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Amp hiss with pedals

Home › Forums › Discuss Your Gear › Amp hiss with pedals

Tagged: amp hiss, fender champ, noisy amp, overdrive pedals

  • This topic has 8 replies, 6 voices, and was last updated 5 years, 6 months ago by snakechisler.
Viewing 8 reply threads
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    Posts
    • March 22, 2020 at 8:15 pm #164112
      Shotgun
      Participant

        I’ve been listening to lesson ep347 and loving the crunchy Tele. I’ve been trying without success to get that sound with my Fender Mustang and 1973 Fender Champ amp. First of all with a BBE Screamer and now a Wampler Dracarys pedal. In both instances I am getting a lot of hiss from the amp – it sounds like a windy day outside. I know that single coil pickups are more prone to noise but there must be a solution that I’m unaware of. Helpful hints and suggestions are welcome on this one. Thanks.

      • March 23, 2020 at 5:47 am #164126
        Billy
        Participant

          It may well be one or more of your pedals which is generating the noise, plug them in one at a time to find which are causing it.
          Boss ns-2 is a noise suppression pedal, I’m sure there will be others out there too.

          ..Billy..

        • March 23, 2020 at 8:07 am #164134
          charjo
          Moderator

            Shotgun,
            I have this problem at times, also, and don’t fully have the answer. You may have done this already but I think you have to isolate every component of the chain. What sort of hiss do you get, at usual volumes, plugged directly into the amp? Check different electric outlets, turn off other electical sources in the room, ie. LED potlights, etc. Check the different longer cables you may be using from the guitar to pedals and pedals to amp. Check each pedal one at a time. If the hiss comes when two pedals are in a chain isolate the power supplies, by battery or separate adapters or a power cube that isolates each output. If the chained pedals still cause a problem replace the connecting audio cable. I wonder if the hiss sometimes just comes from two pedals in a chain. There are pedal switching devices you can buy that isolate each pedal from one another. That’s all I’ve got, good luck!
            John

          • March 23, 2020 at 11:49 am #164148
            Shotgun
            Participant

              Thanks Billy & charjo, I might be asking too much regarding noise and hiss. I’ve got the use of an Orange Crush 20 which has a grittier sound option, so I’ll try this and keep the valve amp for clean sounds. Will also speak to electrician to see if putting sockets for amps and pedals onto a separate circuit will help.

            • March 23, 2020 at 5:42 pm #164188
              sunjamr
              Participant

                On my modeling amp, I get that as soon as I dial in some gain. If I play clean, no hiss. My tube amp gives no hiss ever, even with gain turned up.

                Sunjamr Steve

              • March 23, 2020 at 6:57 pm #164193
                JohnStrat
                Participant

                  You may wish to get to grips with this as I suspect a ground loop is likely and John Chargo cures are chasing it for you.

                  https://web.mit.edu/jhawk/tmp/p/EST016_Ground_Loops_handout.pdf

                  All the best
                  JohnStrat

                • March 23, 2020 at 7:31 pm #164196
                  Billy
                  Participant
                    Shotgun wrote:

                    Thanks Billy & charjo, I might be asking too much regarding noise and hiss. I’ve got the use of an Orange Crush 20 which has a grittier sound option, so I’ll try this and keep the valve amp for clean sounds. Will also speak to electrician to see if putting sockets for amps and pedals onto a separate circuit will help.

                    I was talking about this with my elder brother earlier tonight, he mentioned that the quality of patch cables can cause amp hiss too, when I asked what he meant by quality he said the overall age and condition of the patch cables, have to say when I was putting a pedal board together Matt recommended that I buy fender made lead and patch cables..might not be your problem but I thought it worth a mention…hope you find a solution soon.

                    ..Billy..

                  • March 23, 2020 at 8:20 pm #164203
                    Shotgun
                    Participant

                      Billy, charjo, sunjamr, johnstrat thank you all. I’ve been twiddling knobs on my valve amp (1973 Fender Champ) and on the Fender Mustang and Wampler Dracarys pedal. The two long leads are Roland and MXR. The Dracarys was the only pedal connected. Now I don’t want to celebrate too quickly but when I counter – intuitively cranked the volume on the amp up to 10 and controlled gain and volume on the pedal, and volume and tone on the guitar using neck pickup – the hiss, etc was reduced by quite a margin. The volume knob on the pedal is barely off its starting point and I can then move the gain about fairly freely as long as the volume knob on the pedal is kept low. Not sure if an 18volt adaptor for the Dracarys would be an improvement over the generic 9volt currently being used.
                      johnstrat I’ll need to rub a couple of brain-cells together before reading the handout you sent, thanks. I’ll take it one paragraph at a time.

                      Stay safe everyone.

                    • March 24, 2020 at 6:32 am #164234
                      snakechisler
                      Participant

                        When I put my pedal board together a few years back the research I did threw up a key factor, you need to sort out the power and if possible have it as an isolated supply.

                        I run a Voodoo Labs supply but there are many out there

                        With hissy pedals it can sometimes be advantageous to have the noisiest at the front of the chain some fuzz pedals are notorious for placement.

                        There is a huge amount of magnetic electric interference floating round a house just by moving my amp to a different location or not having appliances on when I’m recording has made a difference, on the other hand sometimes it doesn’t matter.

                        If you do lots of incremental changes which on their own you can’t tell the difference the cumulative effect can be quite noticeable.

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