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Had a quick google and the most commonly mentioned thing seems to be a switch to go between a Marshall style 10k resistor and a Soldano style 39k.
Don't need the other mods.
Take my money.
I'm thinking it's a volume boost rather than gain boost?
Yeah that's the site. I think he has a page about how the Soldano SLO works as well. I'm useless at electronics too, but it does seem to be a really good site. It basically took me from not having a clue, to still not really having a clue, but at least being a bit better! EDIT: Interesting... on the JCM800 page you linked to, it says the Soldano value is less aggressive. On the Soldano page, it says the higher the value, the less gain. Unless they're talking about gain and distortion as separate things, I guess. Grrr, I kind of know just enough about this stuff to consistently get the wrong end of the stick, lol. EDIT #2: I could be wrong, but I think that's what's happening- the cold clipper is hardly adding any gain (i.e. amplification) but is there to add distortion. So a higher value of resistor equals less gain/amplification, but more distortion. I think.
Is the high gain mod always on, or is it footswitchable?
Interesting, thanks
The asymmetrical clipping from the cold clipper apparently produces a smoother, creamier sound, with more 2nd order harmonics. Which makes sense, as it's only on the lead channel on the Soldano circuits, so presumably that's what makes the lead channel fat and creamy.
There's a section here on the Cold Clipper, and also the JCM800 mod specifically: https://robrobinette.com/How_the_Saldano_SLO-100_Works.htm
My simple takeaway is the cold clipper mod Jet city are offering is a 3-way switch to make the gain character a bit less fizzy, or a bit more fizzy.
We say "sizzley" when talking about Soldano around here
Must be something wrong somewhere as I’ve only usually heard good things about them.
I didn’t think they were making amps any more due to an illness years ago but it seems they’re alive n well. Hope the jet city proves to be better,it would be great to have a cheaper Chinese SL0 alternative
https://youtu.be/xALWL2ftD8g
I've never actually tried an SLO, just an Avenger (and I've got a Jet City). Also for some reason I just assumed the cold clipper was on the normal channel as well- not sure why, maybe because it's on the JCM800 and its amount of gain is roughly similar to the normal channel?
Good call on that link- I'm sure I've read that bit of his site before, just I forgot! I'm sure I remember reading where he said that the 39k was in circuit all the time, and the other two resistor values in parallel with it made the correct overall values.
If you stick a 39k in a stock 800 the drive will be really weak.