How to hook up an equaliser to an Audio Research SP-7 preamp

Discussion in 'Pro Audio' started by zuluqueen, Jan 7, 2007.

  1. zuluqueen

    zuluqueen Guest

    I've tried the tape loop but it doesnt seem to work.
    Also, would anyone have a schematic for the unit.

    Thanks,

    Zuluqueen
     
    zuluqueen, Jan 7, 2007
    #1
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  2. I've tried the tape loop but it doesnt seem to work.
    If the tape loop doesn't work, then you're hooking up the equalizer
    incorrectly. There is also a chance the SP-7 is defective.

    Try this troubleshooting.

    With nothing connected to the tape-monitor loop, switching to Monitor should
    silence the SP-7. Right?

    Using two regular cables, jumper the left and right Record Out jacks to the
    left and right Monitor jacks. Switching to Monitor should now cause no
    change -- you should hear the program. The signal is simply going out and
    coming back.

    If you don't hear the signal, something is wrong, either in the SP-7, or
    with the cables.

    If you do hear the signal, reconnect the equalizer. Make sure Record Out
    goes to the equalizer's input, and the equalizer's output is returned to the
    Monitor jacks. Look closely -- it's easy to get confused and swap the
    connections.

    Also check that the equalizer is turned on (!!!), and that _its_ tape
    monitor (which replaces the tape monitor it took from the preamp) is _not_
    set to monitor.

    Check these things and get back to us.
     
    William Sommerwerck, Jan 7, 2007
    #2
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  3. zuluqueen

    zuluqueen Guest

    William,
    Many tnx for the prompt response.
    I will try ur suggestion and get back to u. (Y didnt i think of it!)

    You wudn't have a schematic wud you?

    ZQ
     
    zuluqueen, Jan 8, 2007
    #3
  4. You wudn't have a schematic wud you?

    No, but tape monitor circuits hardly vary among preamps (unless the Record
    Out is buffered). It's likely you're just making some dumb mistake, and
    unlikely you'll have to dig into the preamp.

    Keep us posted.
     
    William Sommerwerck, Jan 8, 2007
    #4
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