Lot 11
Sota Industries Star V in Black acrylic 110v turntable with Graham Engineering Model 1.5t precision tonearm
From Elusive Disc:
"A turntable must address and resolve all of the issues that affect ultimate performance, if it is to achieve the goal of bringing you closest to the musical experience. The basic goal of achieving maximum information retrieval in turntable performance is one of controlling microscopic vibrations - a task that requires the utmost in engineering precision and comprehensive design.
The design objectives of Dynamic Stability (the control of forces present in a dynamic system), Environmental Isolation (the control of forces from "outside" the turntable's world), Easy Set-up (guaranteed results in all situations), Control Over Vinyl Resonance and Variations, (which would otherwise undermine the performance of even the best turntables) and Control Over Power Line Impurities (which are present in all installations and result in sonic anomalies if not controlled), are all addressed in the design of the SOTA line of precision turntables.
Available in Natural, Dark or Black Oak. Make Sure you choose your finish or the default Natural Oak will be applied.
The Series V STAR Vacuum Turntable Features:
Floating Seismic Platform Suspension with 22 lb. Balanced Sub-Chassis Hung from Four Point Spring Suspension System
Internally Damped, Multi-layer 14 - 15 lb. Platter, Inverted Bearing Design with Sapphire Thrust Plate and Chrome Steel Bearing
Self-Sensing Vacuum Hold-Down with I-Clamp Clamping Device
Acrylic Supermat and Groove Damper Mat
"Bolt-Through", Multi-Layer Armboard Block Mounting
Electronic Flywheel? Ultra-Regulated, High-Speed Power Supply for Motor System
High-Efficiency A/C Motor with Double-Regulated, Synthesized Sine-Wave Drive and Balanced Pulley
Electronic Speed Control and Speed Change
Interchangeable Tonearms with SOTA Wood
Optional Tension-Hinged Clear Dust Cover
Optional Finishes
"The Star in a word, is suave, the Frank Sinatra or Tony Bennett of turntables... I think the SOTA Star is a good value. It is absolutely beautiful, very well built, and sounds great... I plan to back up my words with my wallet." - Nels Ferre, TNT HiFi Magazine, May 2002
"The SOTAs are the only suspended turntables that are absolutely, unconditionally stable over time, a statement I make from personal experience." - Paul Seydor, The Absolute Sound (TAS)
Specifications:
Rumble: less than -60db unweighted (10cm/sec @ 1000Hz)
Wow & Flutter: less than .04% RMS
Suspension: tuned 4-point stretched-spring sub-chassis, 2.55 Hz frequency
Platter: individually balanced 14 lb one-piece cast platter with internal damping, lead flywheel ring, SOTA Vinyl-Acrylic Supermat, molded silicone vacuum lip and anti-static Groove Damper mat
Vacuum System: electronic-sensing, provides LP clamping vacuum pressure of 3.0? Hg, +/- 0.2? Hg
Shaft: hardened steel, hand matched to sintered bronze sleeves
Motor: high-efficiency A/C motor with double-regulated, synthesized sine-wave drive and balanced pulley; electronic flywheel with ultra-regulated, high-speed power supply for motor system
Bearing: thrust pad; polished sapphire disc; thrust point: hardened chrome steel ball
Transmission: belt driven
Speeds: 33-1/3 and 45 RPM, electronically switchable with fine tuning
Weight: 44 lb (20 kg) turntable only; 10 lb (9 kg) pump unit
Dimensions: 7-1/2"H (to top of dust cover), 20-1/4"W, 16-1/2"D
Available in Natural, Dark or Black Oak. Make Sure you choose your finish or the default Natural Oak will be applied.
Optional Dust Cover also available!"
Stereofile.com on the Graham Model 1.5 tonearm:
"To fully understand what the Graham Model 1.5 arm is all about, one has to start with the sparkle of inspiration in Bob Graham's mind. It's next to impossible not to like Bob. His friendly demeanor puts one at ease, and his care and love for the analog art bubble forth. His design philosophy is fully accessible to open discussion. There is no mysticism or classified industrial secrets to get in the way. The 1.5 is a distillation of the best design ideas the art has produced over the years, executed with care and engineering precision. Of course, there are some new wrinkles here, covered by no less than two US patents, but the foundation is sound engineering practice aimed at providing the most perfect operating platform for a phono cartridge achievable at the current state of the art. The basic design was refined over a period of several years to yield what is now, in my estimation, the finest tonearm money can buy.
The perfect tonearm
The role of the tonearm has been compared to that of the enclosure in a loudspeaker. In this analogy, think of the bass driver as representing the cartridge. The first important point is that it is impossible to assess the driver's performance without considering its interaction with the cabinet. The cartridge/arm combination should be viewed in the same light. The arm's effective mass should be compatible with the cartridge compliance to produce an optimal low-frequency resonance. Just as enclosure wall flexure and resonances may color a speaker's reproduction, so can arm resonances influence the overall frequency-response and time-domain behavior. Arm resonances, both lateral and torsional, should be minimal and well-damped.
From the perspective of the cartridge, the arm is essentially a "monkey on the back." As the stylus negotiates delicate groove modulations, the cartridge has to literally drag this monkey, kicking and screaming, down the groove spiral. Bearing friction at the arm pivot, sufficient to impede the motion of the cartridge, gives rise to distortion because frictional forces along the groove wall increase as a result. Thus, low bearing friction is an automatic prerequisite for a good arm. For a magnetic, velocity-characteristic cartridge, the differential velocity between the stylus and cartridge body gives rise to the output signal. Should the arm rattle the cartridge, the signal's amplitude and the system's frequency response will both be affected. This can happen when the arm bearings are loose and "chatter." Unfortunately, for conventional bearings of the gimbal or ball-race design, the requirements for low friction and tightness (no chatter) are contradictory; some compromise must be struck between the two. In other words, the tighter the bearings, the greater the friction.
The dynamic behavior of the arm is critical to overall performance. Real-world records are eccentric and warped. Trying to negotiate such a record subjects the arm to lateral and vertical accelerations. By far the most serious practical problem is that of negotiating a small-radius warp. As the stylus starts to climb the uphill side of the warp, the cantilever is compressed upward, which may significantly increase vertical tracking force. This is bad enough in itself—increased VTF accelerates record wear—but the cantilever may be displaced upward to the extent that the cartridge enters the twilight zone of nonlinearity: either because of suspension overload or operation in the fringe of the magnetic field."
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Dimensions:
- 7.5" x 20 1/4" x 16 1/2"
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