Crystal Lattice Silverface on permanent breadboard

mybud

mybud

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So I breadboarded the abovementioned Silverface for a lark (and while I'm waiting for some PedalPCBs to arrive). I thought I'd make things permanent, so had to get from there to here:

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I also wanted to solder the four pots (no, @Feral Feline, not the Four Tops ;)) to the board to make things sturdier within the enclosure. I entertained the brief thought of a switchable 9 or 18V option for moar headroom. Abandoned this ambitious idea because it sounds great at 9V anyway.

First breadboard attempt has as much spaghetti as a Shanghai Noodle Factory on a good day so I moved the 072 up into the middle of the board, which helped but didn't eliminate the noodles altogether. Next step was to deploy one of @Robert's permanent breadboards (details here): a brilliant invention on his part.

I aimed initially for a 125B but couldn't quite get the jacks to clear the top row of components, so opted for a 1590S in portrait mode.

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Marginally better noodle-wise but I also remembered a lonely relay switching board that I'd forgotten I ordered awhile back: yet another fantastic idea on our esteemed constituent's part.

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So here's the finished article, which I'm glad I started on breadboard because it sounds fab. Lots of headroom and Fender-ish toan available; IOW, it gets way loud and furry as it's dimed. FWIW I replaced the B25k low end pot with a C50k with a 51k resistor in parallel, so that the low end crunch becomes available more gradually rather than at the extreme end of the original.

As always, thanks for reading and wishing you well with whatever you plan and build.
 
THIS BUILD ROCKS! 😻

Great build report, too.
Four Tops Pots Toppots poppets ...
Shanghai noodle factory ... 😹


Hmm I think I know what I'll do with my solderable breadboard... an "original" idea I had. Thanks!
 

Was it Mason or Winwood playing bass on this track, I wonder?



IMO, it seemed like a dearth of spaghetti in your build, the Shanghai Noodle Factory workers slacking off — so I had a closer look to see how you wired the pots (hidden underneath?) — mounted right in the PCB, bravo, well done! 👏

I was looking at my schematic and thinking I'd have to do a lot of offboard wiring, make the SNF-workers put in some overtime, but I'll try to arrange things to get the pots on my PCB, too.
 
Feral Feline said:

Was it Mason or Winwood playing bass on this track, I wonder?



IMO, it seemed like a dearth of spaghetti in your build, the Shanghai Noodle Factory workers slacking off — so I had a closer look to see how you wired the pots (hidden underneath?) — mounted right in the PCB, bravo, well done! 👏

I was looking at my schematic and thinking I'd have to do a lot of offboard wiring, make the SNF-workers put in some overtime, but I'll try to arrange things to get the pots on my PCB, too.
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Yeah indeed, that was the challenge: to mount the pots direct to the PCB. I tack-soldered the middle terminal for starters and carefully bent the whole pot upwards to gain access to the intervening connections that needed making.

Try to avoid populating any tall components near the DC and input/output jacks or mount them on the other side of the board. Next one I’m going to use the very top row for the upper two pots to assure enough clearance for the aforementioned jacks. But it’s sturdy and worth the time and trouble to know it’ll survive most road action, Godzilla excepted 😎
 
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It’s Steve playing bass, one of my all-time fave musicians and singers FWIW. He could sing the evening news and make it sound uniquely his own. Empty Pages’ electric piano solo (among others) showcases his considerable improv skills TMM.
 
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