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Dirty-South Blues Harp forum: wail on! >
Noise Gate V Anti Feedback
Noise Gate V Anti Feedback
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Oxharp
150 posts
Feb 18, 2010
7:01 AM
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Hi All,
I have just aquired a really great Fender Bassman 59 RI Modified with Weber speakers and a few other tweeks.
I can get the volume up to 5-6 before the dreaded feedback monster appears. At this volume she sounds fantastic and drives really well.
It also came with a pedal board with a noise gate and a hush pedal. The guy said it would reduce the feed back and he demonstrated by switching on the pedals and you could then turn up the amp to 12 with no feedback.It was really loud but to me lacked a little something. I would never want to run the amp at 12 anyway.
I was wondering what the difference is between a noise gate and the anti feedback devices out there?
Do they perform the same fuction through an amp at a much reduced price?
Where in the chain would you put the noise gate?
Any help would be greatfully recieved.
HAGO
Russ
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Oxharp
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HarpNinja
174 posts
Feb 18, 2010
7:16 AM
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Long story short, the hush pedal is not the same as the Kinder AFB+. Hush pedals tend to eq out certain frequencies while the AFB+ has more to do with waves and crazy stuff.
In most instances, a Bassman on 5-6 will be plenty loud. Just because an amp can go louder, that doesn't mean it should. I am not sure the tubes, bias, mic, etc. but is should be pretty loud at those levels. The hush is probably attenuating the high end. You can try to add more presence and adjust the bright volume (will impact tone even when not plugging in).
If the amp isn't loud enough and the preamp tubes are low gain tubes, try swapping for higher gain preamp tubes and see if even at 3-4 you are plenty loud.
I had a Bassman RI and ran it between 4-6 for every gig. Even outdoors, I never went above that because the tone wasn't what I wanted anymore...but I didn't the amp stock...it was modded.
Speaking of mods, it might be more effective to tweak the cirucit then you the pedal.
A Bassman only gets so loud before you are only adding more distortion and not volume. So from 6-7 on up you are only changing your tone and not volume.
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Mike Fugazzi
http://www.myspace.com/niterailband
http://www.youtube.com/user/NiteRail
http://www.twitter.com/NiteRail
http://www.facebook.com/mike.fugazzi
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HarpNinja
175 posts
Feb 18, 2010
7:16 AM
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Long story short, the hush pedal is not the same as the Kinder AFB+. Hush pedals tend to eq out certain frequencies while the AFB+ has more to do with waves and crazy stuff.
In most instances, a Bassman on 5-6 will be plenty loud. Just because an amp can go louder, that doesn't mean it should. I am not sure the tubes, bias, mic, etc. but is should be pretty loud at those levels. The hush is probably attenuating the high end. You can try to add more presence and adjust the bright volume (will impact tone even when not plugging in).
If the amp isn't loud enough and the preamp tubes are low gain tubes, try swapping for higher gain preamp tubes and see if even at 3-4 you are plenty loud.
I had a Bassman RI and ran it between 4-6 for every gig. Even outdoors, I never went above that because the tone wasn't what I wanted anymore...but I didn't the amp stock...it was modded.
Speaking of mods, it might be more effective to tweak the cirucit then you the pedal.
A Bassman only gets so loud before you are only adding more distortion and not volume. So from 6-7 on up you are only changing your tone and not volume.
----------
Mike Fugazzi
http://www.myspace.com/niterailband
http://www.youtube.com/user/NiteRail
http://www.twitter.com/NiteRail
http://www.facebook.com/mike.fugazzi
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MrVerylongusername
903 posts
Feb 18, 2010
7:20 AM
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A noise gate basically is the opposite of a compressor, it makes sounds below a certain threshold quieter. A good one should not affect your tone too much, but it might be a pain if you use lots of dynamics in your playing (if you go quiet, you might suddenly find your signal cut!)
A Hush pedal works differently, but effectively achieves the same. I use one of the new blue ones, I personally can live with the (small) tone changes, because of how well it prevents feedback.
The many rack unit feedback destroyers (and the inline Behringer Shark) are notch filters - they eliminate the feedback frequencies and have a very narrow bandwidth. People will tell you that that is sucking your tone, but if you're going through the PA a good soundman ought to be notching those frequncies out anyway, better to use the narrow bandwidth filter of one of these units, than the much broader bandwidth on a graphic eq which most soundmen will use. I guess with a Bassman though you won't be mic'd up.
I have no idea how the Kinder AFB works, although I do have a few suspicions. From what Mike has said I suspect it might use some kind of flip-flop phase reversal. I've never used one so cannot comment more than that.
Basically they are all going to affect your tone in some way.
Last Edited by on Feb 18, 2010 7:33 AM
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MrVerylongusername
904 posts
Feb 18, 2010
7:24 AM
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Oh yeah, a noise gate should go last in your chain before the amp.
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