This is a library of perfboard and single-sided PCB effect layouts for guitar and bass. I'm not an electrical engineer by any stretch of the imagination, just a DIY'er who likes drawing layouts. It is meant for the hobbyist (so commercial use of any of these layout is not allowed without permission) and as a way to give back to the online DIY community.
Here's an interesting Fuzz Face variation designed by Bjorn for Fuzz Friday. Here's the schematic for reference. It can also be purchased as a kit from Moody Sounds out of Sweden. Should be an easy fit in a 1590B.
Awesome, I was interested in trying this one! If you get around to it, would be great to have a layout for the Bonebender II also. I built the Bonebender 1 and it is pretty nice.
Your transistors are probably unbiased. Adjust the 500k trim pot till it sounds right, and if that doesn't work, you may need to adjust the value of the 10k resistors from +9v to the collector of Q2.
I take a look at schematic and component at Moody website and report a 220 nf (?) electrolytic polarized condensator instead the 220 nf non electrolytic in your schematics. Maybe is this the error? Electrolytic 220 mf can be the right one?
Their schematic and parts list calls for 220nF electrolytic. This is kind of an odd value for an electrolytic, so I replaced with a 220nF film capacitor, since most people are more likely to have that in their parts stash than the 220nF electrolytic. The value is correct though and the type of capacitor shouldn't have any influence on the functionality of the circuit.
I didn't have a C5k pot for the gain control, so I tried a B5k and then a B2k. Both of them sounded muffled when not set high, similar to the standard fuzz face gain control. I then tried a C1K pot, which sounds good throughout its range and has a nice taper.
I guess the saturation pot is supposed to help with impedance matching with other effects or buffers in front. As far as controlling the sound of the pedal, I think a pre-gain pot would be better.
Awesome, I was interested in trying this one! If you get around to it, would be great to have a layout for the Bonebender II also. I built the Bonebender 1 and it is pretty nice.
ReplyDeleteI tried to build it but there is a problem. The sound that comes out is very very low, almost inaudible. Any suggestions?
ReplyDeleteYour transistors are probably unbiased. Adjust the 500k trim pot till it sounds right, and if that doesn't work, you may need to adjust the value of the 10k resistors from +9v to the collector of Q2.
DeleteI try adjust bias without result. Next step is change value of the resistor.
Deletetry till 3,6k resistor value without result A litte increase of volume output and sound very muddy.
DeleteI take a look at schematic and component at Moody website and report a 220 nf (?) electrolytic polarized condensator instead the 220 nf non electrolytic in your schematics. Maybe is this the error? Electrolytic 220 mf can be the right one?
ReplyDeleteTheir schematic and parts list calls for 220nF electrolytic. This is kind of an odd value for an electrolytic, so I replaced with a 220nF film capacitor, since most people are more likely to have that in their parts stash than the 220nF electrolytic. The value is correct though and the type of capacitor shouldn't have any influence on the functionality of the circuit.
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ReplyDeletein fact, seeing the value too low for an electrolytic I thought this was the error :-)
DeleteVerified.
ReplyDeleteSounds like a fuzz face.
I didn't have a C5k pot for the gain control, so I tried a B5k and then a B2k. Both of them sounded muffled when not set high, similar to the standard fuzz face gain control. I then tried a C1K pot, which sounds good throughout its range and has a nice taper.
I guess the saturation pot is supposed to help with impedance matching with other effects or buffers in front. As far as controlling the sound of the pedal, I think a pre-gain pot would be better.