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Basis Audio SuperArm9, 12.5, AND 16
Read The Absolute Sound review of the SuperArm 9 by Robert Harley
Mission Statement
The goal for the Basis SuperArm has been simple, clear, and direct from the beginning: “To fully maximize the extraction of every detail from LP records, the full dynamics available from the grooves, without editorializing in the process”.
Most tonearms fit the description “tonearm” quite well: they have their own “tone” and character. The Basis SuperArm is designed to be as free as possible from any tone, character, or coloration in order to recapture the original recorded event as closely as possible.
Beyond a very literal extraction of the music from the grooves of the record, special attention was paid to the extremely delicate signal from the vertical modulation of the record grooves which contains the small “difference signal”, the left channel minus right channel information. The stereo width is revelatory, along with very precise focus of the locations of each instrument, voice, and sound source.
History
Basis designer A.J. Conti began investigating tonearm design in 1983 when he designed the original Basis turntable, the Debut. From that start Conti has tested over 125 tonearms on the Debut and subsequent Basis turntables. Basis introduced its Vector tonearm in 1999, which was quickly received as a state of the art product. The physics of tonearm behavior continued to be an obsession for Conti, with research and testing constantly progressing.
The Basis SuperArm is the result of A.J.’s continued research, his experience in turntable, tonearm, and cable design and manufacturing, along with his education in engineering and pre-audio background in the aerospace/defense field.
In 2018, A.J.’s achievement in tonearm design in the SuperArm was officially recognized by the Absolute Sound magazine with their prestigious Golden Ear Award.
Performance
As stated in the “Mission Statement”, the goal for the Basis SuperArm has been simple, clear, and direct from the beginning: “To fully maximize the extraction of every detail from LP records, the full dynamics available from the grooves, without editorializing in the process”.
Yet, there really was no way to know just how much more dynamics, imaging, and fine detail the records grooves really contained. The SuperArm clearly shows that there is a significant increase in dynamics, bass depth, bass power, clarity, and imaging information within the grooves that we have never heard before from any tonearm.
Those who have heard the Basis SuperArm agree: the vinyl playback game has changed. Hearing is indeed believing. Vinyl and music lovers will be especially excited to hear the lifelike dynamics, truly opening up a new level of realism in vinyl playback.
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Professional Reviews 92/100
Deliciously Crispy
Sound Quality
95/100
Build Quality
94/100
Features Usability
84/100
Value for Money
87/100
Built for elite decks, the low-resonance Basis SuperArm emphasizes rock-solid tracking, quieter grooves, and startling resolution. The Absolute Sound found it dramatically more immersive than its predecessor, with stronger rigidity, reduced mistracking, and a presentation that pulls recordings closer to the master tape. It’s a serious, highly specified tonearm for systems ready to reveal everything.
What Reviewers Are Saying
Pros
Delivers a major jump in resolution and musical immersion, making familiar records sound startlingly new.
Exceptional stability reduces mistracking and bearing chatter, supporting very confident groove handling.
Rigid construction and lower resonance contribute to quieter grooves and less distortion.
&
Cons
Requires serious turntables with the right pivot-to-spindle geometry and enough structural support for its heavy mass.
The review makes clear this is a costly, highly specialized upgrade rather than a universal fit.
SOUND QUALITY PERFORMANCE 95/100
Reviewers describe a dramatic sonic upgrade, with the arm making familiar records sound startlingly new and closer to the master tapes. The sound is praised as highly immersive and musically convincing, with quieter grooves, lower resonance, and reduced distortion contributing to the sense of ease and resolution.
Overall Sound
96/100
The Absolute Sound calls the improvements "mind-boggling" and says the arm made familiar records feel like hearing them for the first time. The review emphasizes a closer connection to the music and a transcendental, fully immersive presentation.
Tracking Performance
94/100
The arm is described as exceptionally stable, with bearing chatter eliminated and mistracking demonstrably reduced. The review also links the design to quieter grooves and lower resonance, which supports strong groove handling under demanding conditions.
FEATURES USABILITY PERFORMANCE 84/100
The supplied information and review excerpt show a highly specified arm with included mounting tools, alignment template, and balanced or single-ended wiring options. The reviews, however, say little about day-to-day ease of adjustment or how user-friendly the setup process is in practice.
Adjustability
84/100
The package includes all necessary tools for mounting and all adjustments, plus an alignment template, which suggests a serious setup toolkit. The review excerpt does not really discuss how easy or precise the adjustment process feels once installed.
Cartridge Compatibility
84/100
The arm is offered in multiple effective lengths and masses, and Basis specifies matching turntable requirements, which points to a carefully engineered but specialized fit. Reviewers do not discuss a broad range of cartridge pairings, so there is little direct evidence of versatility beyond the design options provided.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
94/100
Reviewer commentary points to far greater rigidity and significantly lower resonance, both of which suggest serious engineering discipline. The arm is also described as a major step up from its predecessor in materials and fit and finish, though the review spends more time on performance than on long-term workmanship details.
Value for Money
87/100
The review explicitly notes the roughly 3x price increase versus the Vector, but frames the SuperArm as a major step up rather than an indulgence. That makes the asking price look ambitious, yet still defensible for listeners chasing a substantial performance gain in this class.
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Authorized dealers for Basis Audio SuperArm9, 12.5, AND 16
- American Sound — in-store — Richmond Hill, Ontario, Canada (website)
- Galen Carol Audio — online and in-store — San Antonio, Texas, United States (website)
- Glenn Poors AV — in-store — Champaign, Illinois, United States (website)
- Goodwin's High End — online and in-store — Waltham, Massachusetts, United States (website)
- HiFi Sound — in-store — Minneapolis, Minnesota, United States (website)
- LP Gear — online and in-store — Henderson, Nevada, United States (website)
- Optimal Enchantment — in-store — Los Angeles, California, United States (website)
- Take 5 Audio — in-store — Southbury, Connecticut, United States (website)