mustafai Posted October 30, 2023 Share Posted October 30, 2023 At live shows or studio rehearsals, when I solo with my high gain patch, sustaining notes turn into a squealing feedback instead of a nice natural feedback. Turning the guitar away from the PA speakers do not help. I use the Placater Dirty model with Gain at 4, HBE on, boosted with a Gain block set at 10db. I have a similar issue with other high gain amp models too. Anyone else having the same issue? Any recommendations to solve this issue? Quote Link to comment Share on other sites More sharing options...
rd2rk Posted October 30, 2023 Share Posted October 30, 2023 No. Remove the Gain Block and adjust your Master and Channel Volumes. Leave the Output Block at 0db. The Placater (BE100) is basically a Marshall variation. If you need more gain than it naturally provides, use an amp designed for that purpose instead of adding a Gain block. 1 Quote Link to comment Share on other sites More sharing options...
theElevators Posted October 30, 2023 Share Posted October 30, 2023 I’ve experienced something similar. In my case it was the eq that boosted a parasitic frequency, Thad caused that microphonic feedback on my guitar on certain pickup combinations. You can try to put an eq block in your chain and try to notch out the bad frequency, most likely it’s something in the 2k range. 1 Quote Link to comment Share on other sites More sharing options...
brue58ski Posted October 31, 2023 Share Posted October 31, 2023 On 10/30/2023 at 3:35 PM, theElevators said: I’ve experienced something similar. In my case it was the eq that boosted a parasitic frequency, Thad caused that microphonic feedback on my guitar on certain pickup combinations. You can try to put an eq block in your chain and try to notch out the bad frequency, most likely it’s something in the 2k range. It does sound like microphonic feedback to me. i.e it's the pickup coils vibrating that's causing it. You'll have to find the frequency and notch it out somehow. Quote Link to comment Share on other sites More sharing options...
silverhead Posted October 31, 2023 Share Posted October 31, 2023 By any chance do you have the Path B input set to Mic? That will activate/sensitize the pins in the XLR Mic input. Perhaps they are picking up some sort of signal and accepting it as input? Quote Link to comment Share on other sites More sharing options...
mustafai Posted October 31, 2023 Author Share Posted October 31, 2023 On 10/31/2023 at 1:35 AM, theElevators said: I’ve experienced something similar. In my case it was the eq that boosted a parasitic frequency, Thad caused that microphonic feedback on my guitar on certain pickup combinations. You can try to put an eq block in your chain and try to notch out the bad frequency, most likely it’s something in the 2k range. I don’t think microphonic pickup is the issue since I tried with different guitars and also changed pickups. But I will try an eq block in either case. Quote Link to comment Share on other sites More sharing options...
mustafai Posted October 31, 2023 Author Share Posted October 31, 2023 On 10/31/2023 at 12:24 AM, rd2rk said: No. Remove the Gain Block and adjust your Master and Channel Volumes. Leave the Output Block at 0db. The Placater (BE100) is basically a Marshall variation. If you need more gain than it naturally provides, use an amp designed for that purpose instead of adding a Gain block. I have added the gain block to prevent the feedback trying to keep the amp gain low and pushing with gain or overdrive… Quote Link to comment Share on other sites More sharing options...
mustafai Posted October 31, 2023 Author Share Posted October 31, 2023 On 10/31/2023 at 7:51 PM, silverhead said: By any chance do you have the Path B input set to Mic? That will activate/sensitize the pins in the XLR Mic input. Perhaps they are picking up some sort of signal and accepting it as input? I am using HX Stomp XL, so no pat B exists in my case. Quote Link to comment Share on other sites More sharing options...
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