Home › Forums › Help/Technical Questions › Grand Canyon hiss problem

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  • December 15, 2018 at 8:56 pm #85599
    Muzak
    Member

    I finally received the new EH Grand Canyon. I never used the Canyon so I’m not able to compare the two pedals. I’m getting an excellent first impression, the pedal will take some time to fully explore all the functions and possibilities, but I can already say that it’s like THE Swiss army knife of delay pedals. TINY and crammed with spectacular sounding delays and effects.
    There is one problem though, and it’s kind of bugging me a bit. The pedal has a really noticeable hiss when engaged. Both the delay section and the looper section. I honestly wasn’t expecting that, hiss for me was sort of a thing of the past in a delay pedal (or in any pedal apart from fuzzes, ODs and distortions). I have/had a lot of different delay pedals and none of them have this crazy hiss. Actually none of my other EH pedals have that problem. Switching the pedal on almost reminds me of the sound of lighting a Bic lighter. Is that how the pedal is supposed to sound? I guess it wouldn’t be that bad in a live situation, but I’m not really sure about recording. Again, it’s extremely noticeable. Could it be that I got a faulty one? Or is that the price we are supposed to pay for having so many amazing functions in a exceptionally small enclosure for less than half of the price of the Strymon Timeline? I really need an answer to this in order to decide if it’s a keeper or not… I honestly hope I got a slightly defective unit that can be replaced with a quiet one so that I can be happy for the rest of my life….

    December 15, 2018 at 9:35 pm #124638
    EHX STAFF
    Keymaster

    I recorded the demo direct and had no noise issue at all.I used the EHX supply.
    Not sure what your setup is. There may be some impedance issue??
    OR the pedal could be defective.
    You are best to write the techs on Monday at info@ehx.com

    December 15, 2018 at 10:27 pm #124640
    Muzak
    Member

    Hey, thanks for replying! Honestly this is the kind reply I was hoping for! I tested the pedal both in my super quiet signal chain with my other pedals AND as the only pedal between guitar and amp. Tried it with different guitars and pickups, both in stereo and in mono. The hiss is the same. Dead silent in bypass, hissy when switched on.
    I only used the EH power supply that comes with the pedal.
    I’ll follow your advice and contact the techs on Monday. If it’s confirmed that the pedal is not meant to be hissy at all, I will get in touch with the UK supplier I got it from and ask for a replacement. The pedal itself is a stunner, it would be really sad if such a quality little unit was ruined by all that hiss! Especially a delay pedal, that is supposed to shine in clean and quiet parts….
    Fingers crossed.

    May 3, 2019 at 9:30 am #125168
    TacklingDummy
    Member
    Quote:
    Hey, thanks for replying! Honestly this is the kind reply I was hoping for! I tested the pedal both in my super quiet signal chain with my other pedals AND as the only pedal between guitar and amp. Tried it with different guitars and pickups, both in stereo and in mono. The hiss is the same. Dead silent in bypass, hissy when switched on.
    I only used the EH power supply that comes with the pedal.
    I’ll follow your advice and contact the techs on Monday. If it’s confirmed that the pedal is not meant to be hissy at all, I will get in touch with the UK supplier I got it from and ask for a replacement. The pedal itself is a stunner, it would be really sad if such a quality little unit was ruined by all that hiss! Especially a delay pedal, that is supposed to shine in clean and quiet parts….
    Fingers crossed.

    Any updates? I have notiiced the same.

    May 3, 2019 at 9:52 am #125169
    Muzak
    Member

    Update: the pedal is fine in a live situation. In studio (or any other environment that requires the cleanest signal with as little background noise as possible) I found that having a pedal that can slightly reduce the output gain AFTER the Grand Canyon and BEFORE the amp completely solves the problem. I have a stereo setup and the last pedal in the chain is the Lehle Dual, which has separate gain controls for both channels. Reducing the gain in the Dual magically gets rid of the hiss. It’s been a total honeymoon with the Grand Canyon after discovering this trick!

    January 31, 2020 at 6:00 pm #125789
    sanzolome
    Member
    Quote:
    Update: the pedal is fine in a live situation. In studio (or any other environment that requires the cleanest signal with as little background noise as possible) I found that having a pedal that can slightly reduce the output gain AFTER the Grand Canyon and BEFORE the amp completely solves the problem. I have a stereo setup and the last pedal in the chain is the Lehle Dual, which has separate gain controls for both channels. Reducing the gain in the Dual magically gets rid of the hiss. It’s been a total honeymoon with the Grand Canyon after discovering this trick!

    HI, did you find another solution? I have the same problem and I can’t get rid of the hiss. Thanks!

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