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In short you can't. The General has a standard JFET buffer, the EUNA is NOT A BUFFAH! a "unity gain amplifier" that uses 2 op amp stages to achieve what it does plus a power supply that first of all is totally wrong in the PPCB version would need to be adapted to the same supply as the General.

The bias is not for a jfet, just to be clear. Will build myself one of them once the order arrives.

That's very Zendrive looking!

Maybe the 220n cap to ground after the clipping stage. Making that smaller or putting a resistor in parallel with the 1K that's usually there, you get a much less strong high cut which probably gives that sort of effect.

TBH if you want less compression, I'd use diodes with higher forward voltage.

It's a Zener diode that is/was there to protect the charge pump against too high voltages. As long as you don't plug in more than 9-12V (if using the LT1054), you're safe regardless.

The classic SRV mod is usually to remove the coupling caps between the buffers and the op amp, increase input and output cap size plus give it a larger gain pot. As the King Tone TS already has no buffers at all the SRV could refer to anything so I'd argue just identify what you actually find...

Inb4 IT'S NOT A BUFFAH

Ghost echo is a solid bet.

The moonn one at least definitely works. I personally didn't love the build as it really darkens the dry signal though, but according to people who own the original that's not moonn's fault, just Death by Audio being hacks when it comes to circuit design.

So, I'm no Chuck D. Bones around here so I kind of expect this to be mostly ignored, but anyway... Seeing the schematic of the Scenario Preamp, which is based on the Cornerstone Gladio SC... which is basically a Jan Ray with miniscule changes and a clean blend, I couldn't help but think that...

Most over the top was the marketing for the Jive, which implied it's an Akai tape preamp, while actually it is a SHO with switchable clipping diodes, copied value for value including the pulldown resistor at the output and lack of power filtering (at least previously, not sure what's going on in...

You could further mess with C3 and C5 to get more high end through but from my experience these electra style distortions are kinda one dimensional without a whole lot of depth including top end harmonics.

That's... Basically the same thing?

Looking at the schematic now, other than the treble pot taper and the op amp, it's as lazy of a clone as it gets...

Looks like a remnant of some prototyping/breadboarding session. What bothers me much more is the R2/R3 voltage divider and R14 being needlessly huge, both being kinda shit for input and output impedance respectively.

That sounds like you failed successfully, as tight is not a word that should be associated with the DS-1 at all. You can reduce the boost level by messing with the 22R resistor off the emitter of Q2. Larger values will give you less gain.

JPTR FX Warlow without the filter switch.

Could be due to the "tip" parts of your jacks touching the enclosure. Unscrew them, take them out of the enclosure and test again.

For what sort of application? To be used with what sort of gear? Very different whether he wants something best for running into a clean or into an overdriven amp tbh.