Mad Bean Pedals Aquababy Manual Download Page 11 | Manualshive

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Schematic

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Summary of Contents for Aquababy

Page 1: ...f you have frequency measurement on your DMM adjust the Clock trimmer to about 6 5kHz while probing either pin2 or pin4 of IC5 If you don t have this feature set the Clock trim half way up note this is when using a 9v supply Audio probe pin3 of IC3 while either strumming the guitar or send some audio through the input of the circuit Adjust the BIAS trimmer until you get delay passing The range ove...

Page 2: ...Layout Traces ...

Page 3: ...00k C12 10uF IC4 MN3101 R13 10k C13 6n8 Trimmers R14 10k C14 82n BIAS 20k R15 10k C15 330pF CANCEL 10k R16 10k C16 1uF CLOCK 1M R17 10k C17 1uF Pots R18 10k C18 2n2 DELAY 1MB R19 100k C19 33n FDBK 50kB R20 100k C20 1n MIX 50kB R21 100k C21 39n R22 10k C22 330pF R23 10k C23 1uF R24 10k C24 220n R25 10k C25 100pF R26 10k C26 1uF R27 10k C27 1uF R28 10k C28 100n R29 47k C29 1uF R30 22k C30 100pF R31 ...

Page 4: ...in 1uF 1 Film 25v min 1uF 7 Electrolytic 25v min 10uF 4 Electrolytic 25v min 22uF 1 Electrolytic 25v min 100uF 1 Electrolytic 25v min 1N4001 1 1n914 1 MPSA18 4 or other BJT 4558 1 NE570 1 MN3005 1 MN3101 1 20k 1 Bourns 3362p 10k 1 Bourns 3362p 1M 1 Bourns 3362p 1MB 1 Solder Lug 16mm 50kB 2 Solder Lug 16mm You can use either 20k or 25k for the trimmer if you cannot get a 22k You can use either NOS ...

Page 5: ...62p 1M https www mouser com ProductDetail Bourns 3362P 1 105LF qs sGAEpiMZZMvygUB3GLcD7kddhVJPyV2kST 8Lo8Gl 252B 2F8 3D 16mm Solder Lug pots http smallbear electronics mybigcommerce com alpha single gang 16mm solder terms linear audio taper If you want to build the Aquababy with modulation like I did see my build pic later in this doc this is the dual pot I used http smallbear electronics mybigcom...

Page 6: ...Wiring ...

Page 7: ...1590B Drill Guide 3 pots ...

Page 8: ...1590B Drill Guide 4pots If you are a real glutton for punishment and want to try the dual concentric pots for modulation ...

Page 9: ...clude a series resistor This is the wiring I used for the mod board I did use a 1550B instead of 1590B enclosure though I don t remember the exact value I used for the resistor It might have been 220k or small er The idea is to pick the right value so when the Depth is turned all the way down the modulation is essentially cut off To be clear I do not recommend trying modulation with the Aquababy u...

Page 10: ...9 5 4 7 5 1 84 5 0 5 3 88 6 4 7 6 1 83 6 4 38 6 4 72 7 4 7 7 3 03 7 4 27 7 4 25 8 9 41 8 1 84 8 0 59 8 0 59 9 1 84 10 3 1 11 3 1 12 1 84 13 9 41 14 1 84 15 1 84 16 0 9 One Spot 9 42vDC Current Draw 13mA Clock Frequency 6 44kHz at max Delay setting Clock frequency depends on where the Clock trim is set IC3 pin7 depends on where the Bias trim is set ...

Page 11: ...Schematic ...

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