Akashic Guitar effects PCB lookup
CONTOURPROCESSMIDRANGE

125B · 3 knobs

Aion FX

LuminSonic Enhancer

Based on the BBE Sonic Maximizer· 1 other board clones it

Category
EQ / Filter· EQ / Sonic Enhancer
Controls
Contour · Process · Midrange
Difficulty
Easy
Price
$12.50in stock

From the vendor

A unique tone-shaping tool that allows you to enhance the clarity of your signal by phase-correcting the low, mid and high frequencies separately.

The Lumin Sonic Enhancer is a work-alike of the BBE Sonic Stomp, the single-channel stompbox version of the rackmounted Sonic Maximizer 482i / 882i, first released in the late 1980s.

The sound is often described as like taking a blanket off your speaker. It adds clarity and definition to your tone and can be adjusted to suit a wide variety of rigs and settings.

The original unit uses a proprietary analog IC manufactured by New Japan Radio that contains the core of the circuit. The Lumin is a reverse-engineered expansion of the circuit on that chip, but it should be stressed that it is not a clone, because the chip implementation is patented. A midrange knob has been added along with switches to set the frequencies of the Process and Contour knobs.

The Lumin works equally well for electric guitar, acoustic guitar, and bass guitar, but the default configuration in the parts list is best suited for electric and acoustic guitar.

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 55 rows

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RefValueNormalizedTypeNotes
Resistors 22
R11k1kMetal film resistor, 1/4W
R31M1MMetal film resistor, 1/4W
R41k1kMetal film resistor, 1/4W
R51k1kMetal film resistor, 1/4W
R61M1MMetal film resistor, 1/4W
R722k22kMetal film resistor, 1/4W
R822k22kMetal film resistor, 1/4W
R922k22kMetal film resistor, 1/4W
R1010k10kMetal film resistor, 1/4W
R1122k22kMetal film resistor, 1/4W
R1222k22kMetal film resistor, 1/4W
R1322k22kMetal film resistor, 1/4W
R1422k22kMetal film resistor, 1/4W
R1515k15kMetal film resistor, 1/4W
R1610k10kMetal film resistor, 1/4W
R1762k62kMetal film resistor, 1/4W
R18100k100kMetal film resistor, 1/4W
R191k1kMetal film resistor, 1/4W
R2047k47kMetal film resistor, 1/4W
R2147k47kMetal film resistor, 1/4W
RPD2M22.2MMetal film resistor, 1/4WInput pulldown resistor.
LEDR10k10kMetal film resistor, 1/4WLED current-limiting resistor.
Capacitors 17
C1100pF100pMLCC capacitor, NP0/C0G
C24n74.7nFilm capacitor, 7.2 x 2.5mm
C310uF10uElectrolytic capacitor, 5mm
C42n72.7nFilm capacitor, 7.2 x 2.5mm
C52n22.2nFilm capacitor, 7.2 x 2.5mmSee build notes for details on modifications.
C66n86.8nFilm capacitor, 7.2 x 2.5mmSee build notes for details on modifications.
C718n18nFilm capacitor, 7.2 x 2.5mm
C815n15nFilm capacitor, 7.2 x 2.5mmSee build notes for details on modifications.
C956n56nFilm capacitor, 7.2 x 2.5mmSee build notes for details on modifications.
C10100pF100pMLCC capacitor, NP0/C0G
C1110uF10uElectrolytic capacitor, 5mm
C12100uF100uElectrolytic capacitor, 6.3mmPower supply filter capacitor.
C13100uF100uElectrolytic capacitor, 6.3mmReference voltage filter capacitor.
C14100n100nMLCC capacitor, X7RPower supply filter capacitor.
C15100n100nMLCC capacitor, X7RPower supply filter capacitor. (IC1)
C16100n100nMLCC capacitor, X7RPower supply filter capacitor. (IC2)
C17100n100nMLCC capacitor, X7RPower supply filter capacitor. (IC3)
Diodes 1
D11N58171N5817Schottky diode, DO-41
ICs 3
IC1TL072TL072Operational amplifier, DIP8
IC2TL072TL072Operational amplifier, DIP8
IC3TL072TL072Operational amplifier, DIP8
Potentiometers 3
CONT.50kBB50k16mm right-angle PCB mount pot
PROC.50kBB50k16mm right-angle PCB mount pot
MID50kBB50k16mm right-angle PCB mount pot
Switches 1
FSW3PDT3PDTStomp switch, 3PDT
Jacks & sockets 6
IC1-SDIP-8 socketDIP-8 SOCKETIC socket, DIP-8
IC2-SDIP-8 socketDIP-8 SOCKETIC socket, DIP-8
IC3-SDIP-8 socketDIP-8 SOCKETIC socket, DIP-8
IN1/4" stereo1/4" STEREO1/4" phone jack, closed frameSwitchcraft 112BX or equivalent.
OUT1/4" mono1/4" MONO1/4" phone jack, closed frameSwitchcraft 111X or equivalent.
DC2.1mm2.1MMDC jack, 2.1mm panel mountMouser 163-4302-E or equivalent.
Hardware 2
BATTBattery snapBATTERY SNAP9V battery snapOptional. Use the soft plastic type—the hard-shell type will not fit.
ENC125B125BEnclosure, die-cast aluminumCan also use a Hammond 1590N1.

Other boards based on the BBE Sonic Maximizer