Mola-Mola Kaluga
With iron-fisted control and a near-silent backdrop, the Kaluga turns compact Class-D monoblocks into a formidable force for demanding loudspeakers. Its 400W output joins dynamic transparency, crystalline midrange detail and deep, tightly defined bass; SoundStage Solo and AUDIOKEY REVIEWS found its effortless control, low noise and musical precision especially compelling.
WATT RECOMMENDS
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Deliciously Crispy
Sound Quality
94/100
Build Quality
91/100
Value for Money
92/100
Pros
Exceptional transient speed, dynamic shading and composure from low to high listening levels.
Extremely quiet, transparent presentation with finely resolved detail and clear separation in dense mixes.
Commanding bass definition and loudspeaker control, including with difficult impedance loads.
Smooth, revealing treble and an open, crystalline midrange prevent its neutrality from feeling clinical.
Cons
Its highly neutral voicing may feel leaner or less characterful in the midrange than fuller-sounding alternatives.
Unforgiving transparency can expose the limitations of lower-resolution recordings and sources.
One review found ambience decay slightly subdued despite excellent image width, depth and focus.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 94/100
Reviewers consistently describe an exceptionally quiet, transparent and controlled presentation, combining finely resolved detail with serious current delivery. Its character is fundamentally neutral rather than overtly warm, but reports also praise its smoothness, tonal purity and ability to make recordings feel vivid and involving.
Transparency Resolution
96/100
Audiodrom heard "uber-resolution," superb cleanliness and a vacuum-black background, while SoundStage Solo called the Kaluga's neutrality as transparent as any it had heard. AUDIOKEY likewise praised crystalline, open midrange reproduction, smooth revealing treble, and sonic purity with real depth.
Tonal Balance Musicality
94/100
AUDIOKEY found the Kaluga more neutral than comparable tube designs, yet far from clinical: voices were described as goosebump-inducing, while its midrange was called intoxicating. Reviewers also note smooth treble and convincing bass texture, supporting an even-handed but musically expressive balance.
Dynamics
97/100
Dynamics are a major strength. AUDIOKEY considered the Kaluga exceptional in dynamics and shading, with skilful transitions from soft to loud at every volume, while SoundStage Solo was struck by its rendering of transient attacks and complex dense passages. Audiodrom also reports unflinching speaker control on demanding material, from punchy electronic music to large-scale orchestral climaxes.
Soundstage Imaging
91/100
Audiodrom reported excellent image width and depth, with images locked in place with surgical precision and authority. Other listening reports focus more on the amplifier's separation of complex musical lines and speaker control than on expansive spatial effects, but they support a stable, clearly organized presentation.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
91/100
The Kaluga is a compact Class-D monoblock with substantial output capability, balanced and unbalanced inputs, dual Furutech speaker terminals, and trigger integration. Its specified ability to deliver 400W into 8 ohms, 700W into 4 ohms, and 1200W into 2 ohms, alongside very low output impedance, aligns with reviewers' repeated reports of iron-fisted loudspeaker control.
Value for Money
92/100
At $17,200 per pair, the Kaluga is firmly positioned as a premium amplifier rather than an inexpensive route to high power. Even so, SoundStage Solo described it as one of the best-measuring and best-sounding amplifiers available at any price, while AUDIOKEY found that its power, refinement and efficiency distinguished it from similarly priced tube and Class A/B alternatives.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
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Specifications
- Performance
- 400W/8 ohm, 700W/4 ohm, 1200W/2 ohm Gain: 28dB Unweighted Signal/Noise Ratio: 128dB Distortion (THD, IMD): <0.003 % (all frequencies and power levels) Input Impedance: 100kohm Output Impedance: <0.003 ohm (DF>4000), all frequencies Bandwidth: >50kHz
- I/O
- Balanced and unbalanced input, selectable by switch 2 pairs of Furutech binding posts. Biwired directly to the amplifier PCB using Kubala-Sosna cable. Trigger input (3.5mm jack)
- Dimensions and Weight
- 200mm (W) x 110mm (H) x 335mm (D). Depth includes speaker terminals. 7kg
Manufacturer's Description — Mola-Mola
Class-D has never been so good. Come to think of it, neither has class-A...
Kaluga is based on world's most sought after class-D technology: Ncore'. Unprecedented low distortion, noise and output impedance combine into what scores of enthusiastic users unanimously describe as 'no sonic signature at all'. Just music, glorious music. For instance, the two supposedly unassailable strongholds of class-A amplifiers are linearity and output impedance, at high frequencies. Plotted on next page are the output impedance as a function of frequency and the output spectrum in a high power (400W), high frequency IMD test. In both cases Kaluga outperforms any power amplifier, regardless of technology, operating class or asking price, of which such test results are available.
The amplifier board is a Mola Mola specific design. The audio circuitry is trimmed to the bare bones and board-to-board connectors are eliminated in favour of soldering star-quad cables directly into the circuit board for the cleanest, lowest impedance connection possible. The input stage is implemented on a separate circuit board that uses the same discrete buffers as those found in the Makua. The output filter sports monolithic capacitors whose dielectric stability is reflected in an impressively neutral and poised rendition. The days of compromising power efficiency for audio performance are finally over: the Kaluga delivers definitive audio performance with power efficiency thrown in as a bonus.
Verified Dealers
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Authorized dealers for Mola-Mola Kaluga
- The Audio Association — in-store — Anaheim, California, United States (website)
- The Music Room — online and in-store — Erie, Colorado, United States (website)
- Ajasom — online and in-store — Amadora, Lisboa, Portugal (website)
- Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
- Analogue Seduction — online and in-store — Whittlesey, England, United Kingdom (website)
- Audio Gallery — online and in-store — Las Rozas de Madrid, Comunidad de Madrid, Spain (website)
- Audiotehnika — in-store — Centra rajons, Latvia (website)
- B&H Photo — online and in-store — New York, New York, United States (website)
- Choice Audio — online and in-store — White Bear Lake, Minnesota, United States (website)
- Doug Brady hifi — online and in-store — Warrington, England, United Kingdom (website)
and 29 more verified dealers