Martin
1141 posts
Mar 25, 2017
8:44 AM
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The other day I had a gig that was strictly blues, Chicago style, and I wanted a rather dirty sound. Used my 5W tube amp, -- it´s supposed to be modified for harmonica, but I never understand that stuff -- well realising that it would have to be miked up.
Then I used my Audix mic, into a reverb, into a HA pedal, into a Boss parametric EQ.
It got really dirty. Also, I could go to something around 7 on the volume knob, which was surprisingly good. When I disengaged the HA it got cleaner.
Now, isn´t the HA pedal supposed to require a Hi-Z mic in order to deliver?
Did I somehow circumvent this with my set-up?
(Sorry no videos were taken that I know of so I can´t provide a live sample.)
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Greg Heumann
3323 posts
Mar 25, 2017
10:16 AM
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No reason this shouldn't work, assuming you're properly connecting your low impedance mic to your high impedance pedal input - that is - with an XLR to XLR cable and an impedance matching transformer. When you do this, the pedal "sees" your mic as a high impedance mic.
Impedance has no impact on tone. Impedance has no impact on output. As long as you're connecting your mic properly.
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/Greg
BlowsMeAway Productions
See my Customer Mics album on Facebook
Bluestate on iTunes
Last Edited by Greg Heumann on Mar 25, 2017 10:16 AM
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indigo
341 posts
Mar 25, 2017
3:18 PM
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Standard wisdom seems to suggest that reverb and delay pedals should be last in the chain.
Putting your mike into the reverb first might mean that then the HA was actually seeing a good high impedance feed from the'verb?
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Martin
1142 posts
Mar 27, 2017
7:26 AM
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@Interesting Greg. But there were neither impedance transformers nor XLR cables in the mix. Just those pedals that I mentioned.
@indigo: OK, I thought the EQ should be the last one, in order to, so to say, being able to process the entire chain.
But I understand less and less about electronics and music. Still, glad that I got a decent sound.
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Greg Heumann
3325 posts
Mar 30, 2017
7:54 AM
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How are you connecting your (I assume low impedance) mic to a 1/4" jack? If you're NOT using an impedance matching transformer then I assume you're using an XLR to 1/4" cable. This is technically incorrect and is only delivering half of the mic's signal to the pedal.
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***************************************************
/Greg
BlowsMeAway Productions
See my Customer Mics album on Facebook
Bluestate on iTunes
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Martin
1144 posts
Mar 30, 2017
3:55 PM
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@Greg Heumann: The Aduix Fireball is a low impedance mic, as I understand it. It has an XLR connection on the microphone end, other end of that was standard guitar plug, called "tele plug" over here -- not really sure about the American terms, but I assume we´re meaning the same? (Appears to be confirmed by pictures on the net.)
Then it´s just as I described above: TCE reverb, HA pedal, Boss EQ, and amp.
Maybe technically incorrect, but loud and dirty it was, I promise. (Shame I haven´t a single sound sample, there were few cameras in the air that night -- but quite a lot of dancing.)
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Greg Heumann
3327 posts
Apr 01, 2017
2:34 PM
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The cable you're using is part of the problem. XLR to 1/4" cables are not correct for low impedance mics. Once again - This is technically incorrect and is only delivering half of the mic's signal to the pedal.The ONLY correct way to hook that mic to your pedal is with an XLR to XLR cable and an impedance matching transformer. Although "impedance matching transformer" is in the name of that device, it performs TWO important functions and it is the one that is NOT named that is the more important of the two. That is, conversion from balanced to unbalanced wiring. THAT is why you're only getting half of the mic's signal. It is WHY you could turn your amp up to 7.
If you're happy with the sound - just do it! But if you swap in a high impedance mic, or properly wire your Fireball, it WILL be louder and you'll have to turn the amp down. If that makes it too touchy form a feedback perspective, then consider using a Mojo Pad or Squeal Killer.
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***************************************************
/Greg
BlowsMeAway Productions
See my Customer Mics album on Facebook
Bluestate on iTunes
Last Edited by Greg Heumann on Apr 01, 2017 2:36 PM
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