#1
I am using a Peavey 6505+ combo and running a mxr 10 band and a bbe sonic stomp through the loop. Im getting a really loud buzz whenever I take my hands off the strings or anything metal on the guitar and when I take the pedals off the loop it stops. I was wondering what I could do to fix it so that I can still use the pedals without the buzz.
#2
The earth strap to the guitar bridge is broken.
Gilchrist custom
Yamaha SBG500
Telecasters
Randall RM100 & RM20
Marshall JTM45 clone
Marshall JCM900 4102 (modded)
Marshall 18W clone
Fender 5F1 Champ clone
Atomic Amplifire
Marshall 1960A
Boss GT-100


Cathbard Amplification
My band
#5
There's a wire that goes from earth to the bridge of the guitar. You can check it by measuring the resistance between the earth of the output socket and the bridge.
Gilchrist custom
Yamaha SBG500
Telecasters
Randall RM100 & RM20
Marshall JTM45 clone
Marshall JCM900 4102 (modded)
Marshall 18W clone
Fender 5F1 Champ clone
Atomic Amplifire
Marshall 1960A
Boss GT-100


Cathbard Amplification
My band
#6
Like I said all of the guitars are doing it though. I dont think that they would all be like that.
#7
Noise gate..
I have Washburn guitars 'Maverick Series' and bass 'Bantam Series' and a few pedals and amps, but man I wish to have more patience and drive practicing my playing, if it's equal to the modding itch, then I'm golden.
#8
Still, you are describing a broken earth strap. Can't hurt to check it.
Gilchrist custom
Yamaha SBG500
Telecasters
Randall RM100 & RM20
Marshall JTM45 clone
Marshall JCM900 4102 (modded)
Marshall 18W clone
Fender 5F1 Champ clone
Atomic Amplifire
Marshall 1960A
Boss GT-100


Cathbard Amplification
My band
#9
Is this a ground loop? How are you powering everything?

Have you changed the cables in the loop?
Guitars:
Ibanez RG1570 Prestige
Jackson Kelly KE3 - MIJ (Distortion/Jazz)
Jackson DKMGT Dinky (EMG 81/85)
ESP E-II Eclipse Custom (JB/'59)
ESP LTD EC-1001FR (EMG 81/60)
Fender MIM Strat

Amps:
Mesa/Boogie Dual Rectifier Roadster 212
Laney IronHeart IRT-Studio
Peavey Vypyr 30
Peavey ReValver Amp Sims
TOOOO many T.C. Electronic Pedals. . .
#10
When the pedals are plugged in, there is buzz, when they arent, there is not. So unless that broken earth strap somehow doesnt affect anything when theres nothing in the AMPS effects loop, I dont think thats it.
#11
Im powering everything with just cords going to outlets. And I did try switching out cables a few times.
#12
Any noise generated early in the chain can be amplified by whatever you have in the loop. It can easily be there but not being heard until amplified in the loop.
Just check it.
Gilchrist custom
Yamaha SBG500
Telecasters
Randall RM100 & RM20
Marshall JTM45 clone
Marshall JCM900 4102 (modded)
Marshall 18W clone
Fender 5F1 Champ clone
Atomic Amplifire
Marshall 1960A
Boss GT-100


Cathbard Amplification
My band
#13
Could also be a ground problem with your cables and one of your pedals in the loop. Start swapping cables and take one pedal out at a time.
#14
You likely have a Ground Loop! Try powering all of your gear (including pedals, amp, etc.) from the same source circuit and preferably from the same filtered Power Strip/Power Conditioner.

Also try turning off any other nearby possible sources of interference. This could be lights, dimmers, computers, power supplies, etc. If you switch them Off and the Buzz goes away you've found the source.
Mustang v2 III/IV●EXP-1●FUSE●REMUDA●Yamaha THR10C
Epi LP Florentine Pro●LP Cstm Pros●LP PlusTop Pro●Sheraton-II Pro
Cstm Strat Vntg Noiseless●Guild D-55
So Creek Cables●BOSS RC-1●RS7500
D'Addario Strings●Vari-Grip●Planet Lock Straps
#16
i am going to agree with the earth loop.

get a decent iso supply. i would also highly recommend getting a power conditioner.
WTLT 2014 GG&A

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#17
Quote by samuel-hepfer
How would I go about checking the earth strap?
Use a multimeter. Set it to measure resistance and go between the earth of the jack and the bridge.

Unless you are running EMG's. In which case ignore everything I've said.
Gilchrist custom
Yamaha SBG500
Telecasters
Randall RM100 & RM20
Marshall JTM45 clone
Marshall JCM900 4102 (modded)
Marshall 18W clone
Fender 5F1 Champ clone
Atomic Amplifire
Marshall 1960A
Boss GT-100


Cathbard Amplification
My band