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One of my monoblocs is out of action with a blown fuse. I'm in the next room listening to an FM broadcast with tuner set to mono of some guitar and vocals through one speaker. It sounds fantastic- much better than I can remember any stereo broadcast sounding, more live sounding - best next room effect I've ever heard - deeper, tighter bass.
Some possibilities: 1. It's nonsense, my memory playing tricks on me. 2. Tuner set to mono sends a clearer signal. 3. Usual two speaker configuration sets up misalignments, phase anomalies and or frequency reinforcements and cancellations that muck things up. 4. Two amps likewise muck things up.Still sounds great. Any thoughts?
Edits: 12/13/09 12/13/09Follow Ups:
It's not nonsense at all.
Stereo image is just an illusion and nothing more.
But a single speaker is similar to having an instrument located in YOUR room where that speaker is sitting. Now, the mono signal will still have reverb and time-domain effects imparted in it, but this does not take away from the benefit of listening to CERTAIN recordings in mono.
If you are listening to recorded guitar playing, listening in mono with one speaker located where you want the guitarist to "be" in your room actually makes sense! ;)
Cheers,
Presto
Switching FM tuners to MONO mode is an old trick to reduce noise and distortion. I don't know the science behind it but it can make a big difference in sound quality.
Tom
If memory serves me, FM radio is broadcast in Mono with the stereo information broadcast as a seperate 19 KHZ sub carrier signal. When your stereo tuner senses the sub carrier signal, it switches to stereo. Might be more noise in stereo, depending on a lot of things, and the ability to switch back into mono was a popular feature on many tuners.
After posting this, I remembered that FM is broadcast as the sum and difference of both left and right channels in mono with the subcarrier signal broadcast seperatly. That way mono tuners get both left and right information and stereo tuners swithced to stereo when the cub carrier signal is present.
Tom
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