Blackstar ST JAMES CAB 4X12"CLOSED BACK STRAIGHT
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Information
Information
Manufacturer Information
Blackstar
https://www.blackstaramps.com
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Safety manager:
Hol Music Dral SLU
Email: info@holmusic.es
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Historical Context and Positioning in the Range
With the St. James series, Blackstar aimed to address a musician's reality: achieving professional performance levels while minimizing logistical constraints. The St. James 412 fits this philosophy by complementing the St. James ecosystem (heads and modern solutions) with a 4x12 cabinet designed for guitarists who want the "wall of sound" of a large speaker cabinet but with much easier daily handling.
Who This Amp Is For
The Blackstar St. James 412 targets the intermediate to professional guitarist who plays rehearsals and especially live concerts, needing a cabinet capable of filling a room with a true "stack" feel. It is particularly suited for styles where punch and projection matter: modern rock, hard rock, metal, punk, alternative, but remains perfectly relevant for clean and edge-of-breakup tones if you're looking for a wide, stable, and very clear clean sound. In the studio, it's also an excellent choice whenever you want to mic a closed 4x12 with a solid and consistent foundation.
Features and Innovations
The St. James 412 focuses on the "pro" essentials: a mono or stereo configuration to adapt to classic heads, wet/dry rigs, multi-effects, or amplified modeling solutions. The core of the concept lies in its Celestion G12Z-70 Zephyr speakers developed specifically for Blackstar, allowing a significantly lighter 4x12 cabinet while maintaining a familiar feel under the fingers. Finally, its closed design enhances low-end precision, high-volume handling, and palm-mute impact, while improving directivity and stage projection.
Sound
As a closed 4x12 cabinet, the St. James 412 delivers a dense, direct, and very "live" sound: tight lows, present low-mids, and a sharp attack that highlights riffs and rhythms. The Zephyr speakers were designed to stay within a modern rock speaker aesthetic, with a response that maintains clarity when pushing gain, while offering the power and projection typical of a large cabinet. The result: a solid base for overdrive (from crunch to high gain), good chord definition, and a cleaner, wider, and more stable clean tone than smaller formats, especially at stage volume.
Technical specifications
| Category | Guitar cabinet |
| Speaker diameter | 12" |
| Number of speakers | 4 |
| Color | Black |
| Finishing | Black tolex |
| Power output | 280 W |
| Power handling | 280 watts |
| Configuration | 4x12 |
| Speakers | 4x 12" Celestion G12Z-70 Zephyr |
| Modes | Mono or stereo |
| Mono impedance | 16 Ohms or 4 Ohms |
| Stereo impedance | 2x 8 Ohms |
| Cabinet type | closed |
Questions frequently asked
Which amp head can power this 4x12 cabinet?
In mono, the speaker accepts an impedance of 16 ohms or 4 ohms, for a total power of 280 W. The amp head's speaker output must be set to the corresponding impedance.
Can the Blackstar St James 4x12 operate in stereo?
The stereo configuration delivers two sections at 8 ohms. It allows the use of two amplification channels or a compatible wet/dry rig.
What sound does a closed cabinet with Celestion Zephyr G12Z-70 speakers deliver?
The four 12-inch Celestion G12Z-70 Zephyr speakers are specifically designed for Blackstar. The closed design promotes tight bass and a crisp attack, particularly suited for overdriven riffs and palm mutes. The response maintains clarity as gain increases.
Is this cabinet suitable for rock and metal on stage?
With its 280 W and closed 4x12 configuration, this model suits rehearsal and live settings requiring projection. Modern rock, hard rock, metal, punk, and alternative styles benefit from present low mids and clear chord definition.
What is the finish of this Blackstar speaker cabinet?
The cabinet is offered in black with a black tolex finish.
