Community: Proper hookup for HD500 in amp serial FX loop only? NO 4CM

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414 Views 10 Replies Latest reply: Jan 23, 2013 3:31 AM by jimsreynolds

VinnySem

30 posts since
Mar 28, 2009

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Aug 1, 2012 8:49 AM

Proper hookup for HD500 in amp serial FX loop only? NO 4CM

I want to use my HD500 in the serial FX loop of my Carvin V3, strictly for post-preamp effects, chorus, delay, reverb, flange, EQ, etc. What is the proper cabling and input level settings? I do not want to use the 4 cable method, I have no need for any effects before the preamp, and ther 4CM introduces too much noise and tone suck for my ears.

Thanks!

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jws1982
263 posts since
Jul 26, 2008

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Aug 1, 2012 11:50 AM (in response to VinnySem)
Re: Proper hookup for HD500 in amp serial FX loop only? NO 4CM

sounds like you should have an M13 or M9 instead of the HD500.

Here's one way:

Amp FX Loop Out - to - POD Aux Input
POD 1/4" Left Out - to - Amp FX return
Set 1/4" out level on the pod to 'Amp'. Change the input on patches to the aux input.

Here's another way:
Amp FX Loop Out - to - POD FX Return Left
POD 1/4" Left Out - to - Amp FX Return

Set the first effect in each patch to be the FX loop. Set the 1/4" out level on the pod to 'Amp'.

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- VinnySem
  30 posts since
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  Aug 1, 2012 11:52 AM (in response to jws1982)
  Re: Proper hookup for HD500 in amp serial FX loop only? NO 4CM
  
  I would have an M-device, but I also sometimes use the HD500 by itself and go into FOH. But thank you for the info!
  
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  - jimsreynolds
    2,227 posts since
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    Aug 1, 2012 12:05 PM (in response to VinnySem)
    Re: Proper hookup for HD500 in amp serial FX loop only? NO 4CM
    
    One more minor variation ...
    
    In the Loop
    
         Guitar ==> Amp Input
         Amp FX Loop Send ==> HD Guitar Input
         HD 1/4" Output Left ==> Amp FX Return Left
    
    Again, set the output to amp level. Master vol at or near 100%, amp models off.
    
    HD500 has some advantages over the M series (more concurrent effects for one thing) so not a bad choice.
    
    A few people have reported bad results with 4CM and the Carvin V3 here. Please let us know if the setups suggested by jws1982 and I do not work out well. It would be good to get to the bottom of this.
    
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    - VinnySem
      30 posts since
      Mar 28, 2009
      
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      Aug 1, 2012 12:41 PM (in response to jimsreynolds)
      Re: Proper hookup for HD500 in amp serial FX loop only? NO 4CM
      
      If I connect the AMP FX Send to HD Guitar Input, doesn't the HD expect a different level? Would the FX send overload the guitar input?
      
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      - jimsreynolds
        2,227 posts since
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        Aug 2, 2012 2:42 AM (in response to VinnySem)
        Re: Proper hookup for HD500 in amp serial FX loop only? NO 4CM
        
        Difficult to say at the moment. The manual here --> http://www.carvinworld.com/manuals/V3.pdf does not tell me what level the FX loop on the Carvin runs at (or near).
        
        If it runs at instrument level (-10dBV, aka stompbox level or consumer level ) then there will be no problem.
        If it runs at line level (+4dBu) then yes, you are correct: the loop will overload the amp input (which expects an instrument level signal).
        
        If the loop runs at line level then use a variation on jws1982's hookup
        
        Amp FX Loop Out --> POD FX Return Left
        POD 1/4" Left Out --> Amp FX Return
        
        Set the first effect in each patch to be the FX loop. Set the FX loop level switch to 'Line'. Set the 1/4" out level on the pod to 'Line'.
        
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gortur
38 posts since
Sep 19, 43371

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Aug 2, 2012 2:26 AM (in response to VinnySem)
Re: Proper hookup for HD500 in amp serial FX loop only? NO 4CM

I'm curious, is there any specific reason for preferring the AUX input rather than the regular GUITAR input? Does the AUX accept a "hotter" signal?

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- jimsreynolds
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  Aug 2, 2012 2:44 AM (in response to gortur)
  Re: Proper hookup for HD500 in amp serial FX loop only? NO 4CM
  
  AFAIK the guitar and AUX inputs are identical. Anyone care to challenge this ...? Happy to stand corrected.
  
  The only possible thing I can think of is that the variable input Impedance may apply to Guitar Input only, not Aux. Just a suspicion though: nothing to corroborate this.
  
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  - axus73
    29 posts since
    Apr 4, 2012
    
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    Jan 23, 2013 12:27 AM (in response to jimsreynolds)
    Re: Proper hookup for HD500 in amp serial FX loop only? NO 4CM
    
    The fact is that in my pod guitar input is not connected a guitar but my amp fx loop.
    There are different impedance input settings for this. In my case input setting is guitar with guitar in Z set at 1M.
    Do you think that changing input impedance should be set at different level?
    
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    - jimsreynolds
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      Jan 23, 2013 3:31 AM (in response to axus73)
      Re: Proper hookup for HD500 in amp serial FX loop only? NO 4CM
      
      Well the ideal setup for voltage transfer is high impedance on the load (the POD) and low impedance on the source (the amp). There is not much you can do about the amp but I think you could boost up the input Z on the pod to 3M. On paper that is probably best but you would need to try it. I am betting the difference in tone would not be much (perhaps a shade brighter) but I have never tried it.
      
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VinnySem
30 posts since
Mar 28, 2009

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Aug 11, 2012 3:44 PM (in response to VinnySem)
Re: Proper hookup for HD500 in amp serial FX loop only? NO 4CM

So, I have my head & HD500 hooked up as such:

Guitar -> amp guitar in
Amp FX1 send - > HD500 AUX in
HD500 line out -> Amp FX1 return.

Now, with the HD500 set to 'amp' for 1/4" output level, and the master volume set to 10, there was significant volume level drop when engaging the loop. If I set the output level to line, and the master volume on the HD500 set to about 7, I get no volume loss.

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Aug 1, 2012 8:49 AM

Proper hookup for HD500 in amp serial FX loop only? NO 4CM

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