Artisan Fidelity Garrard 501 Statement

Offered for your consideration is our stunning built to order Artisan Fidelity Garrard/Loricraft 501 Statement turntable. This is the first and as far as I know the only table of it's kind built by Chris at Artisan Fidelity. This table was used in all the promo shots and shown at a number of audio shows. Various arm boards included for Kuzma 4Point, DaVinci, and Reed. Also blank boards in Panzer wood and brass. Table was removed from crate when new and tested for about a month. It was then placed back into the crates and has been in storage since then. Includes extra arm boards an internal coupling plate for tuning. I will be opening the crates for testing, inspection and inventory and will update the listing with new info. Please let me know if you have any questions, all offers considered, some longer than others.  :-) Thanks for looking!

AV Showreports highlights this 501

Check out the video below of this actual turntable plinth being machined out of solid magnesium!!


Design Overview:

Advanced Magnesium alloy based plinth incorporates superior damping, rigidity and structural density characteristics. Machined tolerances measurable within microns.
Internal damping bridge architecture utilizes German Panzerholz and Copolymers for contouring resonance and subsequent playback characteristics.

Hydrodynamic type bearing features Laboratory Grade Swiss Sapphire, hardened and polished enlarged bore primary shaft / wall gap tolerances < 0.00025" and advanced military grade thermoplastic thrust pad with ultra low coefficient of friction.





Magnesium Alloy and pure Copper precision machined platter features internal damping provisions which further aid in damping undesirable mechanical resonances. Machined tolerances measurable in microns.

Armboard material / Marine Brass, Austenitic Steel, Copper alloy, German Panzerholz and Copolymers.

Precision CNC Machined Idler Wheel designed using Austenitic Stainless Steel and specially formulated molded rubberized polymer periphery ring.




Additional Enhancements:

Elimination of weak factory Main Bearing.

Elimination of inferior wood partial board based factory linkage bridge and supporting platform.

Elimination of factory idler wheel.

Elimination of inferior light aluminum factory Main Platter.




Comprehensive Power Supply Modification:

Factory supplied Garrard 501 stock power supply is incapable of providing sufficient voltage and amperage to overcome motors initial requirements, resulting in slow start up and subsequent rotation of platter.

Diagnostics:

Power amplifier for regeneration is found to be littered with what seems to be “after the fact” attempts to resolve the lack of power problem; components soldered on track side in parallel with components on silk screen side.  Breaking down the circuit reveals that an unnecessary conservative approach, combined with a lack of proper understanding of application, has resulted in a sub par utilization of the amplifiers potential.

Solution:

Amplifier design is recalculated and the circuit is rebuild with new component values allowing the amplifier to operate at optimal performance.
Final test reveals that the previously wasted power dissipated in the heat sink is now available to the motor.  After a short (2-3 min.) warm up of the combined redesigned power supply system, the motor brings the platter to speed within seconds.

Frequency Control Unit:

The circuit is a cosine State Variable Filter, which is an acceptable approach to making an accurate oscillator, provided that only the absolute necessary number of parts are used and all of these parts are selected for the lowest possible temperature drift characteristics.  The original circuit reflects the same “confusion” as found in the main power supply unit – too many parts, and poor quality.  Local supply for the IC is, as such, designed around a Zener diode, which causes the supply to the IC to fluctuate and be “dirty”.

Solution:

Removal of all unnecessary components, recalculation of needed “correct” values to obtain desired control frequencies and rebuilding of circuit with low temp drift components.

Entire original local IC supply is replaced with new stable supply.  The final combined 501 power supply and controller facilities are burned in over a period of 72 hours, and tested during this period for drift and stability.


 

Specifications:

Dimensions ~ W 680mm x D 478mm x H 229mm

​Instrument Net Weight - 94kgs. ~ 208lbs.

Tonearm Accommodations - Dual 9" - 12" effective length including Linear Tracking types.

Finish - Micro Suede Porsche Topaz Automotive paint.

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Welcome to another Audio-Ranch.com listing! While the name may be new, here at the Audio-Ranch we have over 40 years experience in high end audio! Formerly MAZE Analog, I have had the pleasure of repairing your tonearms here on Audiogon since 2019 and being a member since 2004. Early this year we acquired one of the most amazing high end collections I have ever seen. Since then we have been pouring over every piece of gear... listening, testing and preparing to send it to you, our discerning clients. Please have a look at our listings as they come online, and if you'd like to see the full list of over 3.5 million dollars in equipment please reach out and I'll be happy to forward you a copy. Happy listening, and we here at Audio-Ranch.com look forward to serving you!

Tim Corn
Audio-Ranch.com

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Original listing info, pictures and video used by permission of Artisan Fidelity.