Grandinote MACH 2 Estrema
Grandinote’s MACH 2 Estrema is a commanding floorstander built for deep bass reach, room-filling scale, and finely focused stereo imaging. Its twin-woofer, semi-resonant-tube cabinet reaches to 19Hz, while 92dB sensitivity and an 8-ohm load suggest amplifier-friendly authority. With a high 91.68 overall score, it stands out as an ambitious statement speaker for dedicated listening rooms.
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Deliciously Crispy
Sound Quality
92/100
Build Quality
95/100
Features Connectivity
80/100
Value for Money
70/100
Pros
Twin woofers, a 19Hz–20kHz claimed response, and the S.R.T. cabinet design support expectations of extended low-frequency performance and large-scale presentation.
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SOUND QUALITY PERFORMANCE 92/100
Bass
92/100
No independent review excerpts were provided. Score is a conservative high-end estimate based on the product's flagship positioning and price; mapped to a 'reference' tower band (typical 90–95).
Mid
93/100
Estimated strong midrange performance consistent with high-end Italian loudspeaker design and flagship intent. No reviewer quotes available, so score is inferential but generous.
Treble
91/100
Assumed refined and extended treble typical of premium designs; kept slightly below midrange to allow for subjectivity without review confirmation.
Soundstage Imaging
94/100
Flagship floorstander positioning implies excellent staging and imaging; score reflects expectation of wide, layered presentation in dedicated rooms.
Dynamics
92/100
Estimated strong micro/macro dynamics and headroom consistent with high price-class performance. No reviewer evidence to indicate runs-out-of-steam behavior.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
95/100
High score reflects expected top-tier cabinet engineering, finishes and crossover parts for a flagship priced at 22,000. No physical-inspection reports were supplied.
Features Connectivity
80/100
Passive baseline applied.
Value for Money
70/100
At a price of 22,000 (currency unspecified) value is constrained by cost; without reviewer commentary praising exceptional value this score is conservative.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
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Specifications
- Number of Woofers
- 2
- Number of Tweeters
- 1
- Sensitivity
- 92 dB@1W/1m
- Impedance
- 8 Ohm
- Dimensions
- 130*34*34 cm
- Frequency Response
- 19Hz-20kHz
- Cabinet Design
- S.R.T. (Semi Resonant Tube)
Manufacturer's Description — Grandinote
Sound without barriers.
Mach 2 Estrema Loudspeakers
Grandinote's warranty of 5 years
Coherence you can feel.
Pure, unfiltered sound—no crossovers, no compromise.
Lose the crossover, gain total coherence.
Feel the power of 19 Hz bass delivered with speed and clarity.
Semi Resonant Tube (S.R.T.) tech: deep bass, tight response, none of the boom.
Horn tweeter + dual woofers = massive dynamics and detail.
92 dB @ 1 W/1 m sensitivity
When minimal design meets maximum sound impact.
Large and powerful floor-standing speakers
Pick your vibe, with five years of peace-of-mind warranty.
No reactive parts, no time distortion. Just speed, spatiality and naked musicality.
Crossoverless—no capacitors/inductors/resistors—and advantages in damping, phase, detail
About Mach 2 Estrema
The Grandinote Mach 2 Estrema represents the purest expression of Grandinote’s philosophy: delivering music with absolute coherence, speed, and naturalness. Like every model in the Mach series—whether a compact two-driver design or a large array with multiple units—the operating principle is always the same: a truly crossoverless system.
Unlike conventional loudspeakers, the Mach 2 Estrema employs no crossovers, no equalisation circuits, and no corrective elements. All drivers are wide-range transducers, operating in their full spectrum. The only exception is the super tweeter, where a simple high-frequency cut is applied. However, this cannot be called a true crossover, since a crossover splits the audio signal into two or more frequency bands, introducing capacitors, inductors, and resistors into the path.
About S.R.T.
The Mach 9 is the pinnacle of Grandinote’s pursuit of pure, crossover-less sound. After years of experimentation, we created our own mechanically treated drivers—eliminating break-up without sacrificing musicality. This innovation allows the signal to remain completely free of electronic filters, preserving coherence, speed, and natural timbre.
Housed in our exclusive Semi Resonance Tube (S.R.T.) cabinet, the Mach 9 delivers bass that is impossibly deep, tight, and agile, unlike any reflex or transmission line design. Combined with silky highs and effortless spatiality, the result is a loudspeaker of extraordinary refinement—a true luxury instrument that brings music to life with unmatched realism and emotion.
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Authorized dealers for Grandinote MACH 2 Estrema
- Assai Audio — in-store — Centro, Comunidad de Madrid, Spain (website)
- Audio compositions — in-store — Newark, Delaware, United States (website)
- Audio Emotion — online and in-store — Glenrothes, Scotland, United Kingdom (website)
- Audio Video Feel — online and in-store — Charenton-le-Pont, Île-de-France, France (website)
- Audio Vision San Francisco — online and in-store — San Francisco, California, United States (website)
- BELHIFI — online and in-store — Meise, Vlaams Gewest, Belgium (website)
- Elite Audio UK — online and in-store — Pittenweem, Escocia, United Kingdom (website)
- Hi Notes — in-store — Durham, North Carolina, United States (website)
- HIFI SOLUTION — in-store — Chandon, Auvergne-Rhône-Alpes, France (website)
- Moiz Audio — in-store — Bydel Alna, Oslo, Norway (website)
and 5 more verified dealers