Article Index
Martin Logan Summit X
page 2
page 3
page 4, Sound quality
page 5, Conclusion
page 6, Measured Performance
All Pages

For me, Martin Logan’s biggest XStat panel is a tour-de-force of loudspeaker engineering – one that works every bit as well as they claim, measurement and listening show. You simply cannot get better clarity than this, you can’t get a more even sound free from phasiness and you’ll never hear violin sounding as it is meant to, except from this big XStat panel. It’s line source nature paints up a massive sound stage, one on which images are pin sharp. Again, I’ve never heard better – and I cannot imagine being able to.
    The challenge with the Summit X was to get the panel to integrate seamlessly with the powered bass cabinet and this Martin Logan have managed to do through ingenious electronic tinkering. In practice it makes the Summit X an understated ‘audiophile’ design, sound-quality wise, when correctly matched into the room. It has a correctness about it that I loved, because I want a loudspeaker not only to work perfectly, but acoustically disappear too – and this the Summit X almost did.
    Only its down-light, projecting a bright glow onto the floor below, made clear that there’s an unusual but amazing loudspeaker above, one I would suggest you hear if you can.
Loudspeakers don't get much better than this.

MARTIN LOGAN SUMMIT X        £14,998 (UK)

OUTSTANDING - amongst the best

Fabulous hybrid electrostatic loudspeaker that fits into even medium-sized rooms, can be tuned to suit and gives a sound that is unmatched for quality. Stunning!

- awesome clarity
- massive sound stage
- powerful bass

- large
- need mains power
- demands top quality
Absolute Sounds
+44 (0) 208 971 3909


Comments (2)
summit x noise
2Friday, 24 October 2014 14:52
I really enjoy the sound quality the Summit delivers, but has anyone recognised the noise both of the digital amps produce?
Summit X
1Thursday, 13 February 2014 21:46
Bruce Low
Very interesting review re the above especially in the context of Noel's love of dipole bass. As a former Quad 57 and 63 listener but current martin logan Spire owner I was particularly struck by Noel's far more positive comments re Summit X bass, (and indeed overall performance) in contrast to his comments on the Montis bass performance. Did I pick you up right? Should I upgrade to Summit X if that is the case. Did Noel find any difference in the xStat performance in Montis compared with Summit X eg soundstage .... Or was this essentially identical given same panel. If it had gains here that would also interest me in terms of potential upgrade. With the Spires I find the slightly soggy and texturally undifferentiated bass (by the highest standards) its only real weakness. It is so good I have hesitated to make any upgrade move up until now,

Yes, the Summit X does have better bass than the Montis, although it isn't perfect perhaps. There is less disparity between panel and box, they seemingly integrate better. That "textural" lack of differentiation remains, but it is less apparent. The Summit X seems to have lighter and drier bass, although it goes very low and subsonics are obvious.
I heard no difference in the XStat panel, and its imaging remains superb.
The Summit X is a step up on the other models and bass is improved. It has become more academically correct, as it were. Big bass form a small box will forever raise problems DSP cannot eradicate. The big issue is internal energy emerging through the cone time delayed (overhang). There's little that can be done about this, other than Isobarik loading. NK

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