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Post by krugerj on Mar 14, 2019 12:33:16 GMT -7
Hello again everyone, I have a mk. I Maz 18, that has very buzzy reverb. Here's a video (notice how low the master is, the buzz is basically as loud as my guitar signal, and gets affected by at least the cut control). I have tried adding ferrite clips to both the reverb input and outputs to no avail... anyone else ever have this issue? I have read a couple threads of similar issues, but I have yet to come across a solution.
Any help would be appreciated! Cheers
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Post by Chilly Gibbons (Todd T.) on Mar 14, 2019 12:56:12 GMT -7
New Reverb driver tube. Also, make sure the RCA plugs and sockets coming to and from the Reverb tank and amp are clean as they will oxidize over time. Deoxit works well. Easy and cheap fix.
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Post by headshrinker (Marc) on Mar 14, 2019 14:21:42 GMT -7
I would look at the reverb return tube also. It's the 12AX7 after the 12AT7.
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Post by krugerj on Mar 14, 2019 17:54:22 GMT -7
Thanks for the suggestions.
I just replaced both the tubes in V3 and V4 (the 12AT7 and the 12AX7), and I am still getting the same buzzing noise. Any other suggestions?
Thanks
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Post by Jaguarguy (Mike) on Mar 14, 2019 18:51:36 GMT -7
Make sure there are no cellphones around it - don't ask me how I know! Also make sure you have tightened all the chassis bolts.
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Post by premiumplus (Dave) on Mar 14, 2019 20:58:51 GMT -7
Make sure the RCA jacks are clean and tightly gripping their contacts. It sounds like you may have a bad ground on the reverb pan RCA's. And +1 on the cellphones!
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Post by digs57 on Mar 15, 2019 6:48:44 GMT -7
Mine gets noisier as I turn up too...its not completely void of hum/buzz...I do find its no more noisier than a twin reverb or deluxe...I can live with the amount (reverb) I get and do supplement if more needed...if I use just amp straight it never is a big deal out playing...the upgrade is your best option...
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Post by zpilot on Mar 16, 2019 5:34:44 GMT -7
Mine gets noisier as I turn up too...its not completely void of hum/buzz...I do find its no more noisier than a twin reverb or deluxe...I can live with the amount (reverb) I get and do supplement if more needed...if I use just amp straight it never is a big deal out playing...the upgrade is your best option... ...because when they do the upgrade they also do a thorough check-up . It's like getting a new amp and they will deal with any noises like you are experiencing.
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