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turned sub down for MORE bass.........

Discussion in 'Archived Threads 2001-2004' started by jeff morris, Jan 10, 2003.

  1. jeff morris

    jeff morris Agent

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    This is weird....
    FInally got a RS meter and Avia. So last night I spent a good half-hour doing a speaker cal. The speakers were all relatively good, one or two tweeks. The sub took a bit more time. When I was done, my sub level on the receiver was set to -12. Huh? OK, do it again...yep -12, and that with it running 2-3 db hot. I used the cal factor levels from SVS for the meter, had it on a tipod exactly in my listening position, everything went perfect.
    Put on Band of Brothers disc4, the breaking point. I was actually FEELING the shells exploding around the soldiers in the woods. WOW[​IMG]
    I could only imagine that I had some sort of severe acoustic coupling going on in my room where I was getting all sort of cancellations or something????? I am a loss here! But everything does sound so much better, especially the low end.
    Guess I shows a real cal is a necessary thing, not just setting the sub to what ones' ear says is pleasing.
    Rx- Onkyo Ts600
    Polk RT25i's(4) & Cs245
    Velodyne CHT10
    And now I am considering a 20-39 PC+ ???? I must be NVTS!
    jeff[​IMG]
     
  2. Geoff L

    Geoff L Screenwriter

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    Hi Jeff

    What was the receivers sub level set at before you started, and also where was the sub itselfs volume knob set?

    Did you move the sub or speakers to a different location?

    Did you change your crossover setting?

    The end results you say you have now, is, well strange. If the location of your seating or sub/speakers didn't change, nulls or cancelations couldn't have changed, thats is if I read your post right.

    I am glad things sound much better and thats whats important, but I am a little confused...

    Regards
    Geoff
     
  3. jeff morris

    jeff morris Agent

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    well, I'm glad I'M not the only one confused by this[​IMG]
    The sub level was at 0 before I cal'd. As I said, I set the sub level to what sounded pleasing to my ears, that's all.
    I moved the sub back into the corner a few weeks ago(as suggested by Tom @ SVS) and had to reduce the sub volume knob from half to about a third up, to compensate moving it back into the corner.
    X-over stays at 80hz. The 100 & 120hz settings produce a HUGE peaked resonance around 90-100 hz, so 80hz crossover gives the smoothest response.
    the ONLY difference between wednesday and thursday evening is the sub output level on the Rx was REDUCED to -12.
    Yeah...I'm just as confused, but I can't argue with the results.
    Guess I'll just have to get that 20-39 and prove it out all over again [​IMG] [​IMG]
     
  4. Geoff L

    Geoff L Screenwriter

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    Well one can't argue if it's works, right..[​IMG]
     
  5. Kevin C Brown

    Kevin C Brown Producer

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    A few people might disagree, but I personally think there's no substitute for a good AV cal disc and a cheap RS meter... [​IMG]
    But I'm like you: I run my sub about 1-2 dB hot too. Dem dere depth charges in Das Boot/U-571 just t'ain't loud enough udderwise! [​IMG]
     

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