OEuropean
10 posts
Aug 02, 2008
12:46 PM
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A few days ago I bought the relatively expensive Shure 545SD microphone (the so-called Paul Butterfield mic), set for high-impedance, a high-impedance microphone cable and the low-end Roland micro cube amplifier.
I am however struggling with feedback. As soon as I set the gain to 9 o'clock (1/4 open) and/or the volume to 9 o'clock (1/4 open), I get horrible feedback, even when the amplifier is completely turned away from the microphone and at a distance of about 7m (the total length of the cable). I don't think this is normal.
How can I fix this annoying problem? The Shure microphone is supposed to minimize feedback. Did I make a mistake in choosing for high-impedance? The Roland micro cube is a very inexpensive amplifier, but I don't think it has a bigger feedback problem than other mini amps.
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Patrick Barker
103 posts
Aug 02, 2008
2:12 PM
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I don't know how to fix it, but its not a mistake to get high impedance. Unless you have an impedance adapter, you should always get high because if you get low you can barely even hear it.
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"Without music, life would be a mistake" -Nietzsche
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guest user
Guest
Aug 02, 2008
4:28 PM
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Hi,
I have the same 545SD mic and Micro Cube. Assuming you are using the mic input setting, mine is the same.
Back off on the gain and just use the volume control.
Suggest you set the tone close to zero as I have found this helps.
Another idea is to try some of the other amp settings, have heard the 'Black Panel' is a good one.
Both your mic and amp are good bits of kit, it's just a matter of getting used to them.
Hope this helps
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bluzlvr
47 posts
Aug 03, 2008
3:38 PM
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I also have a MicroCube that I bought for woodshedding guitar, but also had feedback problems when I plugged my JT30 into it(into the "blackface" setting.) As I mentioned before, it's a good little harp woodshedding amp in that you can plug in head phones....
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OEuropean
11 posts
Aug 04, 2008
12:55 AM
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Thanks for the helpful replies. Very much appreciated!
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LittleJoeSamson
11 posts
Aug 04, 2008
6:53 PM
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If you are getting feedback, then your setup is too hot.
I use the Roland MC by itself with a BluesBlaster and a low impedence converter. I can then run it on even the ballsiest settings, but the blackface is cool.
When I slave it to the power amp, I set it on mic, power amp on the dirty channel, which is then lined out to the mains.
Try different mic's and channels/settings. One never knows when that magic will strike.
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