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Markbass MB58R 122 Energy - 8
Warranty from the manufacturer: 12 months.
Description of Markbass MB58R 122 Energy - 8
When you start looking for a bass cab that’s light, loud and still honestly conveys the character of your instrument in any situation, the Markbass MB58R 122 Energy - 8 lands right in the sweet spot as a very well-balanced solution for live gigs and rehearsals.
You’re looking at a lightweight yet rugged cab with two twelve‑inch speakers and a high‑frequency driver, designed not only for the stage but also for studio work, rehearsal rooms and home setups. It’s one of those cases where you don’t have to choose between weight and sound. The whole MB58R range is built around the idea of minimum weight and maximum output, and you feel that straight away: easy to carry, simple to place, rewarding to listen to.
Even if you’re just putting together your first rig and aren’t yet sure what kind of cab you need, this model gives you a clear starting point. The sound is transparent but not sterile. The low end is well defined, the attack is clear, the mids don’t disappear, and the top end can be dialled in as needed. At rehearsal you finally stop fighting boom and muddy lows. On stage you no longer have to crank every control just to cut through drums and guitars.
Why choose this model?
- Exceptionally low weight for a 2x12 cab thanks to the brand’s proprietary composite cabinet materials
- Plenty of volume and punch from two 12" speakers and a carefully tuned bass reflex design
- Recognisable Markbass tone with a focus on natural character and clarity of bass lines
- Tour- and rehearsal-friendly: compact enclosure, reinforced corners, reliable side handles
- Flexible in use: one cab that works for small clubs and large stages alike when paired with a powerful amp
Model overview
The whole design logic here follows a simple principle: maximum performance with minimum weight and sensible dimensions. The cab uses a light yet rigid enclosure made from modern materials, so it’s noticeably lighter than traditional ply boxes of the same size. At the same time it doesn’t rattle or fall apart at higher volumes. Vibrations are controlled, the cabinet doesn’t add unwanted “woody” boom, it simply supports the bass and adds a touch of liveliness.
The Markbass MB58R 122 Energy - 8 uses a modern approach to cabinet design and components to give bass players a combination of light weight, power and predictable tone in any situation.
The two twelve‑inch speakers deliver a wide and confident bass range. This format offers a more flexible, all‑round character compared to 1x15 or 4x10 setups. You get solid lows, intelligible mids and a fast enough response to play slap, fingerstyle or with a pick in comfort. The power handling is designed so the cab can easily cope with loud rehearsals, club gigs and modern amps without the risk of “choking” the speakers.
The high‑frequency driver adds air and detail without turning the sound into a cold, glassy top end. There’s a tweeter level control on the rear panel. You can brighten things up for slap and modern funk, or tame the highs a little if you prefer a softer, more vintage flavour without excessive string noise. This is especially handy if you often switch between genres or even between different basses.
Another strong point is how this cab sits in a band mix. It doesn’t intrude on the guitars’ frequencies, yet it doesn’t disappear behind them either. The bass sits in the mix exactly where it should: solid foundation, strong mids and a clearly defined attack. For a sound engineer it’s a pleasure to work with, because the cab is predictable and its response to EQ is straightforward. If you’re running mic and DI at the same time, it’s easy to blend in some “air” and character from the mic without worrying about odd resonances.
A very practical aspect for anyone who schleps their own gear: weight and handling. This is where the design really shines. Thanks to the light enclosure and well‑placed handles, this is one of those cabs you can genuinely carry in one hand while the other hand holds your bass or pedalboard. Getting to the rehearsal space doesn’t feel like moving furniture. For touring it’s a real gift: fewer kilos on your back, less risk on stairs and in lifts, easier loading into a car or van.
At the same time, the cab doesn’t look like a toy. It has a clean, modern design, reinforced corners and a grille that actually protects the speakers from accidental knocks. If you often play in cramped clubs, you’ll appreciate that the cabinet doesn’t mind the odd clash with drum hardware or other equipment. The covering materials are chosen to survive more than just a couple of gigs and keep looking presentable for a good while.
The whole Energy series was conceived as a working tool rather than a collector’s item. So there are no oddball design solutions that get in the way of practical use. Connectivity is standard, the sockets are reliable, nothing unnecessary. The result is an honest, no‑nonsense piece of kit for those who just want to show up, plug in and get a solid, consistent sound, instead of dealing with a maze of switches on the back panel.
Who is this model for?
In reality this model will find its place with both bassists who are just starting to play live and seasoned session players: the Markbass MB58R 122 Energy - 8 easily covers home playing, rehearsal rooms, clubs and even larger stages when matched with a suitable amp.
If you’re a beginner or largely self‑taught, the value here is that you don’t have to “grow into” the cab. The tone is already full‑scale and professional, without feeling like a cheap compromise. You can calmly develop your technique, hear nuances of attack and dynamics, and understand how your bass sits in the mix. There’s no need to get into complicated electronics: power it up, set the volume, tweak the tweeter if needed, and play.
For home jam sessions and small rehearsals with friends, it’s also a great option. It doesn’t take up half the room, yet still gives you that real “moving air” feel instead of a toy‑like practice combo. You can stand it vertically, push it towards a wall, use it as a floor monitor and keep the amp head on a separate shelf. This placement flexibility helps it fit both into a compact studio and a small home gear corner.
This kind of setup lets you focus on playing rather than fighting the gear, and gives you confidence that your bass will sound consistent and comfortable both for you and for the musicians around you.
Professional players and session musicians will appreciate the mix of light weight and reliability. Taking this cab to gigs is far easier than hauling a traditional heavy “tower”, while in terms of sound it’s more than capable of handling demanding work. If you cover a wide range of styles — from pop and fusion to heavier rock — the speakers and tweeter let you change character quickly simply by adjusting the amp settings and top‑end level.
For sound engineers and producers, this cab is a useful, stable and predictable source both on stage and in the studio. If a bassist turns up with their own head and this cab, you already have a good idea of the frequency areas where it will sit comfortably, where a touch of correction might be needed and where you can leave the EQ almost flat. That saves time on soundcheck and reduces the chances of volume wars and unwanted mud in the mix.
Composers and arrangers who record demos at home will also benefit from a cab like this. The feel of real sound in the room helps you better understand how a part will behave in a live context, not just through headphones. You can record DI while monitoring yourself through the cab, shaping a natural playing feel and dynamics that are already closer to the final live sound.
Specifications of Markbass MB58R 122 Energy - 8
- Type: bass cabinet
- Speaker configuration: 2 x 12" neodymium speaker
- High‑frequency driver: 1" tweeter with level control
- Power (RMS): 800 W
- Impedance: 8 Ohm
- Frequency range: approximately 40 Hz – 20 kHz
- Cabinet construction: lightweight composite with bass reflex port
- Connectors: 2 x Speakon
- Approximate sound pressure level: around 103 dB SPL
- Dimensions (W x H x D): approximately 60 x 59 x 47 cm
- Approximate weight: around 15 kg
- Additional features: reinforced corners, metal protective grille, side carry handles
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