Question about stereo to mono wiring

waltschwarzkopf

New member
Hi guys,

I recently became the owner of a Chapman Stick (yay!) and have a question about the output. It has a stereo output jack that works with the included stereo cable which I currently use to connect to two amps at once; this is great for different EQ values and gain/clean scenarios. However, since I don't want to carry two amps if I go to the studio and sometimes connect to only one amp just for simplicity I was thinking about adding a Stereo2Mono switch and so far came up with two options:

  • Option A
    Use a SP2T switch to short-circuit the left and right channels (Figs. A & C). This way I can use the original stereo cable to connect to just one amp by leaving either of the two ends disconnected or even connect to two amps and have the same signal going to each of them. However, if I use a mono cable both channels will go to ground and no sound will come out of the instruments.

  • Option B
    Use a 3PDT switch to merge both channels and lift the right output of the jack (Figs B & C). This way if I can use a mono cable for both channels, but if I use the existing stereo cable the sound will come out of only one end.

Each pickup/channel has an independent volume pot, but when I mix them together by either option, the pickups will be connected in parallel lowering the output but still allowing me to regulate the volume for each channel, right?

What do you think of this? Is there a simpler way to do this? I rather have an onboard switch instead of using a separate passive splitter or an A/B/Y pedal. The way I use the stick is by connecting it to a keyboard amp with individual channels or by using two guitar amps. But sometimes I want to use just one amp and still be able to regulate each channel. Of course, since the pickups will be connected in parellel I understand that I won't be able to turn one channel down to zero as this will mute the whole instrument.

Looking forward to your comments,
Cheers!
Walter

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Re: Question about stereo to mono wiring

Would there be a problem just using a stereo to mono adapter to plug your stereo cable into (stereo jack to mono plug).?
 
Re: Question about stereo to mono wiring

Ohhhh, I wanna see a pic of the new Chapman Stick!
 
Re: Question about stereo to mono wiring

Ohhhh, I wanna see a pic of the new Chapman Stick!

It’s not “brand new”, just new to me [emoji6] 1989 “Graphite” Polycarbonate model.

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Re: Question about stereo to mono wiring

Would there be a problem just using a stereo to mono adapter to plug your stereo cable into (stereo jack to mono plug).?

Is there an adapter that can take two mono inputs and mix them into one single mono output? Can you provide a link? So far I’ve only found TRS to TRS cables and two TS to TRS adapter, none of those is what I need/want.


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Re: Question about stereo to mono wiring

I made a TRS to TS cable once using Canare cable, Switchcraft jacks, and wiring the positives together on the TS end. Mogami can be bought by the foot also.
 
Re: Question about stereo to mono wiring

I made a TRS to TS cable once using Canare cable, Switchcraft jacks, and wiring the positives together on the TS end. Mogami can be bought by the foot also.

I'm starting to lean on this direction. I can modify my existing cable to be like that.
 
Re: Question about stereo to mono wiring

Wow, congrats on that very cool instrument.
 
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