A stereo amplifier consists of two independent channels of audio signal where the signals produced have a specific level and phase relationship to each other while a mono amplifier has all the audio signals mixed together and routed via a single audio channel. The operation of the circuit includes revering the phase of one power amplifier where.. This signal is a stereo signal to start with. You need a way to "mix" those two signals into one mono signal to feed the line-level input. Very often, an inexperienced audio person will attempt to wire the stereo pair's three wires directly to the input's 3-pin balanced input. They dutifully connect one signal to the plus terminal, the other.

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SPRODIO Single Stereo to Mono Converter, RCA L/R Audio Adapter Stereo to Mono summing Cable Adapter SC21. 4.3 out of 5 stars. it says 1:1 ratio Audio transformer as a stereo to mono converter. It also says it is a ground loop isolator. Well, it didnt isolate ground loops. I called the product manager at OSD and he confirmed that it did not.. Originally posted by moron#99. i run an inverter on left channel. For stereo hook the left speaker reverse polarity. For mono (or single VC subwoofer) then connect right to positive terminal and left to negative. mathematically, Right - (-Left) = Right + Left. His diagram is showing the input side not the speaker side.