Markbass MB58R CMD Pure 121 1X12 300W

Historical Context and Positioning in the Range

With the MB58R series, Markbass continues its philosophy: achieving maximum performance in minimal size, without sacrificing feel or sound quality. The MB58R CMD 121 PURE follows the lineage of the brand's 1 x 12-inch combos but with a modernized approach: custom components, cabinet materials designed to reduce weight, and Italian manufacturing that is part of Markbass's DNA.

The "PURE" positioning emphasizes clear and direct reproduction, with hi-fi definition in the upper spectrum, while maintaining the fast and "punchy" response expected from a Markbass combo for rehearsals and live performance.

Who This Amp Is For

The Markbass MB58R CMD 121 PURE is aimed at bassists from beginner to pro level who are looking for a powerful and easy-to-transport bass combo for rehearsals, studio, club gigs, and performances with PA systems. In standalone mode, it easily covers moderate contexts (dynamic rehearsals, small stages, recording), and becomes a real powerhouse when adding an external speaker cabinet to enjoy maximum power.

Its "clean and clear" philosophy makes it very comfortable in funk, pop, jazz, gospel, fusion, modern rock, and any situation where you want to hear the attack, the accuracy of the low end, and the nuances of playing (fingers, pick, slap).

Features and Innovations

Designed to get straight to the point, this combo offers typical Markbass ergonomics: GAIN and MASTER VOLUME for quick level setting, plus a 4-band EQ to shape lows, mids, and highs according to the room and instrument. The OLD SCHOOL FILTER rounds off the high end and moves toward more "vintage" colors, while the MUTE SWITCH facilitates instrument changes or clean silences on stage.

The 3-position switch (flat / scooped-mid / FSW) offers three immediate voicings: a neutral mode to respect the bass, a mid scoop ideal for modern sounds and slap, and a mode controllable via FSW (optional footswitch) to change tone without letting go of the neck. The output section includes a LINE OUT level control and PRE/POST EQ and GND switches: practical for feeding a mixing console, adjusting levels, and reducing hum depending on stage configurations.

Sound

The MB58R CMD 121 PURE is a transistor bass amp with a fast and precise response: the low end remains tight, the attack is clear, and the overall sound stays very readable even when the mix is dense. The custom 12-inch neodymium speaker delivers reactive lows and articulated mids, while the hi-fi tweeter adds air and definition (particularly appreciated with an active bass, new strings, or styles requiring detail).

In clean mode, it provides a "studio-friendly" reproduction that highlights the instrument's character. Pushing the gain maintains a controlled compression and presence feeling, leaning more towards "modern punch" than tube-style saturation. To connect this combo to current aesthetics, it is referenced in the setups of artists and creators like Mary Spender, John Page, and Alexander Pushnoy, often associated with clear, defined, and effective sounds in live and recorded contexts.

Technical specifications

Category	Bass combo	Number of speakers	1
Technology	Solid state	EQ	4 channels
Cabinet impedance (Ω)	8 Ω	Color	Black
Category	Amplifier	Finishing	Black tolex
Speaker diameter	12"	Power output	500 W

Output power	500W RMS @ 4 ohm, 300W RMS @ 8 ohm	Crossover frequency	3.5 kHz
Speaker	1 x 12-inch Custom Neodymium	Frequency response	45Hz to 20kHz
Tweeter	Markbass hi-fi tweeter	SPL sensitivity (DP)	99dB
Speaker power handling	400W RMS (AES Standard)	Controls	GAIN | 4-BAND EQ | OLD SCHOOL FILTER | MUTE SWITCH | MASTER VOLUME | LINE OUT level control | PRE/POST EQ and GND switches | 3-WAY SWITCH: flat/scooped-mid/FSW
Reflex	rear ported	Dimensions	45cm (W) x 57.6cm (H) x 47.1cm (D)
Impedance	8 ohms	Weight	12.58 kg