RCA Stereo to Mono? Is is possible for my setup? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 4 Old 05-14-2020, 01:12 PM - Thread Starter
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RCA Stereo to Mono? Is is possible for my setup?

I running a few Russound P75s, connected to Google Chromecast Audios and running some nice ceiling speakers. I'd like to try to run this as a mono setup for better sound for the WHA. IS there a way to take the 3.5mm or RCA signal coming from the Chromecast Audio that is stereo, and make it a mono signal for use with the amp? I cant seem to find any info on this other than making my own cable to solve for this...
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post #2 of 4 Old 05-14-2020, 02:31 PM
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Actually converting stereo to mono is non-trivial. What do you want to do, add the channels together? What if they're slightly out of phase to create a stereo effect? Etc. Circuits are needed to accomplish this.

On the other hand, I had a whole house intercom hooked up a Chromecast, and I just wanted good enough. So I just hooked up the right channel and left the left one dangling. Not perfect, but effective for most cases.

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post #3 of 4 Old 05-15-2020, 12:33 AM
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Quote:
Originally Posted by bikerboy337 View Post
IS there a way to take the 3.5mm or RCA signal coming from the Chromecast Audio that is stereo, and make it a mono signal for use with the amp? I cant seem to find any info on this other than making my own cable to solve for this...
Do you want to solder it yourself or buy it? The device is called a stereo to mono combiner or summing box. Don't mistakenly think a simple "Y-cable" will do the trick. They often cause distortion and in weird circumstances can even damage some gear.
Possible Examples of proper devices although you'd need adapters to convert to their style of jacks: https://www.amazon.com/Galaxy-Audio-...9527588&sr=8-1

https://www.bhphotovideo.com/c/produ...ia_di_box.html

I can't vouch for them but there are do-it-yourself examples out there too:
https://www.instructables.com/id/Sim...tereo-to-Mono/
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post #4 of 4 Old 05-20-2020, 10:51 AM
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An explanation about "Y -cables" in this old Rane Note:


Why Not Wye?
Dennis Bohn, Rane
RaneNote 109 written 1991; last revised 4/04

Splitting Signals
Subwoofing in Mono
Unbalanced Summing
Balanced Summing
Output Impedances



https://www.ranecommercial.com/legacy/note109.html
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