Akashic Guitar effects PCB lookup
INTENSELEVELTHROBVOICERATE

125B · 5 knobs

PCB Guitar Mania

Submarine Device SMD

Based on the EQD the Depths· 4 other boards clone it

Category
Vibrato / Chorus· Analog Optical Vibe Machine
Controls
Intense · Level · Throb · Voice · Rate
Difficulty
Easy
Price
€21.90out of stock
Tags
smd

Heads up Builders widely report inconsistent quality from PCB Guitar Mania boards, and whether a given board works is a gamble. Read recent forum reports before ordering.

From the vendor

About The Pedal Creators

Everyone can build excellent boutique guitar pedals. Everything we do is to make that experience more accessible and user-friendlier. The Pedal Creators series are the best and easiest to build PCBs ever. Including most resistors and capacitors already soldered on board as SMD components, leaving the key values for you to experiment and craft your own tone. Now you can build a pedal you are proud of in less than an hour without any previous experience. What are you waiting for to become a Pedal Creator?

The Pedal creators – key features:

• Easy to build, no previous experience required. It’s like Lego for musicians.

• Fast assembly, finish a pedal in less than an hour. Play your favorite record and enjoy the ride along.

• 100% mistake-proof. Even my grandma can build one while she cooks.

• Build your own boutique pedal. Experiment with different values and make the pedal you always dreamed of.

• Easy to scale. Turn your passion into a money-making machine.

Project overview

Welcome to your new Optical Vibe Machine! With roots on the classic Uni-vibe, the guys from Akron, Ohio, did a serious job updating that classic pedal for the 21st-century demands with the same lush, pulsating, three-dimensional swirling sound you know and love and some modern accouterments for all you land-lubbers out there.

Designed to use with all kinds of instruments, pickups, and to play well with dirt, so nobody’s left waiting on shore!

Introduction

The guys at Earthquaker made some improvements to the original circuit. Smaller, more reliable by using LEDs instead of light bulbs. Able to run it at 9v-18v and adding some extra controls. So there was not much left for us to do but giving you an extra tonal option. Via toggle switch and bi Color led, you can get even more sounds out of it than the original provides. I highly recommend using sockets to experiment with the LEDs and solder the LDR’s in after getting an idea of how tall the led in the sockets will be. So you can match the height. While the original EQD unit uses a yellow LED, you could use a green/yellow led. With a minor difference in sound or a red/blue difference, there is way more present without a need to touch any knob, but it’s overall a bit sharper sounding. Personally, I used a single Color orange diffused led for a tone that made me more than happy. In case you‘re so in love with one specific LED, you can leave the toggle out and solder a jumper. I highly recommend experiment

Schematic

The schematic is in the vendor's build document, page 6. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 21 rows

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RefValueNormalizedTypeNotes
Capacitors 9
C71u1u
C81u1u
C9100u100u
C1010u10u
C111u1u
C121u1u
C131u1u
C1447u47u
C1547u47u
Diodes 1
D11N40011N4001
Transistors 2
Q1MPSA18MPSA18
Q2MPSA18MPSA18
ICs 2
IC1TL072TL072
IC2TL074TL074
Potentiometers 5
INTENSEB25KB25kPotentiometer
LEVELA100KA100kPotentiometer
THROBB25KB25kPotentiometer
VOICEB10KB10kPotentiometer
RATEB100KB100kPotentiometer
Switches 1
SW1SPDTSPDT
LEDs 1
D2LEDSTATUS-LEDLEDSTATUS-LED

Other boards based on the EQD the Depths