Akashic Guitar effects circuit lookup
VOLUME

Enclosure not stated · 1 knob

Tagboard Effects

MXR Headphone AmpVerified

Based on the MXR Headphone Amp· 2 other boards clone it

Category
Utility
Controls
Volume
Build
Vero
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Amp, MXR, Utility
Open the layout at Tagboard Effects

From the post

Not a lot of info around, but this one is apparently simple little box that allows you to play at nighttime - without disturbing the missus. Seemed like a quick and painless schematic, but took me a few hours to finish...

Sort-of-requested by PaulR. :) I think i won't be posting anything more today. :D

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 17 rows

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RefValueNormalizedTypeNotes
Resistors 8
×310M10Mread from the layout by eye
×310K10kread from the layout by eye
×23.9K3.9kread from the layout by eye
×2100Ω100read from the layout by eye
×11K1kread from the layout by eye
×156K56kread from the layout by eye
×12M2Mread from the layout by eye
×14.7K4.7kread from the layout by eye
Capacitors 4
×1150pF150pread from the layout by eye
×1100nF100nread from the layout by eye
×347uF47uelectrolytic; read from the layout by eye
×14.7uF4.7uelectrolytic; read from the layout by eye
Diodes 1
×21N9141N914D1, D2; legend: try 1N4148; read from the layout by eye
Transistors 2
Q12N44012N4401legend: try 2N3904/2N3906; read from the layout by eye
Q22N44032N4403legend: try 2N3904/2N3906; read from the layout by eye
ICs 1
IC1TL071TL071read from the layout by eye
Potentiometers 1
VolumeC500KC500kPotentiometerrev. log; read from the layout by eye

Other boards based on the MXR Headphone Amp