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The current draw is 120mA. I would use a TEC 3 because the range of the input voltage is better (4.5V...13.2V). The input voltage of the TMR is 9...18V. Most power supplies deliver just under 9 volts. The Tracos react very sensitively to undersupply.

The diode shown above is used in the Kasleder Jellyfish...

Does anyone know which diode this could be?

I used a similar filtering like aion. The noise level is really low, no high pitch like with the 1054 - charge pumps. I use also a SC-40 and a SC-50. I cloned the SC-50 too...

I used a Traco 2-0923.

I really like it to play a Traynor YBA-100 or YBA-300 amp. But I wanted it a bit smaller. So I used the factory schematics to create a pcb and to built a preamp:

No, it is a modified dual pot. The Saturation-pot is a dual pot is 10k and 1k. That is not to find in regular sources. So I need a own one: I used a dual 10k and a mono 1k pot: I disassembled the 1k pot: I diassembled the dual pot: I swapped the bottom of the dual pot for the one of the 1k...

I built the Century Preamp some time ago. Due to the number of pots I used a larger enclosure: My goal now was to use a smaller enclosure:

Ashly SC-40 Clone I used the factory schematics to create a pcb: Layout enclosure: assembling the pcb

Last one in 2024:

Yes, it is a VCA-based compressor.

Yes, I used a decal.

Next: Enclosure

One of my earliest builds was a Sunn Beta Bass (one channel): After that, I wanted to build a "full" Beta Bass Preamp. I used the Factory Schematics to create a pcb: Then I used a milling machine to create a enclosure: done:

@Robert Which soldering iron do you use here for desoldering?

After successfully rebuilding my version of the Ashly SC-40, I came up with the idea of converting my long-used Ashly SC-50 into a pedal too. The factory schematics can be found on the Internet. My goal was to fit everything into a 125 BB housing. And everything should be made with conventional...

Grazie! :)

@Robert Is there no way to get the schematics for the Drebbel Preamp?

Any update on this?