Korg TR‑S Nutube Effect Pedal Kit: Build Your Own Tube Compressor
The Korg TR‑S is a DIY effect pedal kit featuring Nutube vacuum-tube tech for real tube-like compression and sag—no soldering required. All tools and parts are included for a quick build and rich sonic payoff.

Key Features:

• Nutube tube delivers tube amp compression dynamics and sag

• No-solder kit; includes tools and pick for assembly

• Four front panel knobs and three internal trimmers for fine-tuning

• Works great with guitar rigs and DAW setups

Technical Specifications:

• Power: 9 V (via 6x AA batteries or DC adapter)

• Power draw: 85 mA; battery life approx. 5 hours

• Dimensions: 122 × 96 × 55 mm

• Weight: 340 g (without batteries)

Perfect for guitarists, producers, and DIY enthusiasts craving real tube warmth and expressive compression without the hassle.