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AUSTRALIA

Lemon Rockverb – Australia

€11.90

High gain JFET preamp inspired by Orange Rockerverb

Only 4 left in stock

FREE shipping for orders over €45.00
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Project overview

The Lemon Rockververb is an exclusive original design by PCB Mania, inspired by Orange Rockerverb, replacing the tubes for JFET to make it pedal-friendly.

Introduction

The Orange Rockerverb was initially developed a decade ago and got released by 2004 as the first high gain tube head by the British company in response to the need for extra gain from the modern players. But that is not what gives this marvelous preamp exclusively valuable for metal players; what makes this bad boy truly special is its versatile workhorse that will take you anywhere from classic British crunch to the very heaviest in modern metal.

Remember, this project requires sourcing some good quality JFET from trusted sources for proper functioning. We always recommend using SMD JFET as their reliability is far superior to the discontinued through-hole counterpart. Also, bear in mind this project requires bias the transistors correctly with the respective trim pots.

To do this correctly, plug the pedal into your 9v power supply/battery, grab your multimeter and plug the black terminal into any ground of the circuit. Simultaneously, with the read touch, the Drain legs of your transistors, if it’s done correctly, should appear how much voltage is receiving that leg.

Now turn the trimpot with a screwdriver till you can read 4.5v- or half of your power supply; in case you are using 18v- on the screen of your multimeter. Repeat this process with all transistors and their respective trimpots till all of them are measuring 4.5v, then proceed to do fine-tuning by ear on what you hear are the best settings of each transistor.

Don’t forget to share your favorite bias settings and pictures of your build on our Facebook group!

Controls

  • Preamp
  • Gain
  • Volume
  • Bass
  • Treble
  • Mids

 

This product is shipped locally from Bairnsdale, Victoria, and it’s exclusively for our Australian customers.

For any technical questions regarding this build don’t forget to check out our Facebook Group and our forum at Free Stomp Boxes.

Lemon Rockverb 1v3 – Building Docs (16th February 2023)

Lemon Rockverb 1.3v – Building Docs (28th October 2021)

Lemon Rockverb 1v – Building Docs

Lemon Rockverb – Drilling Template

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