SUM8 Build Thread

Support for JLM Audio Kits

Moderator: Joe Malone

Post Reply
User avatar
Joe Malone
Site Admin
Posts: 1778
Joined: Wed Jan 24, 2007 11:35 pm
Location: Brisbane, Australia
Contact:

SUM8 Build Thread

Post by Joe Malone »

SUM8 pcb.
POTS are all 10k log either dual for stereo use or dual concentric stacked mono with odd on top. 1,2 3,4 5,6 7,8.

Image

SUM8 BOM Parts list
1 x SUM8 PCB
4 x Dual opamp NE5532A, LM4562, LME49720, etc
2 x 18v Zener Diodes (only needed if using higher power rails or single power rail)
4 x DIP8 IC sockets
2 x right angle IDC 16 pin pcb headers
1 x 3way 5.08mm terminal block
2 x 10R carbon resistors
24 x 10k metal film resistors
16 x 47pF ceramic caps
8 x 1uF 50v mono caps
8 x 100uF 10v Non Polar caps
8 x dual or dual concentric 9mm 10k log pots
You do not have the required permissions to view the files attached to this post.
Joe :-)
JLM Audio
Capturing Audio without Injury

Rocinante
Posts: 15
Joined: Fri Aug 26, 2016 3:02 am

Re: SUM8 Build Thread

Post by Rocinante »

This is awesome.

znjamznjam
Posts: 5
Joined: Wed May 05, 2021 5:10 am

Re: SUM8 Build Thread

Post by znjamznjam »

Can we get what more info? Shematic and wiring?
Thanks

znjamznjam
Posts: 5
Joined: Wed May 05, 2021 5:10 am

Re: SUM8 Build Thread

Post by znjamznjam »

Hy i have recived pcb.
Can i get more info about this sum:
Which ic is used
Is er mouser or anders part number for 16pin plug and cable
Is there list for parts in this project?
Thanks in advance

User avatar
Joe Malone
Site Admin
Posts: 1778
Joined: Wed Jan 24, 2007 11:35 pm
Location: Brisbane, Australia
Contact:

Re: SUM8 Build Thread

Post by Joe Malone »

znjamznjam wrote:
Sat Jun 05, 2021 8:21 pm
Hy i have recived pcb.
Can i get more info about this sum:
Which ic is used
Is er mouser or anders part number for 16pin plug and cable
Is there list for parts in this project?
Thanks in advance
Added SUM8 schematic & BOM to first post
You can use any dual opamp like NE5532A, NE4562, LME49720, OPA2134.
Joe :-)
JLM Audio
Capturing Audio without Injury

znjamznjam
Posts: 5
Joined: Wed May 05, 2021 5:10 am

Re: SUM8 Build Thread

Post by znjamznjam »

Thanks :D

User avatar
Joe Malone
Site Admin
Posts: 1778
Joined: Wed Jan 24, 2007 11:35 pm
Location: Brisbane, Australia
Contact:

Re: SUM8 Build Thread

Post by Joe Malone »

A great example of the type of mixer that can be made with AUX8 & SUM8 at the link below

https://www.jlmaudio.com/forum/viewtopic.php?f=2&t=342
Joe :-)
JLM Audio
Capturing Audio without Injury

Post Reply