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31 band two channel graphic EQ

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Safetyman View Drop Down
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    Posted: 08 August 2020 at 10:30am
I am told that there are one or two makes/models of graphic EQ's that have illuminated led's, one above each frequency channel, that illuminate when that channel starts causing feedback. That would make the task of 'ringing out' a lot quicker/easier for live band work. Any recommendations, please Guys ?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2020 at 12:12pm
You are much better off download one of the many smartphone apps that can give you a visual spectrum. Ive never seen a graphic eq worth using with such indicators...


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Safetyman Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2020 at 1:29pm
Originally posted by csg csg wrote:

You are much better off download one of the many smartphone apps that can give you a visual spectrum. Ive never seen a graphic eq worth using with such indicators...


Ok, so which one in particular would you recommend, please ?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote snowflake Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2020 at 2:45pm
Behringer DEQ1024 worked okay. Is actually a digital eq with a graphical interface - so sounded a lot better than their budget analogue graphics. seem to go for about £60 on ebay.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Safetyman Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2020 at 2:54pm
Originally posted by snowflake snowflake wrote:

Behringer DEQ1024 worked okay. Is actually a digital eq with a graphical interface - so sounded a lot better than their budget analogue graphics. seem to go for about £60 on ebay.
Ok, thanks.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Safetyman Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2020 at 2:59pm
Ok, so I have had a look on the 'net for a hardware solution and there appear to be three likely candidates : Art HQ231 graphic eq and feedback eliminator, DBX AFS2 feedback eliminator and Klark Teknik DF 1000 automatic feedback suppressor. Anyone had  experience with any of these, please ?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jacethebase Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2020 at 5:01pm
AudioTools by Studio Six is a good little phone app.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Conanski Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2020 at 5:47pm
The ART HD231 and Peavey Q231fx work reasonable well for the intended purpose, any kind of AFS device that doesn't have a visual display won't be nearly as useful. The thing to realize with feedback suppression is that there are still limits to what can be done, once you get past 3-4 cuts you will be approaching the limits of potential GBF so it's not really helpful to have 15-20 filters active it just hacks away too much of the signal. The ultimate solution is a digital mixer with RTA display, with that even if it doesn't have an AFS system you can see and apply a notch filter at offending frequencies.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Safetyman Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2020 at 5:47pm
Originally posted by jacethebase jacethebase wrote:

AudioTools by Studio Six is a good little phone app.
CheersApprove
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Safetyman Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2020 at 5:49pm
Originally posted by Conanski Conanski wrote:

The ART HD231 and Peavey Q231fx work reasonable well for the intended purpose, any kind of AFS device that doesn't have a visual display won't be nearly as useful. The thing to realize with feedback suppression is that there are still limits to what can be done, once you get past 3-4 cuts you will be approaching the limits of potential GBF so it's not really helpful to have 15-20 filters active it just hacks away too much of the signal. The ultimate solution is a digital mixer with RTA display, with that even if it doesn't have an AFS system you can see and apply a notch filter at offending frequencies.
Ok, many thanksApprove
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Chris Grimshaw Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2020 at 8:29pm
Originally posted by Safetyman Safetyman wrote:

Ok, so I have had a look on the 'net for a hardware solution and there appear to be three likely candidates : Art HQ231 graphic eq and feedback eliminator, DBX AFS2 feedback eliminator and Klark Teknik DF 1000 automatic feedback suppressor. Anyone had  experience with any of these, please ?


My recommendation would be to stop looking for feedback suppressors, and figure out why you're having problems with feedback at all.

Cheap mics and badly deployed speakers are common causes. A decent mic (Sennheiser e935, for example) will go a long way towards avoiding feedback.

Chris
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Safetyman Quote  Post ReplyReply Direct Link To This Post Posted: 09 August 2020 at 8:19am
Originally posted by Chris Grimshaw Chris Grimshaw wrote:

Originally posted by Safetyman Safetyman wrote:

Ok, so I have had a look on the 'net for a hardware solution and there appear to be three likely candidates : Art HQ231 graphic eq and feedback eliminator, DBX AFS2 feedback eliminator and Klark Teknik DF 1000 automatic feedback suppressor. Anyone had  experience with any of these, please ?


My recommendation would be to stop looking for feedback suppressors, and figure out why you're having problems with feedback at all.

Cheap mics and badly deployed speakers are common causes. A decent mic (Sennheiser e935, for example) will go a long way towards avoiding feedback.

Chris
Quite right, but it is not always possible to control the vocalists, who decide to move the angle of the mic stand or go handheld far too close to the floor monitors, causing feedback. Seasoned singers, do realise that they are in 'the feedback zone' and move back until the howling stops. However amateur punk bands etc always blame the sound man for their own failings, amongst others. I do/did before COVID 19 a monthly jam session for up-and-coming artists/bands etc with several changes of performers every hour and it is impossible to 'police' all the changes. Artistes do tend to treat the soundman as the enemy of their performance, rather than working with the soundman to improve their performances. I use Heil PR20/22's, SE V7 and Sontronics Solo mics which are great mics. :D

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