Aion Electronics BOSS DC-2 Dimension C Manual - Página 2
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Blueshift Chorus
BOSS DC-2 Dimension C
Overview
This is a faithful clone of the BOSS DC-2 Dimension C, widely regarded as the best stompbox chorus ever
made as well as being one of the most coveted Boss pedals out there. Originally manufactured from 1985 to
1989, it was a guitar pedal adaptation of the revered Roland SDD-320 Dimension D rack unit.
It's different from other choruses in that there are actually two clock+BBD pairs, each powered by either the
inverted or non-inverted output of a single LFO. These BBDs then modulate the dry signal so that signal "A"
reaches its maximum delay time when signal "B" reaches its minimum and vice versa. Since the average
remains constant, this effect is referred to as motionless because it doesn't have the signature "warble" or
unsteadiness of a traditional chorus with a single BBD.
Table of contents
1.
Warning / Disclaimer
2.
Intro / Overview
3.
Usage instructions;
differences from original circuit
4.
Parts
5.
Parts continued; part notes
6.
Part notes; parts spreadsheet
7.
Adjustments & calibration
8.
Adjustments & calibration, cont.
BLUESHIFT CHORUS / BOSS DC-2 DIMENSION C
See pg. 8 for a larger image of the PCB layout.
9.
Schematic
10. Enclosure drill template
11. PCB layout close-up
12. Enclosure layout
13. Enclosure wiring, standard bypass
14. Enclosure wiring, mininmalist bypass
15. Bypass methods overview
16. General build instructions
17. Build checklist; disclaimer & licensing
Blueshift Project Link
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