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You can find it here: https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1311.R1.TR1.TRC0.A0.H0.X6j1+tube+preamp.TRS0&_nkw=6j1+tube+preamp&_sacat=0&LH_TitleDesc=0&_osacat=0&_odkw=tube+preamp You can find this popular Chinese…
These models create a case for the ubiquitous cheap Chinese 6J1-based tube audio preamp kits. I bought one as an example piece for some Hackaday articles about audio, and since it's a bare PCB and thus a bit fragile, it needs a case to…
Remixed version of KVEL's design to also include space for a 12V transformer and some "50's style grill".
So I redesigned the antenna mount to fit a 5G antenna, and fit around a 4,3cm metal pole. I used for 4x m8 bolts, washers and nuts to mount it securly to the pole. I setup my printer with the following settings (to make it even stronger,…
![6j1 Valve preamp case [with transformer]](https://media.printables.com/media/prints/524333/images/4240134_0aa51e58-2109-4b3c-af50-273784ba2d9e/img_20230710_135609005.jpg)
