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Have you already been in touch with Don to determine what’s feasible within that chassis? I’d want to first know whether you can fully implement Don’s solutions or not. That said, I haven’t ever compared the two versions with the same tube set, so can’t really say what makes the biggest difference from experience.
Hi, Dan.Welcome to AC, and congrats on getting an SP14. I only have experience with the Don Sachs amp and preamp (own both) and it's been a while since I chatted with Don about design/implementation differences, so my memory may be off a bit. Anyway, Don uses better and larger transformers that I imagine will not work in this case. I also highly recommend contacting Don to discover what he can do, and to know what his timeline is. He's a lot busier now than he was two years ago.Do you know the brand or model of the volume control? It looks to be different from the one Don uses.Regards,Michael
Yeah, Don’s implementation requires a fair bit of extra space, and that chassis of yours already looks pretty cramped. The regular Tubes4Hifi kit chassis is much larger I think, and might be able to work, if you can get Don to develop a new layout for such a chassis. But I’m skeptical about the one in the pics you provided. I actually have heard both the Tibes4Hifi SP14 and the DS-2. It was on the basis of hearing the Tubes4Hifi version with some NOS RCA tubes that I chose to pursue the DS-2. The Tubes4Hifi pre won out over several active and passive preamp designs in terms of overall musicality, in my opinion. It was a couple months after I returned it to its owner that I had the DS-2 in hand, though, so I don’t have a clear comparison between the two. However, I do feel like the DS-2 and Tubes4Hifi share the same overall character, but with the DS-2 just being a cleaner and more refined presentation. Sorry I can’t comment on the degree of difference with any certainty. But I would venture a guess that while the difference is likely substantial, it won’t diminish the overall listening pleasure. I’ve heard my friend’s Tubes4Hifi several times now in his system, in mine, and in a guest role at another friend’s house/system. In each case, the system had a very musical, engaging, and pleasing sound. It brings a heart and soul to whichever system it’s in.
I think the volume control upgrade is doable, but really I will have to keep my eyes peeled for an accommodating chassis to go much beyond that. Not the end of the world, maybe just not right away is all. But when I do get it I will let you guys know how it sounds.
Dan,It looks like the chassis is from Landfall Systems. I would think that Dave could help with providing options to make it larger. Maybe the height, since the overall width and depth look to be large.Brad
Current Khozmo Boards 'may' have a popping issue. Mine sure did and it's in for repair. FYI! PM me for details.
I got my DS2 back, it has this in it now. The relays are not on a separate board. https://khozmo.com/64_steps_relay_khozmo_attenuator.html These seem to be problematic for some users. Not all. https://khozmo.com/relays/shunt2a.jpgCheers,Aguaazul
I'm just curious how Don's SP14 Preamp would line up with a Rouge Audio ST100 amplifier? I'm trying to decide between that combination, Don's own amp, or a ModWright LS100 and a ST-100.. Anyone have thoughts on these combinations?
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