jslateiv
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Hey there,.. I sent you a PM the other day. Not sure if you noticed it in your Decware 'Inbox' or not...
The 845ia is a re-do of the LM-518ia. It was a good amp and sounds like a typical 845 based design. I do not care much for 12ax7's as input tubes and ultimately became a little worried about what was going to happen when an 845 tube failed. They have ~900V's on the plate and I understand that if the tube fails/shorts, it can do so in spectacular fashion (at the cost of the amps other internals). I moved from the 518ia to its BIG brother the 219ia beast. Still a very similar sound but a bit more refined and focused, and I was able to use a seperate preamp and completely bypass the input tubes on the 219. You cannot do that (bypass the input tubes) on the 518 or newer 845ia. I ultimately sold the 219 and while I liked it, I was looking for more refinement than I felt it could give. This was after living with each for ~1yr.
The SE84UFO is not a good match for your speakers. If you want to use that amp or other similar offerings you really need a pair of speakers ~95db or higher. The higher the better. Yes, you can still hook one of those amps to your speakers but you will most likely not get the vol. you want and there will be a def. loss in 'impact' from the combo compared to using a Torii Jr, etc...
I can't speak to Omega except that there a lot of Happy owners out there and on this forum. My Zu's are highly modified Omen's. Modifications made at Sean Casey's recommendation,.. they include internal bracing, dampening, wiring harness, Base plinth, Drivers, etc... I would estimate they are in the ~98db range of sensitivity. A few db of speaker sensitivity can go a long way but when you start getting around ~90-92db you really need an amp with some power to give you the needed headroom and allow a good volume range. Just my .02cent but I think most others would agree. Hope this helps.
Johnny
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