Advice on Stereo to Mono

Music trends, latest album reviews...whatever!

Moderators: MattKingUSA, khz

Posts: 1
Joined: Wed Oct 10, 2018 7:59 am

Advice on Stereo to Mono

Postby tdh10 » Wed Oct 10, 2018 8:09 am

I am looking for a quick, cheap and dirty way to turn a stereo signal from a TRS "jack" plug into a mono signal on a TS "jack" plug on the other end of the cable.

A bit of Google-ing has told me that I must just connect both the Tip and Ring of the stereo plug to the Tip of the mono plug, preferably with a very small resistor, if possible, to avoid clipping.

Will this work, before I go and make a mess of soldering my connections too many times?

(P.S. I already know how the quick and dirty way to "convert" a balanced TRS to an unbalanced TS. This is NOT what I am trying to do.)

Thanks for any help!

User avatar
Established Member
Posts: 960
Joined: Sat May 05, 2012 6:12 pm

Re: Advice on Stereo to Mono

Postby CrocoDuck » Wed Oct 10, 2018 3:43 pm

It should work. If your amp output impedance is small, and the input impedance of the load is high, then you essentially sum the voltages like that. That said, it might not work otherwise, as it might force the output stage to drive too much current, you might have very poor audio and distortion. I guess in that case a resistor could indeed help, but you will need some trial and error for the value. I don't think it can damage your equipment, but I am not taking any responsibility over that claim.

Maybe give us more info: what is the stereo source? What is the mono destination?
Check my Linux audio experiments on my SoundCloud.
Browse my AUR packages.
Fancying a swim in the pond?

User avatar
English Guy
Established Member
Posts: 423
Joined: Wed Oct 17, 2012 7:28 pm
Location: England

Re: Advice on Stereo to Mono

Postby English Guy » Thu Oct 11, 2018 12:20 pm

The other option is a small mono mixer. At one time you used to be able to get 4 into 1 mixers relatively cheap.

User avatar
Established Member
Posts: 41
Joined: Wed Feb 07, 2018 9:31 pm

Re: Advice on Stereo to Mono

Postby nikgnomicradio » Thu Oct 11, 2018 1:53 pm

do not connect stereo channels without resistors, they are necessary to protect stereo outputs from signal source

This is close to what you need, just leave out 4th resistor for 2nd mono output

Return to “General Music Discussion”

Who is online

Users browsing this forum: No registered users and 1 guest