Akashic Guitar effects PCB lookup
DRIVEBASSLEVELMIDS

1590BB · 4 knobs

PCB Guitar Mania

Sun Beta Lead

Based on the Sunn Beta Lead

Category
Overdrive· Pre-amp
Controls
Drive · Bass · Level · Mids
Difficulty
Average
Price
€11.90out of stock

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

Project overview

Inspired by Sunn Beta amplifiers series. Combining the best of the Lead and Bass versions at the flick of a switch.

Introduction

If you love nasty and gritty stoner grunge sludgy doom tones, the Sun Beta lead will nail all your dirty deeds!

Inspired by one of the most famous solid-state amps, this board combines the best of both versions bass and lead versions, just at the flick of a switch, making it suitable for standard tunings and lower sludgy dropped strings or bass!

This preamp is nothing related to anything you have seen before, presenting a unique design, tone, or functionality. Its EQ is super powerful and certainly doesn’t requires to have Tube Screamer in front of it to tighten up its tone. The magic of this amp is on its sludginess and grit. Why would you like to tighten up that?

But does it DOOOOOOM? for sure it does! Crank the drive at max and play some pentatonic glissandos on your drop-down favorite humbucker guitar. It will melt your face off into a sea of grungy sludginess doom.

Controls

• Drive

• Bass

• Level

• Mids

• Treble

For further analysis on this circuit take a look at this thread on Free Stomp Boxes Forum.

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

Sun Beta Lead 1v3 – Building Docs

Sun Beta Lead – Building Docs

Sun Beta Lead – Drilling templates

Schematic

The schematic is in the vendor's build document, page 5. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 93 rows

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RefValueNormalizedTypeNotes
Resistors 37
R11m1M
R247k47k
R347k47k
R42m20.0022
R5100k100k
R6120k120k
R71m1M
R8100k100k
R947k47k
R10330k330k
R1122k22k
R1268k68k
R1322k22k
R1468k68k
R1510k10k
R16100k100k
R17100k100k
R18470k470k
R19100k100k
R20120k120k
R2115k15k
R224k74.7k
R2310k10k
R24330k330k
R251m1M
R261k51.5k
R271m1M
R2812k12k
R2922k22k
R3015k15k
R313k33.3k
R3212k12k
R3333k33k
R3412k12k
R35220k220k
R36150r150
R37470r470
Capacitors 36
C36220u220u
C1200p200p
C22.2u2.2u
C333p33p
C42.2u2.2u
C55p5p
C647n47n
C72n22.2n
C882p82p
C92.2u2.2u
C102.2u2.2u
C1233p33p
C132.2u2.2u
C1456n56n
C158n28.2n
C1615n15n
C172.2u2.2u
C18100n100n
C1947n47n
C202.2u2.2u
C212.2u2.2u
C2222n22n
C238n28.2n
C245n5n
C2527n27n
C2747n47n
C1110u10u
C26100u100u
C2810u10u
C2910u10u
C30100u100u
C31100u100u
C32100u100u
C33220u220u
C3410u10u
C35220u220u
Diodes 9
D01n58171N5817
D11n41481N4148
D21n41481N4148
D31n47421N4742
D41n58171N5817
D51n58171N5817
D61n58171N5817
D71n58171N5817
D81n58171N5817
ICs 6
IC1JRC4558JRC4558
IC2CD4069CD4069
IC3JRC4558JRC4558
IC4JRC4558JRC4558
IC5JRC4558JRC4558
IC6LT1054*LT1054
Potentiometers 4
DRIVE1MBB1MPotentiometer
BASS100KBB100kPotentiometer
LEVEL100KBB100kPotentiometer
MIDS100KBB100kPotentiometer
Switches 1
SW14PDT4PDT