aion STRATUS Manual
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PROJECT NAME
STRATUS
BASED ON
Ibanez TS-9 Tube Screamer
EFFECT TYPE
Overdrive
PROJECT SUMMARY
The quintessential mid-hump overdrive pedal made famous by Stevie Ray Vaughan, and the source cir-
cuit behind dozens of high-dollar boutique pedals.
Actual size is 2.3" x 1.86" (main board) and 2.3" x 0.86" (bypass board).
STRATUS CLASSIC OVERDRIVE
BUILD DIFFICULTY
Easy
DOCUMENT VERSION
1.0.0 (2018-09-22)
1

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Summary of Contents for aion STRATUS

  • Page 1 PROJECT SUMMARY The quintessential mid-hump overdrive pedal made famous by Stevie Ray Vaughan, and the source cir- cuit behind dozens of high-dollar boutique pedals. Actual size is 2.3” x 1.86” (main board) and 2.3” x 0.86” (bypass board). STRATUS CLASSIC OVERDRIVE...
  • Page 2: Table Of Contents

    10 Document Revisions INTRODUCTION The Stratus Classic Overdrive is a recreation of the Ibanez TS-9 Tube Screamer, first released in 1979 as the OD-808 Overdrive by Maxon and then later licensed to Ibanez. Originally designed to compete with the Boss OD-1 Overdrive, the TS-808 and TS-9 added the now- famous tone control, but are otherwise very similar to the OD-1 with regards to the feedback diode- clipping arrangement.
  • Page 3: Parts List

    Original value is 51pF, but 47pF is the nearest standard value. No difference in tone. Film capacitor, 7.2 x 2.5mm 220n Film capacitor, 7.2 x 2.5mm 220n Film capacitor, 7.2 x 2.5mm Film capacitor, 7.2 x 3.5mm 100n Film capacitor, 7.2 x 2.5mm STRATUS CLASSIC OVERDRIVE...
  • Page 4 DC jack, 2.1mm panel mount Mouser 163-4302-E or equivalent. BATT Battery snap 9V battery snap Optional. Use the soft plastic type—the hard-shell type will not fit. 3PDT Stomp switch, 3PDT 125B Enclosure, die-cast aluminum Can also use a Hammond 1590N1. STRATUS CLASSIC OVERDRIVE...
  • Page 5: Build Notes

    There’s also a way to set it up for “less bass” if you want. Reduce the value of C4 to something like 33n to make the center position a bass-cut setting. Then make CX2 a 10n or 15n capacitor to put it very close to the 47n stock value. CX3 could be kept at 68n. STRATUS CLASSIC OVERDRIVE...
  • Page 6: Schematic

    SCHEMATIC 1N5817 100uF 47uF 100n Shown with TS-808 values. For TS-9, change R14 to 470R and R15 to 100k. 2N5088 IC1A IC1B JRC4558D JRC4558D TONE 2N5088 20kW 47pF 100R 220n 220n CLIP 500kB DRIVE STRATUS CLASSIC OVERDRIVE...
  • Page 7: Drill Template

    0.65, y: +1.71 ø9/32” ø9/32” BASS TONE CLIP x: -0.85, y: +0.66 x: 0, y: +0.66 x: +0.85, y: +0.66 ø1/4” ø9/32” ø1/4” CENTER (0,0) FOOTSWITCH x: -0.775, y: -1.20 x: 0, y: -1.20 ø5/16” ø15/32” STRATUS CLASSIC OVERDRIVE...
  • Page 8: Enclosure Layout

    ENCLOSURE LAYOUT Enclosure is shown without jacks. See next page for jack layout and wiring. 125B STRATUS CLASSIC OVERDRIVE...
  • Page 9: Wiring Diagram

    GND +V +V JACK GND JACK GND GND PCB 125B Shown with optional 9V battery. If battery is omitted, both jacks can be mono rather than one being stereo. Leave the far-right lug of the DC jack unconnected. STRATUS CLASSIC OVERDRIVE...
  • Page 10: Document Revisions

    (In other words: you don’t have to go out of your way to advertise the fact that you use these PCBs, but please don’t go out of your way to hide it. The guitar effects industry needs more transparency, not less!) DOCUMENT REVISIONS 1.0.0 (2018-09-22) Initial release. STRATUS CLASSIC OVERDRIVE...

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