Source: Press Release, Last Accessed: 2023/04/30

The PD-191A incorporates an all-new tonearm, drive system, record mat and PWM/PID rotation speed controller, while other key features include Luxman’s underslung chassis design with a 15mm aluminum top plate and a massive, 5.2 kg aluminum platter.
According to the press release, to trace the finest details of the record groove, the new tonearm features a vertical knife-edge bearing that delivers excellent initial sensitivity. An effective length of 10 inches (256 mm) not only minimizes tracking error, but also improves damping against surface vibration. Tracking error is held to +1.07° to -1.52%deg;. In addition, this static balance arm features adjustable anti-skating and up to 22 mm of height adjustment allowing for a wide range of phono cartridges to be installed. The supplied Luxman universal headshell features D.U.C.C. (Dia Ultra Crystallized Copper) wiring, with long copper grains for superb conductivity.
While the PD-191A offers the convenience of an all-in-one player with integrated tonearm, Luxman anticipates that demanding music lovers may also want to use the turntable with other tonearms. For this reason, the company will introduce accessory bases for third-party 9 to 10-inch tonearms and an external second tonearm base for long 12-inch arms, starting with the classic SME-3012.
The new turntable features Luxman’s unique sine wave/Pulse Width Modulation power supply to provide an ultra-stable direct current to the DC brushless motor. This turntable maintains correct speed via sophisticated Proportional-Integral-Differential (PID) control and programming. A high performance reference clock for speed correction, using a MEMS (micro-electro-mechanical system) oscillator, with excellent temperature characteristics, is deployed. The motor drives the outside flange of the platter through a new belt that is not only uncommonly wide, but also offers long service life thanks to new EPDM belt material.
The final guarantor of rotational stability is the 5.2 kg (11.4 pound) platter itself. The platter acts as a flywheel with extremely high moment of inertia, to suppress speed variations. Main bearing consists of Polyether Ether Ketone (PEEK) thrust bearings and brass radial bearings for effortlessly smooth rotation and long life, the company says. As a result of these exhaustive measures, wow & flutter is less than 0.04%, weighted RMS.
Resonance and microphonics control begins with large, rubber isolator feet with height adjustment and is supplemented by an underslung suspension structure and special rubber damping mounts To provide a final level of protection, the PD-191A offers a vibration-absorbing special rubber record mat.

For more information: https://www.luxman.com/

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