Gr Bass At 212 SLIM-4 BLK
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Information
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Manufacturer Information
Gr Bass
https://www.grbass.com
info@grbass.com
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IMS Distribution
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Historical Context and Positioning Within the Range
This cabinet takes a decidedly modern approach: lightweight materials, high-efficiency speakers, and broadened dispersion thanks to the tweeter. The choice of carbon fiber aims for a very rigid enclosure designed to limit unwanted vibrations and maintain clean lows even at high volumes. Within a product range, this type of configuration is generally positioned as a "performance/portability" solution for musicians seeking high volume without bulk.Who This Amp Is For
This cabinet is intended for bassists (and more broadly musicians using full-range amplification) who need projection, power handling, and clarity. It suits both demanding intermediate players and professionals: intense rehearsals, club gigs, stages with clean monitors, and recording whenever a defined sound that sits well in the mix is desired. Its bass reflex tuning and extended response favor modern styles (rock, metal, funk, pop, gospel, fusion), while remaining relevant for rounder tones if the tweeter is dialed down.Features and Innovations
The 2x12-inch neodymium woofers ensure an excellent weight-to-efficiency ratio, while the 1-inch tweeter provides attack and harmonics (slap, pick, fingerstyle, percussive playing). Key point: the tweeter level is adjustable via a 4-position selector, convenient for switching from a very present high end (modern playing, new strings, effects) to a softer, vintage sound. The rear-ported bass reflex design reinforces the low-end foundation and helps fill the space, especially useful when the cabinet is placed near a wall or at the back of a stage.Sound Characteristics
With a 103 dB sensitivity, this cabinet is designed to "speak" quickly: it delivers a lot of perceived volume for the same amplifier power, resulting in a sense of responsiveness and punch. The very rigid carbon fiber promotes a more tight low end and better note clarity, especially on chords, fast lines, and low registers. The 12-inch speakers offer an interesting balance between depth and articulation: more body than a 2x10, often faster and more defined than a 1x15, with a solid low-mid range to hold its place well in a band. The tweeter, adjustable in 4 positions, allows you to calibrate brightness: discreet for a round, "old school" sound, more open to highlight attack, harmonics, and effects. The frequency response from 35 Hz to 22 kHz underlines this wideband orientation, ideal for modern tones and pedals that enrich the spectrum.Technical specifications
| Category | Bass cabinet | Color | Black |
| Cabinet impedance (Ω) | 4 Ω | Finishing | Black tolex |
| Speaker diameter | 12" | Power output | 700 W |
| Number of speakers | 2 | ||
| Finish | black | Sensitivity | 103 dB |
| Tweeter level adjustment | 4 positions | Dimensions (W x D x H) | 74 x 38 x 35 cm |
| Impedance | 4 ohms | Weight | 12.9 kg |
| Frequency response | 35 Hz to 22 kHz | ||
Questions frequently asked
Which amplifier head should be used with the Gr Bass At 212 SLIM-4 BLK?
The 4 Ω impedance requires the use of an amplifier head compatible with a 4-ohm load. The cabinet supports a rated power of 700 W.
What is the weight of the 2x12 Gr Bass cabinet?
Weighing 12.9 kg, this 2x12 cabinet favors a lightweight format for easy transport. Its dimensions are 74 x 38 x 35 cm.
Is the tweeter adjustable?
A 4-position selector allows adjustment of the 1-inch tweeter level. Its brightness can thus be reduced or enhanced according to the desired attack.
What frequency response does this bass cabinet offer?
The specified frequency response ranges from 35 Hz to 22 kHz. The two 12-inch neodymium speakers are complemented by a tweeter to cover the high harmonics.
Does the cabinet project enough for rehearsals and concerts?
With a sensitivity of 103 dB and a rated power of 700 W, this model is designed to deliver a significant sound level. The rear-ported bass reflex design reinforces the low-end presence, especially near a wall.



