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I bought a digital voltmeter / ammeter from Tayda and put a male and a female 2.1mm DC plug on it, I just place it between my power supply and the pedal I am checking. The voltmeter-Ammeter cost me a huge $1.59, I was lucky I had plenty of spare DC plugs and sockets or I might have been in...

And don't forget the Artwork files that go with the Drill template. I have some spare Unagi transformers so I just need the PCB as well, and the PCB will usually take about 2 weeks to get to me Under Downunder. If I could order the PCB I would not need the Artwork or the Drill Template...

This is the reason I have several jewelers loupe's on my workbench, I have 10x, 20x, and 30x magnification just to inspect my solder joints on all my builds. My loupes are cheap ones from fleabay but they do the job perfectly, I would advice everyone to get some of these because you will be...

For a flat response you want the Bass and Treble on 0, if you turn the Bass up it increases the bass response but if you leave the Bass on 0 and turn up the Treble then the treble increases and it will cut some of the bass as well. Nobelium uses a standard Fender tone stack except the mid is set...

If I did it on a HV capacitor I think I would add a resistor (2M-5M) to each extra cap to pre-charge it up to HV, I don't think the resistor will change anything tone wise but will help with pops and arching in the switch. The caps would have to be HV caps just like they are paralleling. I don't...

It makes it a lot easier to understand when you see the graphs for the frequencies, that's why I love the Ampbooks calculators. I only found them last year myself, I have hardly ever worked on anything with tubes until very recently, the only times I did was on some very old machines in a...

The only thing I can pick on is that it looks like you soldered the pots onto the PCB without mounting them in the box first, otherwise it looks like a good build. When you solder pots and switches onto the PCB it is best to mount them loosely onto the PCB, maybe bend the leads a tiny bit so...

Would you be able to take some pictures of the pot side of the board so we can see if there is a problem ? If you post some pictures it might be obvious to someone else what the problem is. Thanks Mick

I am curious if there is any progress on the drill files or the artwork for this one, I keep stalling a Tayda order so I can include the Steddi-Go box in the order. I don't care if I order the box before i get the PCB, and I have already worked out the schematic weeks ago. Hopefully the...

This is how I would add a deep switch, that way I could have it original or deep tone if I wanted to. I would not mount C2 on the PCB, I would run 2 wires from the PCB holes for C2 to a DPDT switch and then mount the capacitors on the switch. It would be a lot easier to change the caps on the...

The frequency range is usually determined by basic high pass and low pass filters in amplifiers, there are other filters as well like the bright caps which are like a treble pass pass filter, I am still trying to get up to speed on all this since I have only worked on industrial electronics and...

You should have voltage on the left side of R12, the right side of R12 goes to pin 4 of the switch PCB which is grounded through the switch and then to ground at pin 3 of the PCB. The left side of R12 goes to the 2 right pins that go to the tube PCB, the 2 pins then go to the right side of the...

Check the voltages on pin 3 and 4 of the foot switch PCB, (1 on left and 6 on right), pin 3 should go to ground and pin 4 goes to R12. R12 is the voltage drop resistor for the led, the left side goes to the LED and the right side goes to the foot switch (pin 4).

I would wait for the C2CE Unagi one to come back in stock but if you must have a Jensen try here:\ EDIT: Never mind, it looks like they are sold out. https://store.generalguitargadgets.com/products/jensen-jd-db-epc-transformer?variant=32415759401044

Great you worked it out, now I might have to make one more myself. I wonder how a Sushi Greenhouse would go between the Bassdude and the amp, it looks like an effects loop pedal that Nathan is releasing soon. https://www.talkbass.com/threads/the-sushi-box-fx-secret-society.1484792/post-28929602

Make sure that the 4kHz is not coming from your 9V power supply. ( or 12V Supply )

Just switch out C6 100pF out of the circuit and its a normal channel. The bright caps are a HPF that cuts out a lot of lower frequencies from the signal, you never want bright caps if you use a bass guitar. I think that putting the bright cap on a switch is the only mod I made on my Bassdude...

Most likely because of greedy people buying your transformers just to have in the spare parts box, I have 2 spare ones at the moment at home. :sneaky:

I would try to use the spare triode and make it into the missing input channel on the bass dude, it should have a bright and normal channel on the inputs. Perhaps a buffered send/return could be added between the bassdude and the amp module. There is a pedal called the Paramix that is a nice...

I didn't know you could go overkill when it came to tubes, or power, or how many pedals, guitars, amps you own. At least not as long as the boss don't find out. (and then I say it must belong to our daughter)