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Already fixed this years ago. Pcb quality issues. Power section was not connected to ground

Hello, thanks for looking. I followed the mods online google or youtube “verthein guitar works” and on the marshall amp forum look for the princeton tsa15 mod, although i did not follow that, there’s progile RyanV replying to that with a better mod compared to the OP. I assume RyanV is same verthein guy. I did make adjustments to mine to my prefered liking , i didnt do his full mods

Clean or replace your group valve mushroom

Thank you 😊

Leaking steam boiler. Cracked coffee boiler. All can be reppaced with gaggia parts 50$

Hello. Google marshall haze mods. It will be the first result in google www.marshallforum.com/threads/jcm-800-mod-for-marshall-haze-40.53010/

Yes i fixed it in the following videos. Bad circuit board. Powersection was not grounded

You d be surprised how boring it is to watch full videos. All vids here come in pairs , theres a vid with full unedited and theres vid like this who just want the gist. Imagine watching someone counting the beans on the scale, then slurping the espresso at the end and staring pondering at the window

My machine, and i do my recipes. I dont tell you to make ristretto with your beer tap or fruit juicer right?

Tell your pal David schomer we hated the ristretto fad he did in the 2000s. Please stay on those years please

Yup faux relic’d by the owner. Just installed pickups for him

From a bike suspension fork. It fits nicely inside the stock spring. Mind you, it is now harder to compress both springs, but i have increased the length of the lever to compensate

Hello, it is a hack. I used a spring from one of my bike suspension fork. For some reason i was in luck and it was stainless. Not that it has any contact with water.

Hello, i was out of warranty so I have dealt with this myself. Simply bought generic motors in aliexpress. But if yours is under warranty, have it replaced by your retailer first

Sure go AHead

Yes. 10bars static. 9bars dynamic. Just opv calibration on this specific machine. Had PID on the other one

Hello @@severthee How did you adjust the OPV on this machine? Is it on the one end of the T-bar coming above the boiler? I want to achieve 9 bar but not sure how to do it. There's so much info for GCP but no the Coffee Deluxe! Thanks so much!!

Thats a 15bar safety valve on the pump. It can be adjusted by filing the barb. But best to replace it with a gaggia baby OPV

It’s actually big enough to accommodate big portafilter. You can try a saeco but you have to grind the ear to go clockwise

@@severtheeinteresting It's a bif hassle or can it be done with a regular hand file?

I used a handfile. Some portafilters are softer like a delonghi 51

@@severthee thank you !

Hello. Can 54mm fit on the original portafilter of the rok?

No need to cut any wires. Wires have connection terminals. Speakers have terminals

@@severthee ok so existing speaker wires to attenuator input and output to speaker?

Yes, it is the first result when you google diy attenuator. From guitar.com

Hello thanks for your comment. It is a common circuit and can be found online. I googled toneking ironman schematic and made revisions depending on my use and budget

No , there is a switch at the top to bypass. The other switch compensates for treble loss on high attenuation

Thanks for your comment, the attenuator is basic run of the mill lpad circuit. Whatever the others have achieved before me with any attenuator in a fender tube amp particularly the black face tone circuit is pretty much the same as mine. Very hard to capture this in video as the mic compresses everything the softest and loudest. It mostly capture the tone change and saturation

What is the difference between using a attenuator or just cranking the amp and turning down the volume knob on the guitar?

Yes, same fine grind size as i use with my strega. Without it, it makes weak watery espresso since it can not generate more than 5bars with a coarse grind