What's on the workbench?

[Nostradoomus]

That usb adapter would be awesome…if I run out of taps on my Cioks it has a usb out

 

[tremolowe]

Ooooh a Dagger? I assume it is on the workbench for a reason

Nope, nothing to see here!

 

[flemming]

Oh man that would be incredibly useful for my set up.

I bought one of these a while back, it's been working fine for testing purposes.

USB to 9VDC Power Cable -Power Pedals with a Battery pack!

Power your pedalboard with a phone charger! Plug in the USB connector to a portable phone charger and the standard 2.1mm power connector to your pedals.

lovemyswitches.com

 

[jimilee]

This is post 2000

 

[jwin615]

This is post 2000

And still no parametric eq...

 

[chris.knudson]

That usb adapter would be awesome…if I run out of taps on my Cioks it has a usb out

Handy for that too. I didn't even think about the USB on the CIOKS - I usually just use that to charge my phone during gigs.

 

[Nostradoomus]

Same haha. If there’s no secure spot to leave it otherwise.

 

[chris.knudson]

How do you like my solderless B-C noise filter capacitor solution?

Very clever.

 

[Vicious C]

And still no parametric eq...

I recently built a 5 knob "core shaper" from @dylan159, and find it to be pretty sweet

 

[kanengomibako]

OK, mystery solved.

Today I removed the diodes to reveal the silkscreen. They are in fact oriented opposing as they should be.

D2 is open in my pedal, giving wonky in-circuit measurements.

@kanengomibako
I can also now confirm that they are indeed BAT85S.

I am relieved to know the diode model number clearly.

Actually, the one I analyzed had "D1" open (before analysis). I wonder if this is a coincidence...

 

[Robert]

I am relieved to know the diode model number clearly.

Actually, the one I analyzed had "D1" open (before analysis). I wonder if this is a coincidence...

Ahh now that's suspicious. I also measured across the clipping diode pair before removing the epoxy (from R6 to VREF) and it was open in one direction.

The diode appeared to have been intentionally crushed when I removed the epoxy.

I just assumed "Ahh well, maybe I broke it?" ... but that bothered me because I didn't use excessive force or enough heat that should have damaged the glass...

Since yours was also open that makes me wonder if the diode is a decoy, especially when taking the decoy transistor into consideration.

The pedal sounds completely different and the Gain control is much more manageable without that diode in circuit.

 

[kanengomibako]

Since yours was also open that makes me wonder if the diode is a decoy, especially when taking the decoy transistor into consideration.

Hmmm, we need to find out if another one has asymmetric clipping...

 

[jimilee]

Hmmm, we need to find out if another one has asymmetric clipping...

Crushing a decoy diode seems excessive to me. I wonder the they have broken ones laying around and use those.

 

[Bricksnbeatles]

Crushing a decoy diode seems excessive to me. I wonder the they have broken ones laying around and use those.

Unless they don’t know it’s a decoy diode. Maybe when developing it they broke a diode and they were like “omg! I discovered tone gold! The secret to a good crunchy tone is to crunch a diode,” not knowing that breaking it just makes it as if it’s not there at all

 

[jwin615]

Unless they don’t know it’s a decoy diode. Maybe when developing it they broke a diode and they were like “omg! I discovered tone gold! The secret to a good crunchy tone is to crunch a diode,” not knowing that breaking it just makes it as if it’s not there at all

Except that it's now an ungrounded tiny antenna

 

[Robert]

 

[chris.knudson]

View attachment 65906

Does that by chance use an LM3914?

 

[Robert]

Does that by chance use an LM3914?

It does, for now anyway.

 

[jwin615]

Sorry, had to.

 

[Robert]

Good thing I took out all the LEDs....