By-pass circuitry

Discussion in 'THE Gretsch Discussion Forum' started by Falcon LPB, Oct 9, 2019.

  1. Falcon LPB

    Falcon LPB Gretschie

    Aug 15, 2019
    Sydney, Australia
    Hi folks,

    I am in the midst of putting my pedal board together - mostly Duesenberg drives. However, I have noticed that some of the older pedals often used with Gretsch guitars do not have by-pass circuitry.

    Can anyone give me the heads up as to whether the following 3 pedals has by-pass circuitry:

    1. Ibanez Tube Screamer Ltd Ed TS9
    2. Vox Ice 9 Satriani overdrive
    3. MXR EVH 5150 Chorus

    I have been offered the above 3 as a group of pedals and my research so far has not found whether or not they do have by-pass - it would be a deal breaker for me. If I get all 3 and only one does not have a by-pass, I coud sell that separately. I have heard good news about all 3 pedals and want the flexbility to switch them off or on without affecting switching on or off the whole board.
  2. hcsterg

    hcsterg Country Gent

    Feb 13, 2012
    AFAIK :

    1 - not TPB, but solidstate flip-flop buffer BP
    2 - I don't know ???
    3 - possibly hard wired TBP ???

    pmac11 and Falcon LPB like this.
  3. Falcon LPB

    Falcon LPB Gretschie

    Aug 15, 2019
    Sydney, Australia
    Brilliant. Excellent information not on any website I can find. Plenty of websites laud the virtues of these pedal but they do not talk in terms of how they may fit in a chain. This has a major influence on their utility. I note that a number of the early pedals have a buffer which can be an issue.
    Any others have any info on these 3 pedals?
    Last edited: Oct 9, 2019
  4. Falcon LPB

    Falcon LPB Gretschie

    Aug 15, 2019
    Sydney, Australia
    Post script:
    For those who have not come across this before, the following website is useful:
    pmac11 likes this.
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