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Techdas Air Force 10
The all new Air Force 10 tonearm
TechDAS Air Force 10 tonearm incorporates a culmination of innovative vacuum hold-down and air bearing technologies, which were originally developed for TechDAS Air Force turntables. Additionally, it draws upon our extensive expertise in precision machining, particularly with titanium and tungsten materials.
After dedicating nearly three years to the development and design of this new tonearm, we are thrilled to present a product that features an exceptionally smooth and precise motion, thanks to the advanced air bearing technologies. This breakthrough enables the faithful reproduction of even the most subtle details embedded within the grooves of vinyl records, immersing you in an unparalleled "you-are-there" feeling and experience. Furthermore, the tonearm's revolutionary arm tube and main body benefit from the exceptional damping characteristics of the exotic materials and finishes used in their construction. This damping capability ensures ultimate silence and faithfully conveys every piece of information captured by the cartridge, delivering an audio experience of unmatched quality.
BEARING MECHANISM: Horizontal: TechDAS Air Bearing Float System. Vertical: Tungsten Pivot and Ceramic Ball Bearing.
ARM TUBE/ HEAD SHELL: Hybrid two layer structure. Outer: Magnesium alloy with DLC coating. Inner: CFRP (Carbon Fiber Reinforced Plastics).
TONEARM LIFTER: TechDAS Vacuum Force Lift System. Continuing with our theme of developing air force technologies, we went one step further with a new TechDAS Vacuum Force Lift System which holds a spring under constant vacuum. If there is a sudden power loss from the mains system supplying power to your listening room, the spring will automatically lift the Air Force 10 arm from your record.
TRACKING FORCE ADJUSTMENT: Spring pressure dynamic balanced.
INSIDE FORCE CANCELLER: Spring Pressure.
ARM MOUNT: TechDAS Helicoid Height Adjustable Mount.
OUTPUT: DIN 5pin Output Connector (Phono cables not included).
AVAILABLE LENGTH: 10 inch and 12 inch.
TONEARM WEIGHT: 2.3kg.
EXTERNAL AIR SUPPLY UNIT: One pump system for intake and exhaust. Weight: 14 kg. Size: 430 x 390 x 144mm (WxDxH)
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The Air Force 10 opens with a cashmere-like treble and a massive soundstage, its floating air-bearing architecture delivering effortless tracking, vivid dynamics, and remarkable transparency; a sophisticated, reference-class tonearm praised by Jacob Heilbrunn.
Pros
- Silky, “cashmere-like” treble and exceptional transparency that reveal instrumental detail.
- Massive soundstage and strong dynamic authority across genres.
- Friction-free tracking enabled by the external air-bearing system for effortless groove tracing.
&
Cons
- Extremely high price ($45k–$49k) places it firmly in the very high-end niche.
- Relatively high effective mass (especially 12") can limit pairing with very high-compliance cartridges.
Sound Quality
93/100
Weighted average of sub-criteria below.
Overall Sound
94/100
The Absolute Sound reviewer calls the Air Force 10 an "engineering marvel and a sonic delight," noting a "cashmere-like quality" to the sound, a "massive soundstage," and "gobs of dynamic prowess." That language supports a very high score for overall tonal balance, transparency, and musicality.
Tracking Performance
92/100
Reviewer praise for the air-bearing implementation ("helps eliminate friction and drag") and that the arm "traverses the grooves of an LP with an unusual degree of suavity, particularly in the treble region" indicates exceptional control, low friction, and excellent treble stability—justify a high tracking score.
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Build Quality
92/100
TechDAS uses exotic materials (titanium, tungsten) and an external air pump to float a horizontal air bearing; the reviewer highlights those engineering choices. The construction and bearing implementation are described as sophisticated and high-end, supporting a top-tier build score.
Features Usability
75/100
Weighted average of sub-criteria below.
Adjustability
78/100
Reviews emphasize engineering brilliance and the external air supply but give little detail on user adjustments (VTA on-the-fly, azimuth, anti-skate). The design likely requires more involved setup and external pump management; still, the quality engineering suggests achievable, precise adjustments, so a slightly above-average score is appropriate.
Cartridge Compatibility
72/100
Specifications list effective mass values (10" ~20.9g; 12" ~30.7g). The relatively high effective masses—especially the 12" value—suggest better pairing with medium-to-low-compliance cartridges and a more limited sweet spot for very high-compliance cartridges, so compatibility is somewhat constrained.
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Value for Money
84/100
The reviewer notes the pricing ($45,000 for 10", $49,000 for 12") and lavishes strong praise, implying the product justifies a premium. Given the extremely high price, value is best characterized as a justified premium for listeners seeking reference-level air-bearing performance, rather than broad "value"—hence a high but not topmost value score.
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