Need help with speaker calibrations

Discussion in 'Speakers & Subwoofers' started by vasia, Jul 19, 2004.

  1. vasia

    vasia Stunt Coordinator

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    I just got the Kenwood DV-5700 hooked up for DVD-Audio and I am trying to calibrate my Marantz SR8300 with a pair of MA Silver 8's, silver center and Hsu STF-2 sub (SFX surrounds are hopefully coming very soon). When I do tests using SPL meter and SR8300 menu, I have to set up sub pretty low. However, on Kenwood DVD-A setup actually sub turns out pretty low and need to be turned up. To have sub properly levels in both setups I had to set the dial on the sub's amp to about 50% and -12dB on SR8300 level setup (other speakers are around 0dB) and Kenwood 5.1 channel setup has all speakers at -8 to -10 db and sub at 0 db. Now, when I have movies, the sub does not seem to produce level of oomph that I guess it should with 5.1 DD. What am I doing wrong? Should I not calibrate speaker levels? Marantz does not seem to allow to set sub level for each playback format, just a general setting for all modes.
     
  2. vasia

    vasia Stunt Coordinator

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    By the way, my mains are set to large and center to small. Are all speakers supposed to be set to small for movies? Also, is it better to have sub amp set tp low and have high setting in the receiver (e.g. have +smth dB) or vise versa?
     
  3. vasia

    vasia Stunt Coordinator

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    Can someone tell me whether in general should the sub volume on the sub amp be set to low and then the volume in the receiver setup set to high, or the other way around (sub volume set to high on the sub amp and to low in the receiver)?
    Thanks.
     
  4. John Garcia

    John Garcia Executive Producer

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    Shoot for a middle ground between the two. You don't want the sub amp turned up all the way, because you will leave yourself little headroom. Depending on the sub and your room, you should be looking at about 50% gain on the sub, and blending with the receiver.

    I have a VTF-2 with my 8300, in a 19 x 20 x 15'vaulted ceiling room, and I am at 40% gain and -2 on the receiver.

    Yes, in most cases all speakers should be set to small, even with towers (unless they play well down to ~25Hz or lower).

    There is nothing that says that you cannot adjust the sub to the level that you want, so after calibration, just adjust it to your liking.

    I would like Marantz to offer the ability to save settings per source also.

    Also, you realize these calibrations will not apply to the multichannel inputs, right? There is a separate setting for speaker levels for this input, which may address part of your problem. Part of the problem may be the source, and how it handles bass management. If there is a setting in your menu for hires for +10dB offset for bass, turn this on.
     
  5. vasia

    vasia Stunt Coordinator

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    John,
    Thanks a lot for the comment. Your room is seriously larger than mine (17X13X9 or 10), in my case when I set sub to 50%, I have to set receiver to -8 dB for the sub. I'll play around with it to get it to around -2 at maybe amp gain at 20-25%. One issue was that I needed to turn all speakers on the DVD player menu for DVD-Audio way too low (out of range) to level my settings, but since I can also boost sub output on the Marantz 7.1 menu, that should be fine alltogether, unless I am missing something.
     

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