-efficiency drivers specifically chosen for their linear response and dynamic range. These aren't just lightweight speakers thrown into a carbon fiber box—they're carefully selected components that work together to create a cohesive, musical sound that provides an honest representation of your bass tone.
If getting a super accurate representation of your bass tone, along with being able to do one trip from your car to the venue, is important to you, then this is a great option. The cabinet's neutral response makes it ideal for players who rely on their bass's natural tone or use sophisticated preamps and effects that they want to hear accurately reproduced.
The build quality is exceptional, with attention to detail that reflects GR Bass's commitment to professional-grade equipment. The carbon fiber finish is not only functional but also looks very cool.
Description from GR Bass
The lightest 2×12 bass cabinets in the world!
The AT 212 Slim+ is certainly the perfect cabinet for all big stages. Warm but always defined sound and the right punch to cut your sound through the mix. Its shape makes it very easy to carry despite being a 2×12 cabinet.
With the AeroTech line, you can have the incredible innovation of GR Bass’s Carbon Fiber cabinets combined with the Pure Sound of GR, which is the pure sound of your instrument.
Incredible sound, lightweight, power, impact resistance, and a beautiful modern design.
Size:
15.35" [39cm] Wide
13.98" [35.5cm] Deep
30.12" [76.5cm] High
Weight: 25,6 Lbs [11.6 Kg]
Power: 900W RMS (AES Standard)
Bass Reflex: On Rear
Frequency Response: 35 Hz to 22 kHz
Sensitivity: 103 dB SPL
Speaker: 2 x 12" custom Jensen/Sica woofer
Impedance: 4 Ohm
Tweeter: Horn Driver 1". ON/OFF and 3 positions switch