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Dreamer suggested this circuit ; <s>https://www.cgs.synth.net/modules/cgs33_matrix_mixer_euro.html</s> [https://web.archive.org/web/20180211035130/https://www.cgs.synth.net/modules/cgs33_matrix_mixer_euro.html *archive*] | Dreamer suggested this circuit ; <s>https://www.cgs.synth.net/modules/cgs33_matrix_mixer_euro.html</s> [https://web.archive.org/web/20180211035130/https://www.cgs.synth.net/modules/cgs33_matrix_mixer_euro.html *archive*] | ||
This shows a mono 4 to 1 summing mixer, which would be adequate. | This shows a mono 4 to 1 summing mixer, which would be adequate. As i have 12 digipots in home, not 16, i'll adjust it to 3 to 1. | ||
My idea is to end up with 2x the input (buffer) circuit, and 4x the output (mixing) circuit, so i end up with a 3x2 matrix mixer. | |||
== Components == | |||
* 2x Input boards 'row board' | |||
* 4x Output boards 'column board' | |||
* Power Supply | |||
* Input and output connectors | |||
* SBC part to operate the digipots, and receive the second stereo output | |||
== Stuff to get == | == Stuff to get == | ||
* | === Input boards === | ||
* | This gets 3x mono inputs. | ||
* | '''Resistors''' | ||
* | * 3x 100k | ||
* 3x 1k | |||
'''Capacitors''' | |||
* 2x 10uF 25V | |||
* 2x 100nF | |||
'''Opamps''' | |||
* 3x TL071 , or 1x TL074 | |||
'''Huh''' | |||
* 2x Ferrite beads | |||
=== Output boards === | |||
This gets 3x mono outputs. | |||
'''Resistors''' | |||
* 6x 100k | |||
* 1x 220R | |||
'''Capacitors''' | |||
* 2x 47pF | |||
* 2x 100nF | |||
'''Opamps''' | |||
* 2x TL071 , or 1x TL072 (or as i need 4x these output boards, 1x TL074 and share half to second output board) | |||
=== Others ==== | |||
* connectors , ??? | * connectors , ??? | ||
* some powersupply? (this circuit needs -15, 0 and +15V) , maybe [https://www.eijlander.nl/rt65b-geschakelde-voeding-64w-triple-output-5-12-12v-8-0-3-5-1-0a-a-475570-4419.html this meanwell] | * some powersupply? (this circuit needs -15, 0 and +15V) , maybe [https://www.eijlander.nl/rt65b-geschakelde-voeding-64w-triple-output-5-12-12v-8-0-3-5-1-0a-a-475570-4419.html this meanwell] | ||
* some kinda case? | * some kinda case? | ||
* some SBC with line-in and network (and storage?) :) | * some SBC with line-in and network (and storage?) :) |
Revision as of 08:00, 5 November 2019
Networked Audiomixer | |
---|---|
Participants | User:buzz |
Skills | Electronics |
Status | Planning |
Niche | Electronics |
Purpose | Infra |
Tool | No |
Location | |
Cost | |
Tool category |
Networked Audiomixer Property "Tool Image" (as page type) with input value "File:{{{Picture}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. {{{Picture}}} {{#if:No | [[Tool Owner::{{{ProjectParticipants}}} | }} {{#if:No | [[Tool Cost::{{{Cost}}} | }}
What
We've had experience with hardware like this through the Nexia_PM, but thats a very expensive device.
This project aims to make a simple 4x in 1x out (or maybe 2x out) stereo mixer that is controllable over network -only-.
How
Dreamer suggested this circuit ; https://www.cgs.synth.net/modules/cgs33_matrix_mixer_euro.html *archive*
This shows a mono 4 to 1 summing mixer, which would be adequate. As i have 12 digipots in home, not 16, i'll adjust it to 3 to 1.
My idea is to end up with 2x the input (buffer) circuit, and 4x the output (mixing) circuit, so i end up with a 3x2 matrix mixer.
Components
- 2x Input boards 'row board'
- 4x Output boards 'column board'
- Power Supply
- Input and output connectors
- SBC part to operate the digipots, and receive the second stereo output
Stuff to get
Input boards
This gets 3x mono inputs. Resistors
- 3x 100k
- 3x 1k
Capacitors
- 2x 10uF 25V
- 2x 100nF
Opamps
- 3x TL071 , or 1x TL074
Huh
- 2x Ferrite beads
Output boards
This gets 3x mono outputs. Resistors
- 6x 100k
- 1x 220R
Capacitors
- 2x 47pF
- 2x 100nF
Opamps
- 2x TL071 , or 1x TL072 (or as i need 4x these output boards, 1x TL074 and share half to second output board)
Others =
- connectors , ???
- some powersupply? (this circuit needs -15, 0 and +15V) , maybe this meanwell
- some kinda case?
- some SBC with line-in and network (and storage?) :)