Hello every one , great forum with usefull info. But cant find anything of my topic , i search mixing mixer summing and other key word, but is look like forum give me the same results.
My problem is that i want to conect 6 line inputs before the amplifter (yamaha 500 ): Smart tv true some chines dac, amazon alexa , pc with additional sound Idj card , 2 microfone karaoke set, bluetooth 4,2 reciver and maybe one extra for any case.
i just fin my shop car list form local el parts website to build this:
Universal Preamp/ Mixer (Part 2) figure 1 with ne5532 op amp (only that have in shop)
with this power suply:
https://www.circuitlib.com/images/schematics/power_supply/Symmetrical_power_supply.jpg
using it this traff BV EI 303 2039 HAHN - Transformer: encapsulated | 1.9VA; 230VAC; 18V; 18V; 52mA; 52mA; 81g; BVEI3032039 | TME - Electronic components BVEI3032039
price of all that is hit 35 euro without calculating the box.
in same time i see this device:
AIYIMA 6 Ways Stereo Mixer Audio Distributor Mixing Board With Independent Volume Control DC5 24V 1PC 6 Inputs 1 Output|Amplifier| - AliExpress
without need of two line supply and still give 2 times gain on 1/3 of the price !
In fact i dosent need any amplification of the sound , i never use the yamaha amp on maximum. I just need easy and sure way to connect and switch all the inputs to the amplifter.
my question are:
1. Did i over kill the situation or is normal way to be done?
2. DIY or BUY - to continue with my DIY project or better to buy that aliexpres thing 🙂
3. How i say i dont need amplification with sure , if need something it be:
- Control the inputst true I/O pins on esp8266 maybe with paralel relays
- led indication when one line is active. (turn on if have signal) it e so usefull for troubleshooting and seting up.
4. Or to hack the yamaha amp and to put kakaoke input behind all line IN ? becouse actialy only this need to be mix, all other now is easy to switch true the buttons of the amp inputs.
My problem is that i want to conect 6 line inputs before the amplifter (yamaha 500 ): Smart tv true some chines dac, amazon alexa , pc with additional sound Idj card , 2 microfone karaoke set, bluetooth 4,2 reciver and maybe one extra for any case.
i just fin my shop car list form local el parts website to build this:
Universal Preamp/ Mixer (Part 2) figure 1 with ne5532 op amp (only that have in shop)
with this power suply:
https://www.circuitlib.com/images/schematics/power_supply/Symmetrical_power_supply.jpg
using it this traff BV EI 303 2039 HAHN - Transformer: encapsulated | 1.9VA; 230VAC; 18V; 18V; 52mA; 52mA; 81g; BVEI3032039 | TME - Electronic components BVEI3032039
price of all that is hit 35 euro without calculating the box.
in same time i see this device:
AIYIMA 6 Ways Stereo Mixer Audio Distributor Mixing Board With Independent Volume Control DC5 24V 1PC 6 Inputs 1 Output|Amplifier| - AliExpress
without need of two line supply and still give 2 times gain on 1/3 of the price !
In fact i dosent need any amplification of the sound , i never use the yamaha amp on maximum. I just need easy and sure way to connect and switch all the inputs to the amplifter.
my question are:
1. Did i over kill the situation or is normal way to be done?
2. DIY or BUY - to continue with my DIY project or better to buy that aliexpres thing 🙂
3. How i say i dont need amplification with sure , if need something it be:
- Control the inputst true I/O pins on esp8266 maybe with paralel relays
- led indication when one line is active. (turn on if have signal) it e so usefull for troubleshooting and seting up.
4. Or to hack the yamaha amp and to put kakaoke input behind all line IN ? becouse actialy only this need to be mix, all other now is easy to switch true the buttons of the amp inputs.
Welcome to the forum. My question is: Do you really need to MIX these 6 sources, or do you just want to SELECT between them? In other words, do they need to play all at the same time, or not?
Thanks for fast replay!
Actuali is not need all to can be mix with all . The goal is to can mix 1 line with all. Becouse some times main source is tv, other time is alexa , some time quests want to play music from phone. I want whatever is the song source to can be mix with microphone line.
For that i say if can hack the amp and to put line behind all the inputs it will work great. But dont know how.
I dont want to change cables , my family aways have truble to change the cables to turn on all and etc , when i am not there. I thing with one console with bottons it be more easy. Just turn switch number 1 and 2 and done , or 1 and 6 and close all other.
Actuali is not need all to can be mix with all . The goal is to can mix 1 line with all. Becouse some times main source is tv, other time is alexa , some time quests want to play music from phone. I want whatever is the song source to can be mix with microphone line.
For that i say if can hack the amp and to put line behind all the inputs it will work great. But dont know how.
I dont want to change cables , my family aways have truble to change the cables to turn on all and etc , when i am not there. I thing with one console with bottons it be more easy. Just turn switch number 1 and 2 and done , or 1 and 6 and close all other.
Even before direct-from-asia shopping, it had become true that you could not build mixer functionality for less money than BiAmp and then Behringer would sell a finished mixer. There is massive leverage in buying parts by the tens of thousands instead of two and even ten. If I needed 2 adjustable inputs for a short-term job, I'd get B-ringer's $99 6-input mixer.
i dont care so much about the price .. i am not here for that .. just i thing when we talk about projects is good to mention the price. Just i am so beginer in audio projects , i know only that the 5532 op amp is old dosnt know how is sound and what can do. For now i hear diferent when i play sound from tv, from Alexa ir streaming from my phone to bluetooth reciver. And i am little scare that all will start to sound the same if i pass it true some chip. For that i look fo other options. And i realy dodnt need what DJI mixer giver is so much more. I need simple and easy mix of line inputs, no microphone no phono, evereting is line level and go to amplifter. Just want some help to choose best way to mix .
Can you draw a block diagram of exactly what you need to do?
Do you want to mix a single line source into any or all of your other inputs?
Do you want to mix a single line source into any or all of your other inputs?
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Code:
1output TV --------->|-----|
2output Alexa ------>| M | |----------|
3output PC---------->| I |---->| amplifter|-----> speakers
4output bluetooth -->| X | |__________|
5output Karaoke --->|_____|all the outputs are line level i need to build some mixer to can
with all outputs.Guys i know my english is not good , but what you dont understant. Just answer with is better to buy or DIY the one that i am ready to build.
Ok, so you want to be able to combine any of your inputs together?
That would just need a regular audio mixer. There are many.
It would be more expensive and take a lot of time to build a standard item like this.
Stereo Audio Mixer Board 6in/10out Way Sound Mixing Separate Volume Adjustment | eBay
That would just need a regular audio mixer. There are many.
It would be more expensive and take a lot of time to build a standard item like this.
Stereo Audio Mixer Board 6in/10out Way Sound Mixing Separate Volume Adjustment | eBay
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I bought used 8 input Peavey or Alesis mixers, myself.
PV8 for $40, bad master volume pot ($2) and dead right output caused by bad via through pcb. Stuck a wire through & soldered $0. 16 vac wall power supply was $30 but it worked pretty well on the 12 vac supply I got from Salvation Army resale for $2.
That one was stolen, so another PV8 was $50. No power supply, another 12 vac supply from S.A., $2. Worked as is. Drives 3 m cables across the room with less hum than my RA-88a disco mixer because the PV8 has quasi-TRS outputs that drive twisted pair instead of RCA jack & coax cable.
Biggest nuisance to fixing mixers is taking all the knobs & screws off to get the panel off & back on.
PV8 for $40, bad master volume pot ($2) and dead right output caused by bad via through pcb. Stuck a wire through & soldered $0. 16 vac wall power supply was $30 but it worked pretty well on the 12 vac supply I got from Salvation Army resale for $2.
That one was stolen, so another PV8 was $50. No power supply, another 12 vac supply from S.A., $2. Worked as is. Drives 3 m cables across the room with less hum than my RA-88a disco mixer because the PV8 has quasi-TRS outputs that drive twisted pair instead of RCA jack & coax cable.
Biggest nuisance to fixing mixers is taking all the knobs & screws off to get the panel off & back on.
Ditto what has been said. A little eight channel mixer is what you need. They are much cheaper and easier to buy than to build.
If all your sources are stereo, you have 10 channels. Be sure to pick a mixer than can handle all you need. Otherwise search the web for summing mixer circuits.
Op Amp Summing Amplifier: Virtual Earth Mixer >> Electronics Notes
If all your sources are stereo, you have 10 channels. Be sure to pick a mixer than can handle all you need. Otherwise search the web for summing mixer circuits.
Op Amp Summing Amplifier: Virtual Earth Mixer >> Electronics Notes