Akashic Guitar effects circuit lookup

1590D

Dead End FX

Ludwig Phase II

Category
Vibrato / Chorus· Modulation, Filter Wah, Filter
Price
$30.00in stock
Tags
Beyond More

From the vendor

No, you didn't read wrong. Yes... THAT Ludwig Phase II. One of the "Hen's Tooth to end all Hen's Teeth". Originally traced, tested and verified by Jimi Photon, Keppy, Ry, UKToecutter, digi2t, and a cast of thousands at DIYStompboxes, under the helpful eye of the effects Yoda himself, Mr. R.G. Keen. This is an updated board design from the previous version, which greatly reduces the amount of offboard wiring, as well as providing a multitude of test points for final tuning.

This isn't the easiest of builds. There's a lot going on here, so it's not recommended for amateurs builders. But, if you feel that your skills are up to the task, and had always dreamed of having a Phase II but couldn't manage to re-mortgage the homestead for an original one, this is your chance.

NOTE: These new boards replace the original R.G. Keen boards that we sold before. If you still have one of these board sets to build, fear not, the build document for those boards is still available in the Build Documents section of the shop.

Schematic

The schematic is in the vendor's build document, page 26. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 89 rows

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ocr read from an image · sch paired from the schematic · fixed corrected by hand. Check marked values against the build document.

RefValueNormalizedTypeNotes
Resistors 74
R147Ksch47k
R847Ksch47k
R94K7sch4.7k
R104K7sch4.7k
R114K7sch4.7k
R1247Ksch47k
R282K2sch2.2k
R292K2sch2.2k
R314K7sch4.7k
R394K7sch4.7k
R404K7sch4.7k
R4647Ksch47k
R4747Ksch47k
R644K7sch4.7k
R31Msch1M
R4500Ksch500k
R510Ksch10k
R610Ksch10k
R7220sch220
R13100Ksch100k
R146.8Ksch6.8k
R1510Ksch10k
R16100Ksch100k
R178.2Ksch8.2k
R18120Ksch120k
R196K8sch6.8k
R2010Ksch10k
R2115Ksch15k
R2447Ksch47k
R254K7sch4.7k
R274K7sch4.7k
R302K2sch2.2k
R7510Ksch10k
R224K7sch4.7k
R23680Ksch680k
R2647Ksch47k
R324.7Ksch4.7k
R33150Ksch150k
R3422Ksch22k
R3547Ksch47k
R3668Ksch68k
R374K3sch4.3k
R384.7Ksch4.7k
R41500sch500
R4212Ksch12k
R4310Ksch10k
R4422Ksch22k
R4547Ksch47k
R484K7sch4.7k
R4947Ksch47k
R50150Ksch150k
R5122Ksch22k
R734K7sch4.7k
R7750Ksch50k
R233Ksch33k
R7633Ksch33k
R552.7Ksch2.7k
R562.7Ksch2.7k
R572.7Ksch2.7k
R582.7Ksch2.7k
R592.7Ksch2.7k
R602.7Ksch2.7k
R612.7Ksch2.7k
R622.7Ksch2.7k
R632.7Ksch2.7k
R652.7Ksch2.7k
R662.7Ksch2.7k
R672.7Ksch2.7k
R682.7Ksch2.7k
R692.7Ksch2.7k
R702.7Ksch2.7k
R522.7Ksch2.7k
R532.7Ksch2.7k
R542.7Ksch2.7k
Capacitors 13
C44N7sch4.7n
C54N7sch4.7n
C21usch1u
C30.1uFsch100n
C70.1usch100n
C80.1usch100n
C104N7sch4.7n
C114N7sch4.7n
C1310usch10u
C110usch10u
C610usch10u
C910usch10u
C1250usch50u
Transistors 1
Q22N2646sch2N2646
Switches 1
ToggleDPDTschDPDTSwitch