Final Cherry Bomb Boards - Now with more cherries!

[Rogue]

Several traces had to be re-routed (I forgot a few had to be re-routed to make things a little slicker when you use the footswitch (it takes over completely now whereas before you had to set all the switches "on" except for the sat switches for it to work. Now it just works no matter where the individual switches are set - had to fix that one or people would be like WFT!? when they connected the footswitch, and of course, no one reads manuals! ), but I assume you're joking based on the amount of traces in this amp...

Steve

Yeah, there are ample traces for sure.

You had mentioned some oscillation issues and was curious as to how you went about correcting it.

 

[MississippiMetal]

Are those main filter caps CDE 380 series?

They are F&T caps...

Steve

My heart told me F&T's, but I honestly wasn't sure if F&T made radial lead PCB mount caps like that. I've recapped plenty of amps with the F&T Cans and the black, axial lead ones, but never the blue radial leads.

 

[Spaceboy]

I love your sense of simplicity and minimalism with these designs, even down the boards, it comes together elegantly. I can't wait 'til hear the final production models!

 

[MississippiMetal]

Those boards look pretty heavy duty, too.

I absolutely hate working on thin, cheap PCB. You're almost guaranteed to lift a solder pad if you have to heat it more than once or twice.

 

[Digital Jams]

Not sure I could gig with cherrys on the boards.......................should have went with the classic orange marshall design.












Outstanding work, the chassis looks great with the new boards installed and can't wait for you to start filling orders

 

[Anonymous]

Not sure I could gig with cherrys on the boards.......................should have went with the classic orange marshall design.

Yeah, could be embarrassing!

Outstanding work, the chassis looks great with the new boards installed and can't wait for you to start filling orders

Thanks, brother! I'll know as soon as I fire up these "final" boards tomorrow!

Steve

 

[Anonymous]

Those boards look pretty heavy duty, too.

I absolutely hate working on thin, cheap PCB. You're almost guaranteed to lift a solder pad if you have to heat it more than once or twice.

Yeah, these are all 1/8" thick - no worries about the PCB mounted preamp tubes for sure...

Steve

 

[Anonymous]

Several traces had to be re-routed (I forgot a few had to be re-routed to make things a little slicker when you use the footswitch (it takes over completely now whereas before you had to set all the switches "on" except for the sat switches for it to work. Now it just works no matter where the individual switches are set - had to fix that one or people would be like WFT!? when they connected the footswitch, and of course, no one reads manuals! ), but I assume you're joking based on the amount of traces in this amp...

Steve

Yeah, there are ample traces for sure.

You had mentioned some oscillation issues and was curious as to how you went about correcting it.

I used my o-scope and sig generator to note where they were occurring and then moved probes around until I found the parallel traces that were causing the problems. I then cut traces and installed shielded cables to jump between areas that had the problems...

Steve

 

[MississippiMetal]

Did you have input and output traces running parallel for too much distance?

 

[mapat]

Looks like a bomb-ass amp man!

No pun (well i guess maybe just a little) intended.

 

[Shiny_Surface]

Looks great Steve.

If I get another amp I would definitely have this at the top of my list.

 

[Chubtone]

That looks so clean inside and looks like it will be so easy to service. That certainly doesn't look like anyones first production amp.