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PROJECT NAME
AZIMUTH
BASED ON
Hermida / Lovepedal Zendrive
EFFECT TYPE
Overdrive
PROJECT SUMMARY
The first overdrive that attempted to replicate the tone of the legendary Dumble amplifiers. A favorite
of blues guitarists, and with its low parts count, a great project for beginners.
Actual size is 2.3" x 1.86" (main board) and 2.3" x 0.86" (bypass board).
AZIMUTH DYNAMIC OVERDRIVE
BUILD DIFFICULTY
Beginner
DOCUMENT VERSION
1.1.0 (2020-01-07)
1
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Summary of Contents for aion Azimuth
- Page 1 The first overdrive that attempted to replicate the tone of the legendary Dumble amplifiers. A favorite of blues guitarists, and with its low parts count, a great project for beginners. Actual size is 2.3” x 1.86” (main board) and 2.3” x 0.86” (bypass board). AZIMUTH DYNAMIC OVERDRIVE...
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Page 2: Table Of Contents
Voice control is turned up. Despite the legendary stature of the Zendrive, the circuit has among the lowest parts count of any Aion FX project and is a very good starting point for new builders. -
Page 3: Parts List
BAT41 Schottky diode, DO-35 BAT41 Schottky diode, DO-35 Some versions of the Zendrive use a 1N34A germanium diode here. BAT41 Schottky diode, DO-35 2N7000 MOSFET, N-channel, TO-92 2N7000 MOSFET, N-channel, TO-92 NE5532P Operational amplifier, DIP8 LED, 5mm AZIMUTH DYNAMIC 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. AZIMUTH DYNAMIC OVERDRIVE...
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Page 5: Schematic
SCHEMATIC 100R 1N5817 47uF 100n 100uF GND GND TONE IC1A 50kB IC1B NE5532 NE5532 100pF 2N7000 BAT41 1N34a BAT41 2N7000 100n 500kB GAIN AZIMUTH DYNAMIC OVERDRIVE... -
Page 6: Drill Template
VOLUME GAIN x: -0.65, y: +1.71 x: 0.65, y: +1.71 ø9/32” ø9/32” TONE VOICE x: -0.65, y: +0.41 x: 0.65, y: +0.41 ø9/32” ø9/32” CENTER (0,0) FOOTSWITCH x: -0.775, y: -1.20 x: 0, y: -1.20 ø5/16” ø15/32” AZIMUTH DYNAMIC OVERDRIVE... -
Page 7: Enclosure Layout
ENCLOSURE LAYOUT Enclosure is shown without jacks. See next page for jack layout and wiring. 125B AZIMUTH DYNAMIC 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. AZIMUTH DYNAMIC OVERDRIVE... -
Page 9: Document Revisions
The guitar effects industry needs more transparency, not less!) DOCUMENT REVISIONS 1.1.0 (2020-01-07) Added C8 and R8 (improved power filtering) for consistency with other boards. 1.0.1 (2018-08-14) Minor formatting adjustments. 1.0.0 (2018-07-04) Initial release. AZIMUTH DYNAMIC OVERDRIVE...
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