I've been known to tolerate them if and only if the result more than makes up for the pain of side-jacking a pedal.
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Here you see it pictured with its side jacked friends that somehow made the cut even though they also have the same terrible design flaw. IIRC, the BB Preamp (that hides in the lower tier of my Schmidt Array and is therefore not pictured) has the same problem.
For a passionate side jack hater, I have accumulated quite a stock of tolerance to endure so many of them in my presence.
White Saturn VI!
Internet: The name Bjorn is a boy's name of Swedish origin meaning "bear".
Your descriptions of the sounds and feel are right on the mark. Punching of sponges & silk sacks it is. Definitely has a feel - I think a wonderful natural compression.
Am jealous you can max the gain when using your passive bass. Are you playing with a light-to-moderate touch? If not, then I wonder if yours offers more grace at lower drive settings than Blueberry is typically known for.
“Lower left, labeled B: Now we're getting to the less obvious. Just from listening, I would suggest that this knob decides how much low end is fed into the clipping stage - or how hard the low end is allowed to make the clippers clip. When you have everything about halfway up and then sweep through the B knob while playing an open E, it acts a bit like a gain knob, CCW is clean and CW is distorted. The distortion gets a bit unpleasant within the last quarter of the turn, quite fizzy and artificial sounding.”
Similarly, I wonder if this may be a “N” (Nature) control wired opposite / more intuitively; meaning appearance of “more bass” to the right, whereas the typical Blueberry has “more bass” to the left (and it’s actually a tilt EQ of some form).
If the former we can easily understand it to indeed be “a Blueberry with a post-Drive treble knob”, though only @el murdoque can understand what that actually sounds like.
If the latter, only Bjorn understands. That’s OK, and probably is as it should be.
“I wonder what it would have been like if I'd bought it very early, on page 1 or 2 of the Jounal. Would I have gone "okay, this is it" and quit?”
No. The advantage to starting early is you’d have more Blueberry variants in the pile. Make sure your shrine building leaves room for those.