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    fv-1 development board pcb build documents and instructions

    Hey guys, I think theres an issue with my board. It doesnt pass any signal, clean or otherwise
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    Thermionic Deluxe background noise/hum/hiss

    Yes but it lowers overall gain which defeats the purpose of the pedals IMO.
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    Thermionic Deluxe background noise/hum/hiss

    No, its specific to when a guitar is plugged in, hand on strings and not playing. The amount of noise changes with each channel because one is lower gain than the other Sadly I dont have any built pics Its basically the same noise coming from cranking up the gain on almost any pedal, its not...
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    Thermionic Deluxe background noise/hum/hiss

    The noise is dependent of the amount of gain, its basically white noise, not squealing.
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    Thermionic Deluxe background noise/hum/hiss

    I am experiencing quite a lot of background noise from this pedal, even while enclosed. I am using a wall wart and I am not daisy chaining anything. Several higher gain pedals produced much less background noise than the Deluxe using said wall wart and I've read quite a few times online that the...
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    Keeley Synth 1

    I've seen the gutshots, looks like a FV1 chip and an EEPROM
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    Dwarven Hammer and Tight Knob question

    I viewed the schematics for various pedals with Tight Knobs like the Thermionic OD or the Tight Metal and I saw that it is a high pass filter placed between gain stages. The question is how similar is it to the Dwarven Hammer's attack control? Which seems to be the same, except that it varies...
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    FV1 based polyphonic synth?

    How would you go about doing that? Something similar to the Synth9, but with 3-8 presets and 3 available knobs? Especially using something like SpinCAD.
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    Tyrian distortion squeeling

    I use an Ibanez SA960QM with Dimazio/Ibanez pickups, the overdrive was a Zendrive but the signal was even before by a spillter/mixer and the Zendrive.
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    A pedal to rival the POG2's attack capabilities

    OK so here's something else I'd like to see if possible. The EHX Attack Decay in 125B form, is that possible?(I mean you managed to put the Hetrodyne in one)
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    Tyrian distortion squeeling

    OK can someone please explain this phenomenon to me? I put an OD I built before the Tyrian to act as a clean boost/buffer and THE SQUEALING IS GONE. I heard that putting a buffer before such a pedal mends the situation and it DID, how?
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    Tyrian distortion squeeling

    Its the same type of squealing that happened on the Brown Betty, I was capable of somewhat remedying it by increasing the 47pF(I think cap) in the feedback loop(compensation cap? Like in the RAT?). Its definitely electronic oscillation because adjusting certain parameters and the volume knob on...
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    Tyrian distortion squeeling

    You didnt bet never mind that, besides from what I read on forums it doesnt help. If anything I should try to solder one TL074. Lowering the far below unity works.
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    Tyrian distortion squeeling

    My LEDs dont have a flat side but from what I understand the flat side is the kathode, I put both of them through the square holes.
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    Tyrian distortion squeeling

    Does a buffer help?
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    Tyrian distortion squeeling

    I am fairly certain I have some headphones lying around. As for the bypass, I am using a effect tester type thing from Delyk with a 3PDT switch.
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    Tyrian distortion squeeling

    Well sadly I dont have any. I do have some copper tape though.
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    Tyrian distortion squeeling

    Here's the deal, the Brown Betty I built also squealed but after increasing one of the ceramic caps, the 47pF one I think, it was far more controllable. I thought that maybe increasing one of the 100pF caps here might help.
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    Tyrian distortion squeeling

    It is when the gain is above half, and when the volume is at unity
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