aion PROCYON Manual
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aion PROCYON Manual

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PROJECT NAME
PROCYON
BASED ON
BJFe Honey Bee Overdrive
EFFECT TYPE
Overdrive
PROJECT SUMMARY
A workalike of one of the original hand-made boutique pedals, originally modeled after vintage Supro
amps and noted for its dynamic low-gain tone.
Actual size is 2.3" x 1.86" (main board) and 2.3" x 0.86" (bypass board).
PROCYON NATURAL OVERDRIVE
BUILD DIFFICULTY
Beginner
DOCUMENT VERSION
1.0.0 (2018-08-22)
1

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Summary of Contents for aion PROCYON

  • Page 1 A workalike of one of the original hand-made boutique pedals, originally modeled after vintage Supro amps and noted for its dynamic low-gain tone. Actual size is 2.3” x 1.86” (main board) and 2.3” x 0.86” (bypass board). PROCYON NATURAL OVERDRIVE...

  • Page 2: Table Of Contents

    6 Drill Template INTRODUCTION The Procyon Natural Overdrive is a clone of the BJFe Honey Bee Overdrive, a circuit first released in 2002 that is credited for starting the “low gain overdrive” trend. The circuit itself is a rather unique overdrive design, incorporating both soft and hard clipping and utilizing frequency-dependent negative feedback from different points in the circuit, for a result that is often called “amplike”...

  • Page 3: Parts List

    220n in the BearFoot version. Film capacitor, 7.2 x 3.5mm Film capacitor, 7.2 x 2.5mm Film capacitor, 7.2 x 2.5mm Film capacitor, 7.2 x 2.5mm Film capacitor, 7.2 x 2.5mm Film capacitor, 7.2 x 3.5mm Film capacitor, 7.2 x 2.5mm PROCYON NATURAL 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. PROCYON NATURAL OVERDRIVE...

  • Page 5: Schematic

    SCHEMATIC 31k6 N5817 100uF 22uF 100n GND GND 100pF 2N5457 CA3130EZ 5MM LED 5MM LED 220n 500kA DRIVE NATURE 50kA PROCYON NATURAL OVERDRIVE...

  • Page 6: Drill Template

    INCH 0.625” 0.625” ø3/8” ø3/8” ø1/2” VOLUME DRIVE x: -0.65, y: +1.71 x: 0.65, y: +1.71 ø9/32” ø9/32” NATURE x: 0, y: +0.66 ø9/32” CENTER (0,0) FOOTSWITCH x: -0.775, y: -1.20 x: 0, y: -1.20 ø5/16” ø15/32” PROCYON NATURAL OVERDRIVE...

  • Page 7: Enclosure Layout

    ENCLOSURE LAYOUT Enclosure is shown without jacks. See next page for jack layout and wiring. 125B PROCYON NATURAL OVERDRIVE...

  • 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. PROCYON NATURAL OVERDRIVE...

  • 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 (2018-08-22) Initial release. PROCYON NATURAL OVERDRIVE...

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