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gonguinguenParticipant
Hi! I did some research on this subject and found this device which I think I can use between the balanced XLR output of the EHX Mic Pre and the unbalanced 1/4” input of my effects pedals:
https://www.radialeng.com/product/prormpIt’s a Re-Amp Box. Until today, I didn’t know it existed. Apparently, it does the reverse job of a Direct Box. I think it’s exactly what I need to be able to use the EHX Mic Pre with guitar pedals. I hope this information helps anyone who is in the same situation as me.
Cheers!
gonguinguenParticipantHi! Thanks for following up on this issue.
I read a post by the designer of the EHX Mic Pre a while back but I haven’t been able to find it. In that post the designer explained that, as the quote you shared mentions, one should only use the 1/4 output for monitoring.My intention is to process the output of the Mic Pre with a series of effects pedals, keeping the set portable and easy to move around. That’s why I tried to use the 1/4 output to send directly to the effects pedals. But in view of all the above, I think I will continue to use the Mic Pre’s XLR output to send to the DBX compressor and then to the pedals. It’s less portable but the sound achieved is exquisite 😀
gonguinguenParticipantThank you so much for taking the time to register and share this information with me, I really appreciate it! It’s great to hear that my post was helpful to you, and I’m glad you’ve found a solution for the hum issue with the EbTech Hum Eliminator. I hadn’t thought of using one of those, so this is very valuable advice!
If possible, could you share a link to the specific EbTech device you’re using? I just want to make sure I’m looking at the right one. I found this one on Amazon:
EBTech Hum Eliminator is this the one you’re referring to?Thanks again for your help!
gonguinguenParticipantHey there! I know this is a very old post, but I’ve recently bought a EHX Mic Pre and I’ve found myself with the same “problem” you describe. It’s not a problem per se. It happens that both outputs of this pedal are balanced. The hum noise appears when you you use the balanced 1/4” output and plug into an unbalanced 1/4” input. To eliminate that hum, you have to use a balanced cable (stereo jacks on both ends) and go into a balanced input.
Now, I want to process my voice using a lot of effects pedals (all of them use unbalanced inputs/outputs). The microphone goes directly to the EHX Mic Pre, and I cannot go from there directly to another effect pedal (because of the hum noise). To achieve this without noise, I have to take the balanced out from the Mic Pre and go into a compressor (or a mixer with balanced inputs). In my case, I go into a DBX compressor, that has an unbalanced output. So I use that unbalanced output to go to the effects pedal. In this way, I don’t get any hum noise.
I’ve tried making my own cable TRS –> TS but it didn’t help, the hum noise is still there.
So far I’ve found that the only way to eliminate the hum is go from the Mic Pre to a balanced input on a mixer or whatever device that offers an unbalanced out.Hope this helps.
Let me know if you can think of another way to go out from the Mic Pre directly to an unbalanced input without that ugly hum noise :/gonguinguenParticipantHey there! I hope this thread isn’t dead.
I have a Deluxe Memory Boy since about an year ago, and last week it started failing, it is the exact same issue that you all reported here: blend knob must be fully clockwise to hear some delay (but the sound is crunchy and awful).I’ve always used the pedal with its own power unit. I don’t have any other pedals. I’ve tested the power unit and it’s ok, it delivers stable 9v. I’ve tried replacing the power unit with a new one, but the problem remains :/
Were you able to solve the issue?
Can you suggest something to try?Thanks in advance.
Warm regards,
Lisandro -
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