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VPI TNT 1-6 and Jr.

Guide to Distinguishing Between the

VPI TNT Series Models: 1, 2, 3, 4, 5, 6, and Jr

The VPI TNT series represents the initial ambitious and advanced turntables in the VPI lineup. With a focus on extreme performance, innovation, and engineering excellence, the TNT series has evolved through multiple iterations. This guide outlines the distinguishing features of the TNT MK1 through MK6 and the Jr model.

 

Overall Dimensions of all models: 25"W x 19"D x 8"H (without optional dustcover)

Weight: Two cartons 63 lbs. each

Assembled unit: 65 to 120 lbs pending on various builds and accessories.

 

1. VPI TNT MK1
 

Overview: The original TNT set a new standard for high-end turntables for VPI and future high-end designs.  It also featured different layer combinations of material and how they interact with one another.

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  • Plinth: Two layers of 1” black acrylic welded together.

  • Clamp: Standard Delrin Screw Down Clamp.

  • Suspension: Spring Suspension  

  • Motor: 600 RPM AC Motor with PLC (Power Line Conditioner) Speed Box

  • Platter: 1.75" thick acrylic platter with 11.5” diameter

  • Drive System: Single-belt drive system into “T” Structure Pulley System

  • Feet: Adjustable isolation Delrin corner posts with adjustable leveling.

  • Arm: No dedicated arm, common with Eminent Technology, Linear Tracking arms in general, Graham Phantom, and SME.
     

Note: The "T" Structure Pulley System was later deemed inefficient due to the high level of maintenance it required. The current recommendation is to disregard the T Structure, seal the holes, and use a standard VPI single-belt pulley system.

 

2. VPI TNT MK2

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Overview: The MK2 built on the foundation of the MK1, introducing refinement to the “T” Structure becoming a solid acrylic piece.

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  • Plinth: Two layers of 1” black acrylic welded together.

  • Clamp: Standard Delrin Screw Down Clamp.

  • Suspension: Spring Suspension  

  • Motor: 600 RPM AC Motor with PLC (Power Line Conditioner) Speed Box

  • Platter: 1.75" thick acrylic platter with 11.5” diameter

  • Belt System: Single-belt drive system into “T” Structure Pulley System

  • Feet: Adjustable isolation Delrin corner posts with adjustable leveling.

  • Arm: No dedicated arm, common with Eminent Technology, Linear Tracking arms in general, Graham Phantom, and SME.

 

3. VPI TNT MK3

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Overview: The MK3 introduced significant upgrades to the platter and suspension, further enhancing performance and adding additional weight to the overall deck.

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  • Plinth: Refined multi-layer construction with additional mass for vibration control.

  • Clamp: Standard Delrin Screw Down Clamp.

  • Suspension: Pneumatic air bladders with enhanced stability and damping.

  • Motor: 600 RPM AC Motor with SDS (Syncronis Drive System) Speed Box

  • Platter: 2" acrylic-lead platter for increased mass and stability with a 11.5” diameter.

  • Drive System: Dual-belt drive system with “T” Structure Pulley System.

  • Feet: High-performance isolation feet with Delrin and steel for improved decoupling.

  • Arm: No dedicated arm.  Introduction of the JMW Memorial Arm, common with Eminent Technology and Linear Tracking arms in general, Graham Phantom, and SME.

 

4. VPI TNT MK4

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Overview: The MK4 was a significant evolution, featuring advanced materials and engineering solutions.

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  • Plinth: Laminated high-mass base with superior damping characteristics.

  • Suspension: Sorbothane pucks replaced pneumatic bladders for more reliable isolation.

  • Motor: 600 RPM AC Motor with SDS (Syncronis Drive System) Speed Box

  • Platter: 2" acrylic-lead platter for increased mass and stability with a 11.5” diameter.

  • Drive System: Dedicated motor and separate flywheel.

  • Feet: High-performance isolation feet with Delrin and steel for improved decoupling.

  • Arm: No dedicated arm.  Common mounted: JMW Memorial Arm, Tri-Planar, Graham Phantom, and SME.

 

5. VPI TNT MK5

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Overview: The MK5 introduced advanced engineering refinements for ultimate performance.

  • Plinth: Ultra-massive base with improved rigidity and damping.

  • Suspension: Refined Sorbothane suspension system for exceptional isolation.

  • Motor: High-precision AC synchronous motor with external speed controller.

  • Platter: 3" acrylic-lead platter for maximum stability and resonance control.

  • Drive System: Single Motor and Flywheel, Official Removal of T Structure 

  • Feet: High-performance isolation feet for with Delrin and steel for improved decoupling.

  • Arm: JMW-12.5 Memorial Arm directly mounted

 

6. VPI TNT MK6

Overview: The MK6 represents the pinnacle of the TNT series, combining all previous advancements with cutting-edge technology.

  • Plinth: High-mass composite construction with optimized damping layers.

  • Suspension: Hybrid suspension utilizing both Sorbothane and mechanical isolation.

  • Motor:  Dual Motor / Flywheel Assembly with 300 RPM 24 pole motors and SDS

  • Platter: 2” thick, 12” Diameter acrylic platter with inverted bearing

  • Drive System: Flywheel-assisted triple-belt system for precision torque.

  • Feet: High-performance isolation feet for with Delrin and steel for improved decoupling.

  • Arm: JMW-12.5 Memorial Arm directly mounted

 

7. VPI TNT Jr

Overview: The TNT Jr was designed as an entry point into the TNT lineup, offering high performance at a more accessible price.

  • Plinth: The-layer bonded acrylic.

  • Suspension: Sorbothane Suspension.

  • Motor: 600 RPM AC Motor with SDS (Syncronis Drive System) Speed Box

  • Platter: 1.75" black acrylic platter, 11.5” diameter.

  • Drive System: Single-belt drive system.

  • Feet: Standard adjustable Delrin Corner.

Arm: Blank Armboard

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