
KUZMA — Tonearms
Air Line
The ultimate air-bearing linear tracking tonearm for unparalleled musical transparency.
The Kuzma Air Line represents the pinnacle of linear tracking tonearm design, engineered to remove the mechanical constraints of pivoting systems entirely. By utilizing a pressurized air-bearing to float the arm assembly, it achieves a nearly frictionless state that allows the stylus to trace the record groove with zero tracking error and minimal mechanical interference.
Positioned as the definitive flagship of the Kuzma tonearm catalogue, the Air Line is a statement piece for the most ambitious analogue systems. It is the result of years of refinement in precision machining and fluid dynamics, designed specifically for the listener who pursues the theoretical ideal of master-tape fidelity.
Sonically, the Air Line is distinguished by its purity, openness, and startling transient speed. Because the stylus maintains a constant tangential relationship to the groove, the soundstage is rendered with a depth and holographic realism that conventional tonearms struggle to replicate. It remains a benchmark for transparency, revealing textures and spatial information with complete composure.
Key Features
01
Air-bearing technology
A high-precision pressurized air-bearing eliminates mechanical friction, allowing the arm to float above the track.
02
Linear tracking geometry
The arm moves in a straight line across the record, completely removing tracking error and skating forces.
03
On-the-fly VTA adjustment
The design allows for precise vertical tracking angle tuning while the record is playing for optimal cartridge alignment.
04
Rigid construction
Machined from solid aluminium blocks to ensure an inert, non-resonant platform for the cartridge.

Chapter 01
Design Philosophy
The Air Line addresses the fundamental geometry of vinyl playback by ensuring the stylus remains tangential to the groove at all times. This removes the distortion inherent in pivoting tonearms and allows for a more accurate retrieval of information from the vinyl master.

Chapter 02
Air Supply Integration
The tonearm requires an external, ultra-quiet air supply to maintain the air bearing. This dedicated pump system is an integral part of the design, ensuring a steady, constant pressure that allows the tonearm to move with total fluid motion across the record surface.

Chapter 03
Sonic Character
The result is a sound that is exceptionally clean and free from mechanical edge. Listeners often report a heightened sense of realism, particularly in the reproduction of vocal and instrumental layering, where the absence of tracking distortion allows for greater separation and micro-dynamic detail.
Specifications
Effective length184 mm
Arm mount distance 212 mm
Bearing typePrecise high pressure air bearing
Effective massVert.
Total mass2270 gr
Offset angle0*
VTA adjustmentPrecise VTA tower
Azimuth adjustmentPrecise worm drive
TubeConical
Max. standard cartridge weight25 gr
Optional light and heavy counterweightYes
DampingYes
Detachable headshellNo
Arm mountKuzma
Standard wiringSilver, RCA Bullets ( 46pF )
AccessoriesProtractors,Allen keys, cartridge mounting screws
OptionsXLR, 5pin, RCA box, purchase without compressor ( XL AIR compressor-model 50D can supply air for Air Line)
