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Clearaudio Concept Turntable
September 9, 2021The original Luxman big turntable.
The Luxman PD444 is a direct drive quartz locked turntable, and its most outstanding feature is its ability to remove all kinds of external load variation thanks to a load free spindle system.
Additionally, the PD444 is made extremely resistant to howling and mechanical vibration by means of insulators of a 2-step brake system with the lowest resonant frequency, and an ultra heavy chassis of sandwich structure made from 2 thick iron plates and a high density chipboard.
Luxman decided to develop an epoch-making turntable with provision for two tonearms, including a long one. Necessary for the two-tonearm PD444 : interchangeable armboards !
These were made not à la Micro but custom engineered for/by Lux with sliding rails and a fixing clutch ; the rails have rulers printed next to them to precisely adjust overhang.
Material is diecast zinc with an added 5mm extruded aluminium top plate for cosmetic coordination.
This belongs to Luxman’s big push in all directions after the foundation of Luxman America and its 50th anniversary in 1975.
Lineups started to be multiplied, the actual making of the components got spread over more suppliers and contractors and advertising took on more regular and lavish modes.
In other words : this is Luxman’s true “golden age”, products-wise and sales-wise.
Our PD444 is in excellent condition and is availible with or without tonearms.
Technical data
Drive system : | direct-drive |
Motor : | Crystal Control |
Load-Free-Spindle system (MDS152C) | |
Flat Brushless DC Servo motor | |
Platter : | diecast aluminium |
30cm / 2,5kg | |
Speeds : | 33 1/3 & 45rpm |
S/N ratio : | > 75dB |
Wow & flutter : | < 0,025% (WRMS) |
Torque : | 1kg / cm2 |
Temperature drift : | < 0,00003% / C° |
Turning accuracy : | 0,002% |
Pitch control : | no |
Acrylic resin cover : | 4mm thick with semi-free-stop hinge |
2,5kg | |
Lock indicator : | blue (33 1/3) |
orange (45rpm) | |
Arm bases : | 2 detachable diecast |
Tonearm switch : | T1 & T2, interchangeable |
Dustcover : | 4mm acrylic resin, hinged |
PC : | 16W |
Dimensions : | 66,4 x 39,2 x 16cm (PD444) |