Rega RB303

Tonearm for Planar 3 and Planar 6

The Rega RB303 is a tonearm designed and manufactured by the British company Rega. A descendant of the RB300 tonearm, the RB303 incorporates several improvements and refinements to offer high-level sound quality and user experience.

The RB303 features a one-piece, low-mass aluminum arm tube, hand-assembled to ensure optimal alignment and rigidity. The intelligent redistribution of mass within the arm tube minimizes resonance points, enhancing clarity and detail reproduction.

Rega has equipped the RB303 with high-precision horizontal and vertical bearings, offering near-frictionless movement. These hand-selected bearings ensure extreme stability and gather more information than ever from the vinyl record.

Bias Assembly and Vertical Bearing Housing

The RB303 incorporates a redesigned bias assembly and a more rigid vertical bearing housing compared to its predecessors. These improvements contribute to the overall rigidity and performance of the tonearm.

Integrated Arm Clip and Improved Spring Housing

An integrated arm clip and an improved spring housing with easier-to-read numbers are part of the ergonomic enhancements of the RB303. These features simplify the user experience and facilitate precise adjustments.

Cartridge Compatibility

The RB303 is compatible with a wide range of moving magnet (MM) and moving coil (MC) cartridges, with a recommended cartridge weight range of 4 to 11 grams. The tonearm’s three-point mounting system ensures a secure and stable connection between the cartridge and the arm.

Performance

Soundstage and Imaging

The RB303’s double brace design, which increases rigidity between the tonearm and the turntable bearing, contributes to the impressive width of the soundstage and midrange clarity. The tonearm’s ability to reproduce the finest details and present a focused and stable image is a testament to its design and construction.

Bass Response

While the RB303 offers a well-controlled and articulated bass response, some users have noted that the bass can lack a bit of definition and sound slightly monotonal compared to the rest of the frequency spectrum.

Tracking Ability

The RB303 demonstrates excellent tracking ability, thanks to its high-precision bearings and stable design. However, some users have reported that the tonearm can be sensitive to damaged vinyl when set to the tracking force recommended by Rega.

Comparison with Other Rega Tonearms

The RB330 is a high-end model from Rega, featuring further improvements such as an enhanced vertical bearing housing, a redesigned bias assembly, and a new 100-gram mild steel counterweight. While the RB330 offers superior performance, the RB303 remains an excellent choice for those seeking a high-quality tonearm at a more accessible price.

Key Advantages of the Rega RB303 Tonearm

• Low-mass aluminum tonearm tube, hand-assembled for minimal resonance
• High-precision horizontal and vertical bearings for nearly frictionless movement
• Redesigned bias assembly and more rigid vertical bearing housing for better rigidity
• Integrated tonearm clip and improved spring housing for an optimized user experience
• Wide compatibility with various MM and MC cartridges
• Impressive soundstage width, midrange clarity, and detail reproduction
• Significant improvement over its predecessors, the RB300 and RB301

• Right arm
• Antiskating adjustment
• 3-point mounting

Technical Specifications

• Effective mass: Low / 11 g
• Mounting distance (from the center of the platter to the center of the arm hole): 222 mm
• Effective length: 236.5 mm
• Offset angle: 21.55°
• Overhang: 14.5 mm

Structure

• Cast tube
• Adjustable steel counterweight
• High precision horizontal and vertical bearing

Key Features

• Redesigned vertical bearing housing
• Integrated arm clip
• Improved spring housing
• Award-winning low mass aluminum tonearm tube by Rega
• Extreme stability and near frictionless movement
• Hand-selected bearings
• Lifetime warranty against manufacturing defects

General

• RCA cable and plugs