Akashic Guitar effects circuit lookup
DRIVETONEVOLUME

Enclosure not stated · 3 knobs

Tagboard Effects

JHS Morning GloryVerified

Based on the JHS Morning Glory· 6 other boards clone it

Category
Overdrive
Controls
Drive · Tone · Volume
Build
Vero· 21×15· 21 cuts, 8 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
JHS, Overdrive

From the post

Modded Blues Breaker.. Personally i have pretty high hopes for the circuit...

There’s a lot of hype out there these days with overdrive pedals and the last thing we want to do is to add to the noise.

As you may already know, almost every boutique overdrive on the market is a modified Tubescreamer of some sort; we have decided to take a different approach.

The Morning Glory is a very transparent tone-shaping tool that is the result of several years of building, gigging, tweaking and improving on the original Marshal Bluesbreaker design. We improved vastly on the BB while maintaining what made it a great pedal in the first place. It now has around 4X more headroom, 2X the available gain, and a more useful tone control. The “Bright Cut” toggle allows the perfect level of EQ for your rig.

You will notice immediately how touch sensitive and dynamic the feel of this pedal is. The frequencies are perfectly balanced and the tone knob reacts as a high frequency roll off. The drive allows you a huge range of tones from “little wing-ish” chime to classic rock era bite. If you’re a Strat player, this pedal will bring you sounds that you may have thought impossible. If you like the Les Paul, get ready to discover a new pallet of sounds that you won’t be able to live without.

With enough clean headroom to be used as a boost as well as a hefty amount of drive, this may be your go-to pedal for good.

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 29 rows

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RefValueNormalizedTypeNotes
Resistors 13
×21M1Mread from the layout by eye
×247K47kread from the layout by eye
×26.8K6.8kread from the layout by eye
×212K12kread from the layout by eye
×13.3K3.3kread from the layout by eye
×14.7K4.7kread from the layout by eye
×12.2M2.2Mread from the layout by eye
×11K1kread from the layout by eye
×1100K100kread from the layout by eye
×110K10kread from the layout by eye
×122K22kread from the layout by eye
×1220K220kread from the layout by eye
×168K68kread from the layout by eye
Capacitors 8
×4100nF100nread from the layout by eye
×410nF10nread from the layout by eye
×147nF47nread from the layout by eye
×147pF47pread from the layout by eye
×1470pF470pread from the layout by eye
×12.2uF2.2uelectrolytic; read from the layout by eye
×210uF10uelectrolytic; read from the layout by eye
×2100uF100uelectrolytic; read from the layout by eye
Diodes 2
D11N58171N5817read from the layout by eye
×41N41481N4148D2-D5; Si, 1N4148 or 1N914; read from the layout by eye
Transistors 1
×12N54572N5457JFET; read from the layout by eye
ICs 1
IC1LM833LM833read from the layout by eye
Potentiometers 3
DriveB100KB100kPotentiometerread from the layout by eye
ToneB25KB25kPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye
Switches 1
Bright cutSPSTSPSTSPST or SPDT; read from the layout by eye

Other boards based on the JHS Morning Glory