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Topic: Simple RCA Stereo to Mono Mixer? (Read 6196 times) previous topic - next topic
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Simple RCA Stereo to Mono Mixer?

Is there any simple RCA Stereo to RCA Mono Mixer for my sub? I can't go with simple Y-cable because it would introduce massive amount of distortion.

Simple RCA Stereo to Mono Mixer?

Reply #1 –
You can build one yourself. Here it is:
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Simple RCA Stereo to Mono Mixer?

Reply #2 –
Quote from: 127.0.0.1 on
Is there any simple RCA Stereo to RCA Mono Mixer for my sub? I can't go with simple Y-cable because it would introduce massive amount of distortion.


Have you actually tried a Y-cable? Depending on the source this actually might work just fine. Most audio line out sources have a series resistor to protect the device, and this may give you a distortion-free mono signal when you short them together.

Simple RCA Stereo to Mono Mixer?

Reply #3 –
Quote from: pdq on
Have you actually tried a Y-cable? Depending on the source this actually might work just fine. Most audio line out sources have a series resistor to protect the device, and this may give you a distortion-free mono signal when you short them together.


Yes, it doesn't work.

Simple RCA Stereo to Mono Mixer?

Reply #4 –
There are some adapters at Radio Shack that might solve the problem.  Most are intended for 1/8" phono plug use, but could work:

Receiver > Stereo RCA cable-to-1/8 stereo plug > 1/8 stereo-to-mono adapter > 1/8 jack-to-RCA female adapter (you may have to make that yourself) > mono RCA interconnect to sub

A lot of junctions, but it shouldn't matter quality-wise for a sub.

Have you tried just running the right channel out to the sub?  You'd probably get most of the effect since lowest frequencies tend to be mixed more equally in the channels than higher frequencies.