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Dirty-South Blues Harp forum: wail on! > Does the Shaker Madcat need impedance transformer?
Does the Shaker Madcat need impedance transformer?
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Dox
67 posts
Dec 14, 2017
2:47 AM
Hi

I saw a shaker madcat connected directly into pedals and sounds nice. But, surfing the net I read some discussion about matching transformer use and some concepts about "dual impedance" compatibility. Can someone clarify this thing (I don't find some good explenation)?. A shaker madcat of friend of mine come with a single female jack mono at the end of the cable. There are impedance match transformer jack-jack? Never saw...

Many thanks, bye
MP
3521 posts
Dec 14, 2017
7:12 PM
Ask Greg Heumann. He'll give you great advice.
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dougharps
1647 posts
Dec 14, 2017
11:01 PM
Greg knows mics!

I believe that the Shaker Madcat is designed for a high impedance unbalanced guitar/instrument cable with 1/4" plugs going into a guitar/harp amp 1/4" input jack or a guitar pedal. It should not need an impedance transformer or direct box unless you need a low z XLR balanced input to a PA.
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Doug S.

Last Edited by dougharps on Dec 14, 2017 11:03 PM
Flbl
59 posts
Dec 16, 2017
3:56 PM
A while back I posted a question about this mic, but no one seemed to think it had good sound, and considering the price I decided not to experiment, however I do remember reading something about using a IMT with it to change it's sound, from what I read it comes with a short built-in cord with a 1/4" plug and some kind of belt attachment.
Dox
70 posts
Dec 17, 2017
3:23 AM
So, I have one starting from today! I m using it without IMT and in my opinion sounds really good! This is the shaker madcat new version with red cover. The mic is pretty clean, feedback resistant and handy to play. For me is a good choice to explore.

Bye
Goldbrick
1886 posts
Dec 17, 2017
7:09 AM
its right in the description

"If you use a Shaker mic with an impedance-matching transformer into the input of your amp your Shaker mic becomes super charged, driving your amp into aural overdrive. All Shaker harmonica microphones are really two very different units in one. Direct to amp has the traditional Shaker tone and response. Used with a line-matching transformer and you get high output - hot and driven. Maximum flexibility, it’s your choice.

Inspired and co-designed by world-famous harmonica great Peter “Madcat” Ruth."
dougharps
1651 posts
Dec 17, 2017
7:50 AM
Good catch, Goldbrick!

My friend used his into a guitar amp, and it worked fine, because the Madcat (and Shaker mics other than MadDog) are low output for feedback resistance, which makes them work with higher gain guitar amps, but not lower gain harp amps. The Lone Wolf forum has a thread about this regarding the Harp Train 10 and notes the cable and connectors needed for an impedance transformer to make it work with their amp.

Shaker Madcat with Harp Train 10?

I think I will try this with my Shaker Dynamic. I have it somewhere in a drawer...
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Doug S.

Last Edited by dougharps on Dec 17, 2017 9:52 AM
Dox
71 posts
Dec 17, 2017
9:45 AM
I m using the cat with a vht but via a pedalboard so the low volume isn't an issue for me...
Crawforde
151 posts
Dec 17, 2017
4:33 PM
So is the MadDog a High Z or something completely different?
dougharps
1652 posts
Dec 17, 2017
8:15 PM
I have a Shaker Dynamic that I haven't been using since it didn't really have the sound I wanted. It worked OK when used with guitar amps. Until this thread I never considered using my IMT with it to raise output.

I have used a friend's Madcat into a Blues Junior and it was OK, but not great for my needs.

The forum thread on Lone Wolf linked above says the Mad Dog is low impedance, but hot. The Musician's Friend info says 500 ohms, which is low-z.

Mad Dog mic per Musician's Friend

My friend later bought a Bulletini, and I like it much more than the Madcat!
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Doug S.

Last Edited by dougharps on Dec 17, 2017 8:24 PM


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