Clearaudio Concept Signature Turntable
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Product Overview & Specifications
The Clearaudio Concept Signature is a high-precision, user-friendly turntable that refines the original concept design with advanced speed stabilization and modern tactile controls. Its multi-layer body features a core of medium-density fiberboard (or high-pressure bonded solid wood layers) topped with a satin-finished synthetic upper layer to minimize resonance and acoustic feedback.
The turntable utilizes a decoupled DC motor suspended via modified O-ring Isolation Motor Suspension ("IMS") rings derived from the Reference Jubilee deck. Drive is transmitted via a polished flat belt to a CNC-machined aluminum sub-platter and a 30mm high-density synthetic main platter. At the core of its operational upgrades is Tacho-Speed-Control (TSC), an active real-time speed monitoring system that auto-calibrates at startup and dynamically adjusts motor output against belt tension degradation, temperature shifts, and bearing friction.
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- Tacho-Speed-Control (TSC): Active real-time encoder control system that continuously monitors platter speed, auto-calibrates at every restart, and compensates for mechanical variations and friction.
- Improved IMS Motor Suspension: Decoupled DC motor suspended using O-rings based on the flagship Reference Jubilee design to eliminate motor-induced vibrations.
- Resonance-Optimized Chassis: Resonance-damping enclosure constructed from MDF or pressure-formed solid wood layers topped with a satin synthetic top plate.
- Precision CNC Sub-Platter & Synthetic Platter: CNC-machined aluminum sub-platter paired with a 30mm (1.18") high-density synthetic main platter.
- Sintered Bronze & Teflon Thrust Bearing: Polished and tempered steel spindle running in a sintered bronze bushing on a Teflon thrust pad for friction-free rotation.
- Illuminated Touch Controller: Modernized top surface featuring a flush, illuminated touch controller for intuitive speed switching and power control.
- High-Decoupling External Power Supply: Outsourced, heavy-duty power supply unit isolates sensitive analog playback components from mains voltage fluctuations.
SPECIFICATIONS
| Product Category | Precision Manual Belt-Drive Turntable |
| Drive System | Decoupled DC Motor with Polished Flat Belt Drive |
| Speed Modes | 33 ⅓ RPM, 45 RPM (Selected via Illuminated Touch Control) |
| Speed Control Technology | Active Tacho-Speed-Control (TSC) with Auto-Calibration & Real-Time Feedback |
| Motor Suspension | O-Ring Isolation Motor Suspension (IMS) Architecture |
| Platter & Sub-Platter | 30mm (1.18") High-Density Synthetic Platter with Precision CNC Aluminum Sub-Platter |
| Platter Bearing Type | Polished & Tempered Steel Spindle in Sintered Bronze Bushing with Teflon Thrust-Pad |
| Enclosure Material Options | MDF Core (Silver / Black finish) or Pressure-Formed Solid Wood Layers (Wood / Dark Wood finish) |
| Power Supply | External Outsourced DC Power Supply Unit |
| Dimensions (W x D x H) | Approx. 420 x 350 x 125 mm (Includes Tonearm) |
| Total Weight | Approx. 7.5 kg (Includes Tonearm and Cartridge Assembly) |

