tatyana69
In any event, a quadraphonic record can store four channels, which you can feed to a quadraphonic system using a proper phono cartridge and phono preamplifier.
If normal analogue comes through as 2 channel, what effect does a quadraphonic record have?It isn’t clear what you mean by "normal analog." Analog can be any number of channels. Two-channel stereo is just one configuration.
In any event, a quadraphonic record can store four channels, which you can feed to a quadraphonic system using a proper phono cartridge and phono preamplifier.