# buffered-mult
## Description
A simple 1-to-3 buffered mult - Eurorack-talk for an audio/CV distributor
The board itself is a 3U 4hp rack-mountable module
This circuit was designed by https://www.skullandcircuits.com/utilities-buffered-multiple/ and their T&Cs apply to commercial use (I built these for myself)
## Project Details
- **Owner:** dominic-dev
- **Created:** 6/23/2022
- **Last Updated:** 12/12/2024
- **Visibility:** Public
- **Price:** 0.00$
- **Part Type:** {"data":{"y":0,"x":0},"type":"vector2"}
- **Stars:** 6
- **Forks:** 1
- **Copies:** 5
## Key Components
### - — [LED 0805 (2012 Metric)](https://www.flux.ai/jharwinbarrozo/led-0805-2012-metric.md)
- Part Type: LED
**Pins:**
- A [pin 2]
- K [pin 1]
### + — [LED 0805 (2012 Metric)](https://www.flux.ai/jharwinbarrozo/led-0805-2012-metric.md)
- Part Type: LED
**Pins:**
- A [pin 2]
- K [pin 1]
### IN_1 — PJ-3411
- Datasheet URL: https://datasheet.lcsc.com/lcsc/2110151630_XKB-Connectivity-PJ-3411_C381132.pdf
- Manufacturer Part Number: PJ-3411
- Substitute Manufacturer Part Number: C707258
- Part Type: Connector
- Manufacturer Name: XKB Connectivity
**Pins:**
- RING
- SLEEVE
- TIP
### J_OUT_1 — PJ-3411
- Part Type: Connector
- Manufacturer Name: XKB Connectivity
- Manufacturer Part Number: PJ-3411
- Substitute Manufacturer Part Number: C707258
- Datasheet URL: https://datasheet.lcsc.com/lcsc/2110151630_XKB-Connectivity-PJ-3411_C381132.pdf
**Pins:**
- RING
- SLEEVE
- TIP
### J_OUT_2 — PJ-3411
- Manufacturer Name: XKB Connectivity
- Part Type: Connector
- Substitute Manufacturer Part Number: C707258
- Manufacturer Part Number: PJ-3411
- Datasheet URL: https://datasheet.lcsc.com/lcsc/2110151630_XKB-Connectivity-PJ-3411_C381132.pdf
**Pins:**
- RING
- SLEEVE
- TIP
### J_OUT_3 — PJ-3411
- Part Type: Connector
- Manufacturer Name: XKB Connectivity
- Substitute Manufacturer Part Number: C707258
- Manufacturer Part Number: PJ-3411
- Datasheet URL: https://datasheet.lcsc.com/lcsc/2110151630_XKB-Connectivity-PJ-3411_C381132.pdf
**Pins:**
- RING
- SLEEVE
- TIP
### J_POWER — [Eurorack Pin Header 02x05 2.54mm Vertical](https://www.flux.ai/dominic-dev/eurorack-pin-header-02x05-254mm-vertical.md)
- Part Type: Connector
**Pins:**
- -12V_1 [pin 1]
- -12V_2 [pin 2]
- +12V_10 [pin 10]
- +12V_9 [pin 9]
- GND_3 [pin 3]
- GND_4 [pin 4]
- GND_5 [pin 5]
- GND_6 [pin 6]
- GND_7 [pin 7]
- GND_8 [pin 8]
### U1 — [TL074CD](https://www.flux.ai/jecstronic/tl074cd.md)
- Manufacturer Name: Texas Instruments
- Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftl071a
- Manufacturer Part Number: TL074CD
- Part Type: Operational Amplifier (OP-AMP)
**Pins:**
- -IN 1 [pin 2]
- -IN 2 [pin 6]
- -IN 3 [pin 9]
- -IN 4 [pin 13]
- +IN 1 [pin 3]
- +IN 2 [pin 5]
- +IN 3 [pin 10]
- +IN 4 [pin 12]
- OUT 1 [pin 1]
- OUT 2 [pin 7]
- OUT 3 [pin 8]
- OUT 4 [pin 14]
- V- [pin 11]
- V+ [pin 4]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/dominic-dev/buffered-mult](https://www.flux.ai/dominic-dev/buffered-mult).*
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