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PROJECT NAME
SILVANUS
BASED ON
Xotic SL Drive
EFFECT TYPE
Amp-like overdrive
PROJECT SUMMARY
An overdrive inspired by the Marshall Super Lead Model 1959 and Super Bass amplifiers, famously used
by Jimmy Page and Jimi Hendrix.
Actual size is 2.3" x 1.86" (main board) and 2.3" x 0.86" (bypass board).
SILVANUS AMP DRIVE
BUILD DIFFICULTY
Easy
DOCUMENT VERSION
1.0.1 (2023-11-27)
1
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Table of Contents
Related Manuals for aion Silvanus
Summary of Contents for aion Silvanus
- Page 1 PROJECT SUMMARY An overdrive inspired by the Marshall Super Lead Model 1959 and Super Bass amplifiers, famously used by Jimmy Page and Jimi Hendrix. Actual size is 2.3” x 1.86” (main board) and 2.3” x 0.86” (bypass board). SILVANUS AMP DRIVE...
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Page 2: Table Of Contents
10 Licensing 6 Schematic 10 Document Revisions INTRODUCTION The Silvanus Amp Drive is based on the Xotic SL Drive, first released in the summer of 2013 and traced by Aion FX in 2023. The SL Drive was designed to emulate the tone of an overdriven Marshall Super Lead (hence SL) Model 1959 or Super Bass amplifier, calling to mind famous users of these amps such as Jimmy Page and Jimi Hendrix. -
Page 3: Parts List
MLCC capacitor, NP0/C0G 150n Film capacitor, 7.2 x 2.5mm Film capacitor, 7.2 x 2.5mm 47pF MLCC capacitor, NP0/C0G 100n Film capacitor, 7.2 x 2.5mm Film capacitor, 7.2 x 3.5mm Film capacitor, 7.2 x 2.5mm Film capacitor, 7.2 x 2.5mm SILVANUS AMP DRIVE... - 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. SILVANUS AMP DRIVE...
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Page 5: Build Notes
1uF film capacitor in this position and omit C12. (1uF is the value used in the RAT, which the SL Drive is loosely based on.) However, if you want to stick as closely as possible to the original circuit, use 10uF for C12 and omit C11. SILVANUS AMP DRIVE... -
Page 6: Schematic
SCHEMATIC 100R 1N5817 100uF 47uF 100n IC1 is sanded down in original and the exact type is unknown. Try JRC4558D or LM833N. IC1B 47pF 100n 150n 390pF 180k SW2B DRIVE 500kB TONE 50kC 390R 2N5457 SILVANUS AMP DRIVE... -
Page 7: Drill Template
VOLUME DRIVE x: -0.65, y: +1.71 x: 0.65, y: +1.71 ø9/32” ø9/32” TONE CLIP x: 0, y: +0.66 x: +0.85, y: +0.66 ø9/32” ø1/4” CENTER (0,0) FOOTSWITCH x: -0.775, y: -1.20 x: 0, y: -1.20 ø5/16” ø15/32” SILVANUS AMP DRIVE... -
Page 8: Enclosure Layout
ENCLOSURE LAYOUT Enclosure is shown without jacks. See next page for jack layout and wiring. 125B SILVANUS AMP DRIVE... -
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. SILVANUS AMP DRIVE... -
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 1.0.1 (2023-11-27) Added note about IC selection. 1.0.0 (2023-11-24) Initial release. SILVANUS AMP DRIVE...
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