TL072 12V High-Impedance Operational Amplifier Guitar Preamp Board

Upgrade your guitar signal chain with this compact TL072 12V High-Impedance Operational Amplifier Preamp Board. Designed for guitarists, musicians, and electronics enthusiasts, this versatile op-amp module delivers clean, stable signal amplification — making it an ideal building block for DIY guitar preamps, effects pedals, and instrument signal processing projects.

Key Features

TL072 Op-Amp IC: Industry-standard dual operational amplifier chip known for low noise and high input impedance — perfect for instrument-level signals.
12V Operating Voltage: Runs on a standard 12V supply, compatible with most guitar pedal and audio electronics power setups.
High-Impedance Input: Preserves your guitar's natural tone by minimizing signal loading at the input stage.
Compact Plastic Housing: Lightweight and durable at approximately 7.3 × 5 × 1.8 cm (2.87 × 1.97 × 0.71 in) — easy to integrate into pedalboards or enclosures.
3 Color Options: Choose from 3 available colors to match your build aesthetic.
No Batteries Required: Powered via external 12V source — no battery hassle.
Flexible Quantity: Available in 1, 2, or 3-piece packages — stock up for multiple projects.

Specifications

IC: TL072 Dual Op-Amp
Operating Voltage: 12V
Material: Plastic (housing/board)
Dimensions: 7.3 × 5 × 1.8 cm / 2.87 × 1.97 × 0.71 in
Batteries Included: No
Package Contents: 1, 2, or 3 pieces (as selected)

Who Is This For?

Whether you're a guitarist building your first DIY preamp, a hobbyist experimenting with audio electronics, or a technician prototyping signal conditioning circuits, this TL072 op-amp board offers the reliability and performance you need in a compact, affordable form factor. It also makes a great gift for electronics enthusiasts and musicians who love tinkering with gear.

For more information on how operational amplifiers work in audio applications, see this overview from the National Institute of Standards and Technology (NIST).

Frequently Asked Questions

Q: What is the TL072 and why is it popular for guitar preamp builds?

A: The TL072 is a dual JFET-input operational amplifier IC widely used in audio electronics. Its high input impedance, low noise characteristics, and clean signal handling make it a favorite among guitarists and DIY pedal builders for preamp stages, buffer circuits, and effects signal chains. This 12V board makes it easy to incorporate the TL072 into your own builds.

Q: What voltage does this op-amp board require?

A: This board operates on a 12V external power supply. No batteries are included or required. It is compatible with standard 12V DC power adapters commonly used in guitar pedal and audio electronics setups.

Q: What are the physical dimensions of this board?

A: The board measures approximately 7.3 × 5 × 1.8 cm (2.87 × 1.97 × 0.71 inches), making it compact enough to fit inside standard pedal enclosures or project boxes.

Q: Can I buy more than one at a time?

A: Yes! This product is available in packages of 1, 2, or 3 pieces, so you can stock up for multiple projects or builds at once.

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