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M-3 Line Out Help

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  • M-3 Line Out Help



    Ok.... I'm getting braver here... and I'm going for a line-out so I can convert the RCA down into an 1/8th stereo jack for my computer.... </P>


    I came across this page:</P>


    Adding Line Out To M-3 Spinet</P>


    What the author didn't specify is this:</P>
    <BLOCKQUOTE>
    <P class=tightenable>Moving forward from the RCA plug towards the front of the organ, you will see a terminal with a yellow wire connected to it. This is the output of the expression peddal and has the organ's un-amplified signal. Soldered a 1uF cap from the yellow signal lead of the expression control to the HOT side of the RCA plug. This will remove any DC offset in the signal.</P></BLOCKQUOTE>
    <P class=tightenable>What kind of capacitor is he using here? Polarized or non-polarized? Has anyone ever used this method?</P>
    <P class=tightenable>Update:</P>
    <P class=tightenable>After tearing apart 2 Apple LaserWriters.. an old Technics SL-20 record player and finally a VCR... I found a .1uF non-polarized mylar capacitor... went ahead and used it and it sounds GREAT! :))) I was so pleased with the signal quality that Ispent half an hourcleaning all the funk and ducttapegunkoff the expression controller's aluminum cover.... kind of stands out from the rest of the amp...:p Now I'll have to splurge and buy some convertors to step it down to 1/8th stereo male.. it's unfortunate that the RCA jack on the expression controller's frame is permanately punched down cause' the barrel on mine is worn out pretty bad.. but it works... I'm so impatient to see how well it'll record I'm going to run it into my trusty ol' Zenith tape deck... hehe ;)</P>
    <P class=tightenable></P>
    <P class=tightenable></P>

  • #2
    Re: M-3 Line Out Help



    I couldn't help it... I had to go to Radio Shack and buy a 1uF "Tantalum Capacitor"... I chose tantalum cause' there's not much room in the expression controller box and tantalum *precious metal in the form of powderized beads* can store alot of charge relative to it's mass and all that.. plus I'm thinking 1uF matches the DC offset much better *as mentioned in another article I read regarding this same method*.... anyways.. it sounds ALOT better than it did.. but I have to keep the M3's volume switch set to "SOFT" with the pedal barely up.. at least I've got a rudimentary way of getting the sound out... :)</P>


    </P>

    Comment


    • #3
      Re: M-3 Line Out Help



      After reading this and several other similar articles about adding a line out to an M-3, I decided to do so on mine. When I bought it (another great story- 200 bucks, restored, with a single-speed Baldwin Leslie) it had a Leslie output box wired into the speaker outs as used by the other method on the HammondWiki site, so rather than mess with that I used the RCA jack conversion like you did.</p>

      My job was complicated by the fact that the RCA jack on my organ was blocked by a rather tall replacement part so I also wired in a new jack and attached it to the inside cabinet of the organ away from the amp. I decided to make it even easier and used a1/4 phone jack, so now it plugs in just like any other combo organ!</p>

      The sound is hot, but not too hot, and it worked fine direct into my DAWS unit for recording and worked really well in an old guitar amp. When it is on along with the Leslie, I get much more of the tone I am looking for as it adds that extra highs and emphasis on the key click that my home organ/church chapel Leslie did not deliver, poor little 20 watt beast. An extra bonus is that if I do set the input volume on the amp up higher I can get a pretty good distorted sound, plus it can do a much better Vox impersonation direct through the amp.</p>

      I can highly recommend this mod to anyone seeking a line out from their internal speaker organs - I think this works with other Hammond models, depending on the amp used. If you were only going to record direct you may want to add some way to attenuate the signal if your recorder is a bit finicky.
      Mostly I plan on recording by miking the combination of the Leslie and the line out/guitar amp.
      </p>

      Maybe one day I'll get brave enough to add foldback!</p>

      Comment

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