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All mono recordings have the same information in left and right channels of a stereo medium..

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PAR

(A)

In Reply to: Re:Not completely true about mono recordings. posted by reb on February 24, 2007 at 06:59:56:

...and therefore produce a central image as phase and amplitude is the same. There is no "miking technique". Are you confusing a recording of a single instrument with mono?

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Mono recording = center image only unless room reflections distort the image. No need to debate this. - Richard BassNut Greene 10:44:45 02/25/07 (0)
If one speaker plays louder than the other the one-point mono center image can be somewhat off center, but there will be no left to right soundstage unless some unusual room reflections distort the typical mono "one-point" image. OF COURSE AN AUDIOPHILE CAN IMAGINE HEARING ALMOST ANYTHING IF HIS BRAIN COOPERATES.
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Richard BassNut Greene
Subjective Audiophile 2007
Re: If the guitar player was standing on the left side of the "stage"..... - reb 09:50:14 02/24/07 (3)
and the drummer in the middle. Bass player on right, singer towards rear. I can hear that placement on mono recordings played back on stereo speakers. If you can't, then I perhaps you need to listen some more. It's very easy to hear because each band member lays down their contribution at a distinct db level. So, if the guitar player is louder, you should be able note that the sound is NOT from the center.
- Ck your email Reb. - ontrack2@gmail.com 11:41:16 02/24/07 (0)
  I emailed you through asylum mail.
- reb, you are very confused... - PAR 10:16:16 02/24/07 (1)
  .. if you think that you can hear a drummer in the middle and a bass player on the right from a mono recording. Your equipment may be poorly set up in relation to the room so that maybe some room reflections in the bass region give you the impression that the bass is coming from the right. If you check on headphones and still hear stereo from mono then please see an audiologist. A singer to the rear is fine conceptually as mono will provide depth if not width information.However a mono recording correctly produced in a stereo system can ONLY (repeat ONLY) provide a precise central image (albeit with the potential of a sense of depth). Which is why the OP is recommended to use it to check for correct stereo imaging. If the mono signal via a 2 channel system provides a central image of no apparent width then it follows logically that stereo images will be presented in their relative correct positions.
  I am afraid that everything that you say in your last two sentences has nothing to do with monophonic reproduction.
  - More possibilities . . . - markrohr 11:41:25 02/25/07 (0)
    As you say, room effects are the likely culprit. Poor speaker matching could be another. Even a dirty pot or switch. Could even have dead driver.
    And don't overlook the human factor. I once spent the better part of an afternoon troubleshooting a misterious ailment: it began as "Gee, the imaging on this record sucks," and went thereafter to "Yikes, what could be screwing up the imaging like this?"
    Turned out I had inadvertantly connected my biwired speakers with the left bass and right treble in one speaker and the right bass and left treble in the other. D'oh!

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