East coast, oh well.
Fair warning, I might repeat myself from the post. I’m not a professional reviewer and don’t consider myself particularly adept at describing audio differences. I hear what I hear and try to put it into words.
One thing I didn’t mention in that post, (did I mention?) the deHavilland has a NOS 1944 Sylvania 6SN7, the Don Sachs has stock tubes. Mine might not be a fair comparison as the NOS tube improves imaging, space, detail, depth -- pretty much everything. I’ve only heard the Don Sachs in stock form, and haven’t yet purchased better tubes until I fully commit to keeping it -- I currently have too many pre-amps.
You summed up my comparison perfectly. The deHavilland exhibits more of the classic tube characteristics; Don Sachs closer to solid state with slightly more punch.
I didn’t notice any difference in bass slam, perhaps because I’m pretty much maxed out on bass using two Vandy 2Wq’s in my setup.
Dynamics are where the Don Sachs excels. It is right there with the Pass XP-10. I like my music to have impact and a percussive element, I want to feel it when the music gets loud. Don Sachs edges out the deHavilland here.
As far as transparency and holographics, both are deep, big and wide, wider than Pass, probably an advantage of tubes vs. solid state. Don Sachs is more transparent.
I’m probably a bigger fan of the Don Sachs for it’s dynamics, the deHavilland slightly warmer/darker.
I hope this helps, as with everything this is all system dependent. You can click on my name and see my room and associated equipment that might help you make a decision. If you have more questions, let me know.