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aion Aurora Deluxe Manual

Compressor with clean blend
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PROJECT NAME
AURORA DELUXE
BASED ON
Keeley Compressor Plus
EFFECT TYPE
Compressor with clean blend
PROJECT SUMMARY
An expanded version of the classic Ross/Dyna Compressor with an added clean blend, treble control,
and output buffer.
Actual size is 2.3" x 2.42" (main board) and 1.78" x 0.86" (bypass board).
AURORA DELUXE COMPRESSOR
BUILD DIFFICULTY
Intermediate
DOCUMENT VERSION
1.0.0 (2023-11-24)
1

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Summary of Contents for aion Aurora Deluxe

  • Page 1 Compressor with clean blend 1.0.0 (2023-11-24) PROJECT SUMMARY An expanded version of the classic Ross/Dyna Compressor with an added clean blend, treble control, and output buffer. Actual size is 2.3” x 2.42” (main board) and 1.78” x 0.86” (bypass board). AURORA DELUXE COMPRESSOR...

  • Page 2: Table Of Contents

    Compressor Plus. The Aurora Deluxe is a direct adaptation based on our trace of the Compressor Plus. The only difference is that we added a third position to the Attack (Release) switch that simulates the 12:00 position on the original control.

  • Page 3: Parts List

    Metal film resistor, 1/4W Metal film resistor, 1/4W Metal film resistor, 1/4W Metal film resistor, 1/4W Metal film resistor, 1/4W Metal film resistor, 1/4W Metal film resistor, 1/4W Metal film resistor, 1/4W Metal film resistor, 1/4W Metal film resistor, 1/4W AURORA DELUXE COMPRESSOR...
  • Page 4 Electrolytic capacitor, 6.3mm Power supply filter capacitor. 47uF Electrolytic capacitor, 5mm Reference voltage filter capacitor. 47uF Electrolytic capacitor, 5mm Reference voltage filter capacitor. 100n MLCC capacitor, X7R Power supply filter capacitor. 1N5817 Schottky diode, DO-41 1N914 Fast-switching diode, DO-35 AURORA DELUXE COMPRESSOR...
  • Page 5 Switchcraft 111X or equivalent. 1/4" mono 1/4" phone jack, closed frame Switchcraft 111X or equivalent. 2.1mm DC jack, 2.1mm panel mount Mouser 163-4302-E or equivalent. 3PDT Stomp switch, 3PDT 125B Enclosure, die-cast aluminum Can also use a Hammond 1590N1. AURORA DELUXE COMPRESSOR...

  • Page 6: Build Notes

    2N5088 or BC549C. The Aurora Deluxe PCB uses the USA E-B-C convention for Q1-Q5, so the 2N5088 will be a direct fit. The BC549C or other European C-B-E convention transistors will need to be rotated 180 degrees from the PCB silkscreen.

  • Page 7: Schematic

    LM13700N 220uF 100n 47uF 47uF GND GND ATTACK 2N5088 2N5088 IC1B 2N5088 2N5088 150pF LM13700N 2N5088 10uF SUSTAIN 500KC GND GND GND GND GND IC2A RC4558P IC3B IC3A RC4558P IC2B RC4558P RC4558P 390R TONE 100kB 100k 47pF AURORA DELUXE COMPRESSOR...

  • Page 8: Drill Template

    0.65, y: +1.71 ø9/32” ø9/32” ATTACK x: 0, y: +1.06 SUSTAIN ø1/4” LEVEL x: -0.65, y: +0.41 x: 0.65, y: +0.41 ø9/32” ø9/32” CENTER (0,0) FOOTSWITCH x: -0.775, y: -1.775 x: 0, y: -1.775 ø5/16” ø15/32” AURORA DELUXE COMPRESSOR...

  • Page 9: Enclosure Layout

    ENCLOSURE LAYOUT Enclosure is shown without jacks. See next page for jack layout and wiring. 125B AURORA DELUXE COMPRESSOR...

  • Page 10: Wiring Diagram

    WIRING DIAGRAM NC OUT GND +V +V JACK GND JACK GND GND PCB 125B AURORA DELUXE COMPRESSOR...

  • Page 11: 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 (2023-11-24) Initial release. AURORA DELUXE COMPRESSOR...