# Bazz Fuss Variant
## Description
My version of the Bazz Fuss, a popular DIY pedal circuit. Includes a switchable buffer in front of the fuzz for crazy, treble-y goodness. Also includes a pickup simulator between the buffer and the fuzz. The pickup sim can be used in tandem with the buffer to use the fuzz's non-buffered sound at other points in the signal chain without undesirable consequences.
## Project Details
- **Owner:** jwwitherspoon
- **Created:** 2/1/2024
- **Last Updated:** 3/26/2025
- **Visibility:** Public
- **Copies:** 3
## Key Components
### D1 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md)
- Emission Coefficient: 3.73
- Series Resistance: 0.42Ω
- Breakdown Voltage: 0V
- Forward Voltage: 1.70
- Saturation Current: 93.2e-12A
**Pins:**
- A [pin 2]
- K [pin 1]
### D2 — [1N4148-1](https://www.flux.ai/jecstronic/1n4148-1.md)
- Manufacturer Part Number: 1N4148-1
- Part Type: Diode
- Manufacturer Name: Microchip
- License: https://creativecommons.org/licenses/by/4.0/
- Datasheet URL: https://www.mouser.com/datasheet/2/308/1N914_D-1801484.pdf
**Pins:**
- A [pin 2]
- K [pin 1]
### D3 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md)
- Saturation Current: 93.2e-12A
- Forward Voltage: 1.70
- Breakdown Voltage: 0V
- Series Resistance: 0.42Ω
- Emission Coefficient: 3.73
**Pins:**
- A [pin 2]
- K [pin 1]
### D4 — [1N5817](https://www.flux.ai/jecstronic/1n5817.md)
- Manufacturer Name: STMicroelectronics
- Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/26/db/14/60/52/47/47/5b/CD00001625.pdf/files/CD00001625.pdf/jcr:content/translations/en.CD00001625.pdf
- Part Type: Diode
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: 1N5817
**Pins:**
- A [pin 2]
- K [pin 1]
### D5 — [1N5817](https://www.flux.ai/jecstronic/1n5817.md)
- Manufacturer Part Number: 1N5817
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Diode
- Manufacturer Name: STMicroelectronics
- Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/26/db/14/60/52/47/47/5b/CD00001625.pdf/files/CD00001625.pdf/jcr:content/translations/en.CD00001625.pdf
**Pins:**
- A [pin 2]
- K [pin 1]
### J1 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
**Pins:**
- P1 [pin 1]
- P2 [pin 2]
### J2 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md)
- Part Type: Connector
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- P1 [pin 1]
- P2 [pin 2]
### J3 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
**Pins:**
- P1 [pin 1]
- P2 [pin 2]
### Q1 — [2N2222](https://www.flux.ai/jecstronic/2n2222.md)
- Datasheet URL: http://www.solidstateinc.us/specsearch/specs/2N2221A-ssi.pdf
- Manufacturer Name: Solid State Inc.
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: 2N2222
- Part Type: Transistor
**Pins:**
- B [pin 2]
- C [pin 3]
- E [pin 1]
### SW1 — [Connector 01x06](https://www.flux.ai/jharwinbarrozo/connector-01x06.md)
- Part Type: Connector
**Pins:**
- Pin_1 [pin 1]
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
- Pin_4 [pin 4]
- Pin_5 [pin 5]
- Pin_6 [pin 6]
### SW2 — [Connector 01x06](https://www.flux.ai/jharwinbarrozo/connector-01x06.md)
- Part Type: Connector
**Pins:**
- Pin_1 [pin 1]
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
- Pin_4 [pin 4]
- Pin_5 [pin 5]
- Pin_6 [pin 6]
### SW3 — [Pin Socket 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x03-254mm-vertical.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### SW4 — [Connector 01x04 Horizontal](https://www.flux.ai/jharwinbarrozo/connector-01x04-horizontal.md)
- Part Type: Connector
**Pins:**
- PIN_1 [pin 1]
- PIN_2 [pin 2]
- PIN_3 [pin 3]
- PIN_4 [pin 4]
### T1 — [42TL019-RC](https://www.flux.ai/jecstronic/42tl019-rc.md)
- Datasheet URL: https://www.mouser.com/datasheet/2/449/Yuetone_XC-600127-1212403.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: 42TL019-RC
- Manufacturer Name: Xicon
- Part Type: Transformer
**Pins:**
- MH1 [pin MH1]
- MH2 [pin MH2]
- PRI- [pin 3]
- PRI+_1 [pin 1]
- PRI+_2 [pin 2]
- SEC- [pin 6]
- SEC+_1 [pin 4]
- SEC+_2 [pin 5]
### U1 — [TL081CP](https://www.flux.ai/jecstronic/tl081cp.md)
- Manufacturer Name: Texas Instruments
- Part Type: Operational Amplifier (OP-AMP)
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: TL081CP
- Datasheet URL: https://www.ti.com/lit/ds/symlink/tl084.pdf
**Pins:**
- IN- [pin 2]
- IN+ [pin 3]
- NC [pin 8]
- OFFSET N1 [pin 1]
- OFFSET N2 [pin 5]
- OUT [pin 6]
- VCC- [pin 4]
- VCC+ [pin 7]
### VR1 — [Pin Socket 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x03-254mm-vertical.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### VR2 — [Pin Socket 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x03-254mm-vertical.md)
- Part Type: Connector
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jwwitherspoon/bazz-fuss-variant](https://www.flux.ai/jwwitherspoon/bazz-fuss-variant).*
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