aion CONSTELLATION Manual
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aion CONSTELLATION Manual

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Table of Contents

PROJECT NAME
CONSTELLATION
BASED ON
Shin-Ei Companion FY-2
EFFECT TYPE
Fuzz
PROJECT SUMMARY
An early silicon fuzz known for its scooped-midrange tone. This adaptation is updated with a switchable
volume boost stage as well as a control to dial back the scoop.
Actual size is 2.3" x 1.86" (main board) and 1.78" x 0.86" (bypass board).
CONSTELLATION VINTAGE FUZZ
BUILD DIFFICULTY
Easy
DOCUMENT VERSION
1.0.0 (2019-11-28)
1

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Summary of Contents for aion CONSTELLATION

  • Page 1 An early silicon fuzz known for its scooped-midrange tone. This adaptation is updated with a switchable volume boost stage as well as a control to dial back the scoop. Actual size is 2.3” x 1.86” (main board) and 1.78” x 0.86” (bypass board). CONSTELLATION VINTAGE FUZZ...

  • Page 2: Table Of Contents

    It’s not tremendously useful, so most people just leave it up all the way. The Constellation project is faithful to the original FY-2, with two additions: 1) a control to allow the characteristic mid-scoop to be dialed back into more of a flat EQ, and 2) an optional volume boost stage before the master volume control at the end.

  • Page 3: Parts List

    MLCC capacitor, X7R Power supply filter capacitor. 1N5817 Schottky diode, DO-41 2N3904 BJT transistor, NPN, TO-92 Substitute. Original uses 2SC536F (hFE 160-320) 2N3904 BJT transistor, NPN, TO-92 Substitute. Original uses 2SC536F (hFE 160-320) 2N3904 BJT transistor, NPN, TO-92 CONSTELLATION VINTAGE FUZZ...
  • 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. CONSTELLATION VINTAGE FUZZ...

  • Page 5: Schematic

    SCHEMATIC 100R 1N5817 100uF 100n BOOST_B BOOST_A FUZZ 50kB 2N3904 2N3904 2N3904 100n CONSTELLATION VINTAGE FUZZ...

  • Page 6: Drill Template

    VOLUME FUZZ x: -0.65, y: +1.71 x: 0.65, y: +1.71 ø9/32” ø9/32” BOOST SCOOP x: -0.85, y: +0.66 x: 0, y: +0.66 ø1/4” ø9/32” CENTER (0,0) FOOTSWITCH x: -0.775, y: -1.20 x: 0, y: -1.20 ø5/16” ø15/32” CONSTELLATION VINTAGE FUZZ...

  • Page 7: Enclosure Layout

    ENCLOSURE LAYOUT Enclosure is shown without jacks. See next page for jack layout and wiring. 125B CONSTELLATION VINTAGE FUZZ...

  • Page 8: 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. CONSTELLATION VINTAGE FUZZ...

  • Page 9: 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 (2019-11-28) Initial release. CONSTELLATION VINTAGE FUZZ...

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