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Lincoln Aspect 375 AC/DC TIG Welder

SKU: K3945-1
$11,554.39
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Overview

The Lincoln Electric Aspect® 375 AC/DC TIG Welder is a high-performance precision welding system engineered for mission-critical applications where weld quality cannot be compromised. Designed for industries such as aerospace, motorsports, shipbuilding, and advanced fabrication, this powerful machine delivers exceptional arc control, advanced customization, and industry-leading reliability.

With both AC and DC TIG capabilities, the Aspect 375 provides superior performance on aluminum, stainless steel, and other critical materials, making it an ideal solution for demanding welding environments. :contentReference[oaicite:0]{index=0}

Key Features
Precision TIG Welding Performance
  • Delivers up to 375 amps of TIG welding power
  • Extremely fast arc response for smooth, stable welds
  • Designed for high-quality, code-critical applications
Advanced AC/DC TIG Capabilities
  • AC welding for aluminum with optimized cleaning and penetration
  • DC welding for steel, stainless steel, and other materials
  • Supports both High Frequency TIG and Touch Start TIG modes
Intellistart™ Technology
  • Automatically adjusts arc starts based on material thickness
  • Softer starts reduce distortion on thin materials
  • Hotter starts improve performance on thicker materials
AC Auto Balance® & Waveform Control
  • Automatically balances cleaning and penetration when welding aluminum
  • Adjustable AC frequency (40–400 Hz) for arc focus control
  • Customizable wave shapes for precision welding performance
Advanced Arc Customization
  • AC Wave Shape control for tuning arc characteristics
  • Adjustable EP/EN balance for deeper penetration or increased cleaning
  • Pulse controls for improved heat management and weld control
Simple, Operator-Friendly Controls
  • Intuitive front panel with easy-to-use parameter adjustments
  • Memory settings for storing frequently used welding setups
  • Sequencer controls for full weld cycle customization
Available Packages
Aspect 375 Base Model (K3945-1)
  • Advanced AC/DC TIG and Stick welding capabilities
  • Ideal for shops requiring a powerful standalone TIG system
Aspect 375 Ready-Pak® (K3946-2)
  • Complete system including TIG torch, foot pedal, cooler, and accessories
  • Fully assembled and ready for immediate operation
  • Includes CoolArc® water cooling system and regulator kit
Applications
  • Aerospace and aviation welding
  • Motorsports and performance fabrication
  • Shipbuilding and structural welding
  • Precision fabrication and custom metalwork
  • Technical training and education
Why Choose the Aspect® 375 AC/DC?

The Aspect® 375 AC/DC is built for professionals who demand complete control over their welding process. With advanced arc tuning capabilities, intelligent automation features, and powerful AC/DC performance, this machine delivers the precision, consistency, and reliability required for the most demanding welding applications.

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