Recent content by Flying

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    Check it out!

    Page 12 had me pause a moment!
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    Sandspur

    I quite like my FuzzFace with BFY52 transistors, much lower gain than a BC108. 92 hFE Q1 106 hFE Q2 But I plan to put one together with BC182 transistors over the weekend, which I may prefer ;)
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    My own take on the Duocast

    I really should try one of these, what transistor did you use, it looks Russian?
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    Progress!

    In Parallel? I think you might have 400uF there. In Series they will total 25uF
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    Ibanez Tubescream

    You can get a momentary switch that has two contacts. https://www.switchelectronics.co.uk/off-on-momentary-push-button-foot-switch-spst?gclid=CjwKCAjwgviIBhBkEiwA10D2j_dzDFyRRZRaGM2-W2jh7ZCKhf39BYXoeGfTtTxBv14Vw6Vjku1Q8RoCVNIQAvD_BwE The switch is not itself directing the signal path through...
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    Welcome!

    Nice place you've got here Fig... I can still smell the fresh paint :)
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    Ibanez Tubescream

    I think you want a momentary switch not a latching switch.
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    Two Rock Mayer Preamp Pedal - Tube not heating

    With this being a genuine PreAmp, can it be used as a pedal into the front end of an amp, or do you feed it into the return of an amps effects loop?
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    Getting old...

    I'm lucky it's just in the last 18 months my eyes have stopped focusing quite as close as they uses to, thankfully it's not been a problem when reading or in everyday life, just SMD soldering and drilling small holes. I did learn quickly yesterday not to look around the room while wearing the...
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    Two Rock Mayer Preamp Pedal - Tube not heating

    That's great, hope it sounds good.
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    Getting old...

    I started drilling, gave up, got in the car and drove to a supermarket where I bought some reading glasses, came back and was able to see what I was drilling! I feel it is down hill from here :oops: As a side note, any etchers here?
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    Two Rock Mayer Preamp Pedal - Tube not heating

    Okay, it looks like you just need to disconnect pin 9 from pins 4&5 and connect pin 9 to ground, which is the solder tab next to the 6v output on the SMPS board.
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    Two Rock Mayer Preamp Pedal - Tube not heating

    Cool project by the way... Tempting :)
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    Two Rock Mayer Preamp Pedal - Tube not heating

    If I've understood you correctly 4, 5 and 9 are all connected together? If so this is wrong, your 6v to pins 4&5 is correct. Pin 9 will need to be connected to somewhere else, I'm guessing ground. But sometimes filament heaters come off a transformer winding with a center tap, and it's the...
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    Two Rock Mayer Preamp Pedal - Tube not heating

    You say you have 6V on the heater filaments, I just want to check that the 6v is between pins 4 and 9, in your diagram you only have a conection going to pin 9 there is nothing connected to pins 4&5, i.e. nothing to complete the circuit.
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