KORG Nu:Tekt OD-S - DIY Overdrive Kit with Nutube, Dual Gain Controls, and True Bypass

KORG Nu:Tekt OD-S - DIY Overdrive Kit with Nutube, Dual Gain Controls, and True Bypass

The KORG Nu:Tekt OD-S is a DIY overdrive pedal kit that you can build yourself without any soldering . At its heart is the Nutube 6P1 tube , a fully analog triode that delivers a warm sound with rich harmonic response and classic tube character in a compact and efficient package. Designed for guitarists who want to push the boundaries, the OD-S lets you customize your tone from the get-go and beyond, thanks to dedicated controls and an easy-to-tweak layout.

On the panel, you'll find two gain controls : GAIN (adjusts the input level to the tube) and TUBE GAIN (modifies the anode loading of the Nutube circuit), allowing you to precisely shape the type of distortion and saturation. It also features true bypass to preserve your signal when the effect is off. Inside, a WIDE switch lets you toggle between two types of overdrive (full range with extended lows/highs, or cut with an emphasis on the mids), and a DOUBLE selector adds a series stage for extra oomph and volume. All housed in a rugged, stage-ready, die-cast aluminum enclosure .

Main features

• DIY Solderless Kit : Easy assembly and components designed for ease of assembly.
• Nutube 6P1 Tube : Authentic analog triode with tube dynamics and harmonics.
• Double gain : GAIN (input to the tube) + TUBE GAIN (anode load) to sculpt the saturation.
• Two overdrive flavors : internal WIDE switch (full range / midrange emphasis).
• DOUBLE mode (internal): adds series stage for more gain and level.
• True Bypass and TONE + VOLUME control on the panel.
• Flexible power supply : 9 V battery or DC 9 V adapter (stereo mini jack) with approx. 46 mA consumption.
• Battery life : approximately 10 hours with a 9V alkaline battery.
• Construction : Die-cast aluminum chassis and mod -ready design (op-amp in socket, schematics available).
• Size and weight : 122 × 96 × 55 mm ; 340 g (without battery).

Product benefits

• Your overdrive, your signature : adjust feel , compression and grain by combining GAIN and TUBE GAIN.
• True versatility : from transparent boost-like thrust to punchy midrange overdrive, ready for rhythms and solos.
• Signal Respect : True bypass to keep your tone intact when the effect is bypassed .
• Learning and modification platform : ideal for getting started with pedal electronics and customizing components.

Use cases

• Rhythm Guitar : Full-range drive with WIDE ON for open bass and brightness without losing dynamics.
• Solos : Activate DOUBLE for extra gain and volume; fine-tune your presence with TONE and TUBE GAIN.
• As a boost : High TUBE GAIN and moderate GAIN to push the amp preamp while maintaining clarity.

Frequently Asked Questions

• Do I need to solder? No. The OD-S is designed for solder-free assembly with basic tools.
• Where are WIDE and DOUBLE? They are internal switches on the main board; they are adjusted during or after assembly.
• What adapter do I need? DC 9V (recommended model KA181 ); also works with a 9V alkaline battery.

Description for projects

KORG Nu:Tekt OD-S solderless overdrive pedal kit; Nutube 6P1 ; controls: VOLUME , TONE , GAIN , TUBE GAIN , footswitch ON/OFF ( true bypass ); internal switches: WIDE (full range/midrange emphasis) and DOUBLE (two stages in series); audio inputs/outputs 6.3 mm mono jack ; power supply : 9 V battery or DC 9 V (stereo minijack); consumption 46 mA ; autonomy ≈10 h with alkaline battery; dimensions 122 × 96 × 55 mm; weight 340 g (without battery); die-cast aluminum case .