Blackstar HTV-412a MKIII
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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
The closed-back 4x12 format has remained a reference for decades to achieve tight lows, carrying mids, and effective directional projection on stage. The HTV-412 A MK III Cabinet follows this tradition with an approach focused on robustness and efficiency, designed to complement a guitar amp head in a stack configuration, and to deliver a solid response when volume and impact become priorities.
Who This Amp Is For
This speaker cabinet is aimed at guitarists who play in bands and need a 4x12 cabinet capable of filling the space: intense rehearsals, studios seeking a "large format" recording, and especially the stage, where power reserve and projection make the difference. It is particularly suitable for styles that demand presence and punch (rock, hard rock, metal, punk), but remains relevant for powerful clean tones when headroom on the cabinet side and firm bass reproduction are sought.
Features and Innovations
The HTV-412 A MK III is a 4x12 guitar cabinet designed to integrate easily into various rigs. Its impedance configuration allows adaptation to many amp heads: mono at 4 or 16 ohms for classic use, or stereo at 2 x 8 ohms to exploit stereo effects, two amps, or a wet/dry system. The closed-back design enhances low-end performance and promotes a tighter feel under the fingers, useful for precise rhythms and articulated distortion.
Sound
With its Celestion speakers and closed enclosure, this 4x12 targets a stage-typical sonic signature: more controlled and punchy lows, mids that stand out in a dense mix, and a high end that retains definition without becoming muddy when pushing gain. In clean tones, the cabinet emphasizes a solid foundation and a "wide" sound; in crunch, it highlights pick attack and texture; in distortion, it maintains good clarity of palm mutes and chords, with the natural compression expected from a 4x12 played at volume.
Technical specifications
| Category | Guitar cabinet | Color | Black |
| Speaker diameter | 12" | Finishing | Black tolex |
| Number of speakers | 4 | Power output | 320 W |
| Format | 4x12 guitar cabinet | Mono mode | 4 ohms or 16 ohms |
| Power Handling | 320 W | Stereo mode | 2 x 8 ohms |
| Speakers | Celestion | Enclosure Type | closed back |
| Diameter | 4 x 12 inches | Build | robust |
Questions frequently asked
What impedance should be chosen with the Blackstar HTV-412a MKIII?
The mono wiring offers 4 or 16 ohms to match the output intended by the amp head. In stereo, two 8-ohm inputs are available.
Can the HTV-412 A MK III operate in stereo?
The stereo configuration delivers 2 x 8 ohms. It allows the use of two amps or a stereo effects system.
What power handling does this 4x12 cabinet support?
The rated power is 320 W. This capacity is suitable for stage setups and rehearsals at elevated volumes.
What sound does the closed back of this cabinet produce?
The closed back enhances bass response and provides a tighter response. Palm mutes and saturated rhythms gain clarity, while the mids remain present in a dense mix. The four 12-inch Celestion speakers contribute to this stage-oriented projection.
What speakers are fitted in this Blackstar cabinet?
Four 12-inch Celestion speakers equip this cabinet, for a total 4 x 12-inch configuration.



