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I checked the resistor values in your pictures and they look good. I don't have a Nobelium with me at the moment, but these are some measurements I've taken previously.

Does one of your output jack tabs touch the enclosure?

I meant “Smarter than me” 🤪

Hi Retty, Thanks for reaching out. There are much smarter people who will ask more questions:) Two things to begin with. 1. Please post some good photos of the pcb board. 2. Have you tried swapping out the tube. Any 12AX7 compatible tube will work.

Soo... I've really enjoyed the extra bass response mod for the Bathtub Reverb. I was wondering if anyone can find fault with the idea of adding a bypass switch to remove the reverb module so it acts as a simple tube buffer and gain stage. I was thinking of bypassing from after the C2 (in my...

Thanks Mick. An elegant mod!

I've had success squeezing one of these between the enclosure and the PCB. I do cut the legs off though. https://www.taydaelectronics.com/tayda-500k-ohm-logarithmic-taper-potentiometer-d-shaft-pcb-11mm.html I like the above idea of replacing the xlr trim pot with a pot wherever you want it...

As an update, Tassieviking's idea of 2M resistors accross the switch to pre-charge the high voltage capacitors works a treat. This is the quietest switch on my board.

I ended up getting that RODE branded one and took on the project. I have some Jensen’s on back, back, back order with a hope and a prayer that they come sometime this year. I want to make the most of the time it’s taken to design my UV print and find the parts :) I’m really keen to see how the...

I should have read further down the comments :) The Unagi unit is my go-to, but the guy loved the “Jensen” name. Has fallen through now in any case. I have just bought a FWBIM v3 so I’m selling my nobelium to fund more parts for another C2CE build :)

I’ve messaged the seller some days ago, but I haven’t had a response.

Ahh… cool. Yes, I normally use the E4305 but he really wanted the Jensen name. Nearest I could find in stock with postage to Australia was closer to Au$400 than $300. Not worth it.

Hey Smrtokvitek... I had someone ask me to build a Nobelium with a Jensen transformer... where did you find this almost mythical beast?

So here is my Bathtub Reverb for Bass. Was happy with the build and used a three way Guitar/Deep Guitar/Bass mod and LED patch thanks to #Tassieviking If you want this for bass, I must recommend the Bass mod for C2. I now get three different sound profiles which only extends the use of this...

Hey Bison, If you are looking for saturation and OD, I'd strongly recommend the Particle Accelerator PCB set from C2CE. There is a known way of bypassing the eq if you want to mod it and then it's pretty much the old SushiBox Space Heater. It's what I use as my first drive stage.

Just to let you know. I finished my build and it has exactly the same issue. So it looks like a fault in the batch. I also used Mick’s suggestions re the Norm/deep/bass and can confirm the bass is preserved on the bass setting Sounds good and the LED works!

Totally agree! You’ve helped me a lot, my modded BassDude wouldn’t have happened without it.

Thanks Mick 😎 It’s taken me a few goes to get my head around how these resistors fit. It just felt weird “shorting” the switch even though it is with such a high resistance… I’m with you now. With your 2P3T you have “Bass” labeled as C1+C2+C3 but drawn “Down” as C1+C3. I suspect that the...

I think this is how I’ll wire it… just need to drill that extra hole in my BTR

A suggested list available from Tayda C1 470nF 630V A-4849 C2 4u7F 400V A-3338 C3 22uF 400V A-3336