Yes, Another JTM45 Build!

[Chris-in-LA]

Got this little package in the mail from Valvestorm today and couldn’t resist starting on it. I’m still waiting for the Metrospec transformers and need to order a cabinet from Sourmash.



This is what was in the box.


Decided to start wiring the board in the meantime. This is actually Step 10 in the manual.

 

[jessemhopkins]

Got this little package in the mail from Valvestorm today and couldn’t resist starting on it. I’m still waiting for the Metrospec transformers and need to order a cabinet from Sourmash.

View attachment 77260

This is what was in the box.
View attachment 77261

Decided to start wiring the board in the meantime. This is actually Step 10 in the manual.
View attachment 77262
View attachment 77263
View attachment 77264

Awesome! You might beat me. What tubes are you using?

 

[Chris-in-LA]

Finished with all the leads.

 

[Chris-in-LA]

Awesome! You might beat me. What tubes are you using?

I’m going to start with some combination of these.

 

[neikeel]

Can't be a proper JTM 45 - the control wires aren't all pink!
Actually doing it in those colours is more sensible - stops confusion.

 

[Chris-in-LA]

Can't be a proper JTM 45 - the control wires aren't all pink!
Actually doing it in those colours is more sensible - stops confusion.

Hey, that’s the wires that came with it. And, you were right, those wires are rated for 1000v.

 

[Chris-in-LA]

Finished the board today. Ordered the cabinet from Sourmash yesterday. No word on the transformers.

 

[Trouble Free]

Ordered the cabinet from Sourmash yesterday.

View attachment 77344

same as your last one? ready for logo

 

[Chris-in-LA]

same as your last one? ready for logo

I’m going to have one made to match my small box 2204.

 

[Chris-in-LA]

Did a little more this afternoon. Man, I wish I had the transformers. Not a whole lot more can be done until then.

 

[neikeel]

I am waiting on some transformers too, but mine are from Mr Wallace, the special order ones are made to order so I expect a longer wait- it is to repair a very special 45/100.

BTW you can get pots and input jacks in, heater wires (look at the Valvewizard site for the method of going in the chassis corner but when you come to the socket keep twisting and go across the middle of the socket) Marshall used this in some amps in 64/64 and to my view is neat and quiet. You can also get fuses and switches wired up in preparation

 

[Chris-in-LA]

I am waiting on some transformers too, but mine are from Mr Wallace, the special order ones are made to order so I expect a longer wait- it is to repair a very special 45/100.

BTW you can get pots and input jacks in, heater wires (look at the Valvewizard site for the method of going in the chassis corner but when you come to the socket keep twisting and go across the middle of the socket) Marshall used this in some amps in 64/64 and to my view is neat and quiet. You can also get fuses and switches wired up in preparation

I thought I might start on the pots and jacks and heater wires. So, heater wires like this?

 

[Guitar-Rocker]

Yes. That method gives your build the best chance of less filament noise.

 

[jchrisf]

Got this little package in the mail from Valvestorm today and couldn’t resist starting on it. I’m still waiting for the Metrospec transformers and need to order a cabinet from Sourmash.

View attachment 77260

This is what was in the box.
View attachment 77261

Decided to start wiring the board in the meantime. This is actually Step 10 in the manual.
View attachment 77262
View attachment 77263
View attachment 77264

Chris, is this the $374 kit from Valvestorm or did you have to add to the kit.. looks like a choke needs to be added (not counting the cabinet).

 

[Chris-in-LA]

Chris, is this the $374 kit from Valvestorm or did you have to add to the kit.. looks like a choke needs to be added (not counting the cabinet).

Right, that’s the kit I got. I ordered the PT, OT and choke from Metropoulos, another $350 and a cab from Sourmash. So, about $1000 all in.

 

[jchrisf]

Right, that’s the kit I got. I ordered the PT, OT and choke from Metropoulos, another $350 and a cab from Sourmash. So, about $1000 all in.

Thanks.. Metropoulos has the best PT, OT and Choke?

 

[Big Mike]

Thanks.. Metropoulos has the best PT, OT and Choke?

Best is a loaded term.

The metro iron is great.
THe marstran iron is great
the merren iron is great.
The classictone I good.

Hard to go wrong really. It's debating that final 3% of the tone.

 

[Chris-in-LA]

Thanks.. Metropoulos has the best PT, OT and Choke?

I went with the Metropoulos stuff after watching George’s JTM45 videos on YouTube. His amps seemed to really capture the tone of a vintage jtm45. I also built a Ceriatone JTM45 recently and will be able to compare the two when I’m finished with my current build.

 

[jchrisf]

I went with the Metropoulos stuff after watching George’s JTM45 videos on YouTube. His amps seemed to really capture the tone of a vintage jtm45. I also built a Ceriatone JTM45 recently and will be able to compare the two when I’m finished with my current build.

Yeah, I will be curious to hear what you think because that Ceriatone is a little less in price... unless shipping is horrible.

 

[Trouble Free]

this must be the one


or