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Spectrum Analyzer - Need to Find One

Discussion in 'Audio' started by 1986Blazer, Jan 7, 2002.

  1. 1986Blazer

    1986Blazer 1/2 ton status

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    I am looking for a stand alone spectrum analyzer that can be installed into most any system. There are many head units out there with a SA as a feature but I am looking for a stand alone. Does anyone know where one can be found - a web site would be welcome. I have searched most major manufacturers but have found almost nohing. I would accept a good EQ with a SA as a feature but I do not like most of the Disco displays out there. Straight forward flourescent or LCD display would be best - LED's are OK but a orange or green floruescent display would match the color of the instrument lighting I have planned also.

    Thanks

    <a target="_blank" href=http://www.geocities.com/keywestk5/KeyWestK5.html>http://www.geocities.com/keywestk5/KeyWestK5.html</a>
    So I says to him, I said, "get your own monkey."
    1986 K5, 350 GM Crate, 700R4, NP208
     
  2. PAVEVENT SUCKS

    PAVEVENT SUCKS Registered Member

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    Ive got a JVC eq that is a full time spectrum analyzer on it,but it only has rca input &amp; output so youd have to run a amp.Dont know if its what you want or not,It talks,plays astroids,and has preset music types,or set your own,its the same size as a din style radio,heck it does everything but get out of the truck &amp; hook up the tow strap for ya.if your interested let me know,its just on a shelf in my shed.
    dragbike60@hotmail.com

    First aid kit is a roll of duct tape & a bud light
     
  3. 1986Blazer

    1986Blazer 1/2 ton status

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    Do you have the model number? I'd like to look it up on the JVC web page and I am interested.

    <a target="_blank" href=http://www.geocities.com/keywestk5/KeyWestK5.html>http://www.geocities.com/keywestk5/KeyWestK5.html</a>
    So I says to him, I said, "get your own monkey."
    1986 K5, 350 GM Crate, 700R4, NP208
     
  4. jeffer

    jeffer 1/2 ton status

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    I used to have one of the Pioneer decks with the Spectrum Analyzer built in. (EQ function required a hideaway unit under the dash, which I had.) I know that they also make a standard DIN unit with SA and EQ in one. DEQ-7600 is the last model that I knew about. I really like mine, not too crazy with the display. I found it on Crutchfield's site.

    <a target="_blank" href=http://www.crutchfield.com/cgi-bin/S-KF95cjNoXKn/ProdView.asp?s=0&amp;c=3&amp;g=140&amp;I=130DEQ7600&amp;o=P&amp;a=0>http://www.crutchfield.com/cgi-bin/S-KF95cjNoXKn/ProdView.asp?s=0&amp;c=3&amp;g=140&amp;I=130DEQ7600&amp;o=P&amp;a=0</a>

    Jeff.
     
  5. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    Chriiiiiiiiiiiiiis,

    What are you DOING.......? [​IMG]

    Are you planning a discoteque interior for your Blazer with lots of blinky lights? [​IMG]

    I can't help but wonder, since the request was not for an EQ (which I could certainly appreciate) but for an LED display with moving bars.

    Do you just have a hole in the dash that's bigger than a standard DIN, and you need something to fill it?

    Anyway, just thought I'd "razz" you a little.....how are the sub boxes coming along?



    -Greg72

    '72 K5 Blazer - 427BB/TH350/NP205/6" Lift/35x12.50's
    <font color=blue>See it here: </font color=blue><a target="_blank" href=http://coloradok5.com/gallery/albun38>http://coloradok5.com/gallery/albun38</a>
     
  6. 1986Blazer

    1986Blazer 1/2 ton status

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    Sub boxes and door pods are comming along great. I also finshed the drawings for my rear bumper and tire carrier. I am going to scan the rough drawing and post it soon. I will also update my page soon with the beginning progress on the boxes. Ran into some probs with the "exacting and straight edge" measurements of the box. It seems an exact fit is not pratical or possible. I am shorting part and lengthing another. These are not exact measurements either. I am cutting and sanding to get a close fit. Thank god I am using balsa or I'd have gone through $20 worth of sandpaper. Balsa is soooooo easy to use. A little fragile but very easy to use.

    NO, I am not looking for a disco blazer - I have an old Alpine EQ (from 1989) and a graphic EQ sometimes helps with peaks and other parts of the sound "picture." A little show never hurt anyone but I just want an idea where different frequencies are peaking regardless of the settings. Some songs can reach the peak set on the EQ and others (non DDD CD's) can not always make the grade and I can then raise certain frequencies to compensate if needed - Like some old Iron Maiden CD's.....I love them loud but they do not compare to the all digital recordings of current Metallica. I'd actually use the EQ and not use it for show. So, any recommendations???


    <a target="_blank" href=http://www.geocities.com/keywestk5/KeyWestK5.html>http://www.geocities.com/keywestk5/KeyWestK5.html</a>
    So I says to him, I said, "get your own monkey."
    1986 K5, 350 GM Crate, 700R4, NP208
     
  7. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    If you really wanted to do it right....you'd probably want to get a 1/3 octave equalizer.....that'd give you about 30 bands to mess with so you could get
    more precise adjustments. The problem is that you'd also need an accurate RTA (real time analyzer) so that you could play some pink noise and set all
    the levels to match each other in relative output. Not probably the kind of thing you'd want to OWN....just borrow for a day or two while you're
    tweaking!!

    The biggest mistakes that people make with EQ's (whether it's dash-mounted or not) is that they use the sliders to BOOST frequencies that are lacking.
    That is the opposite of what you want to do....the EQ should be used ONLY to attenuate (reduce) frequencies which are being exaggerated by the system
    and pull them down to a more reasonable level. Trying to add +18dB of boost to a frequency that is missing (or low) in your system is asking for LOTS
    of distortion and problems.

    You can't make a frequency appear if it is missing in the first place....kinda like trying to sharpen a photo that was taken "out of focus"!! The
    information simply isn't there to begin with....so there's no way you can 'enhance' it.

    SO....you can certainly use the in-dash EQ....use it to "cut" and not "boost" or if you really get addicted to this audio stuff, add a 1/3 octave EQ
    later on (and bypass the EQ portion of the in-dash unit).

    Sorry for the longwinded answer....there's actually a LOT more to it than I've even described here, but that should help to explain the basic concept.
    [​IMG]

    Have Fun.

    -Greg72

    '72 K5 Blazer - 427BB/TH350/NP205/6" Lift/35x12.50's
    <font color=blue>See it here: </font color=blue><a target="_blank" href=http://coloradok5.com/gallery/albun38>http://coloradok5.com/gallery/albun38</a>
     
  8. 1986Blazer

    1986Blazer 1/2 ton status

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    Greg:

    I got some preliminary pics of the sub box any my speaker pods posted on my webpage - let me know what you think.

    <a target="_blank" href=http://www.geocities.com/keywestk5/KeyWestK5.html>http://www.geocities.com/keywestk5/KeyWestK5.html</a>
    So I says to him, I said, "get your own monkey."
    1986 K5, 350 GM Crate, 700R4, NP208
     

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