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Amp/Preamp Asylum Looking for a new Amp or Preamp? If you're after tubes, post over here. |
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In Reply to: "Well, you could always do what Kal is doing." posted by Kal Rubinson on August 31, 2024 at 10:25:04:
That's sometimes true, and I can be a notorious over-thinker about some things. But I don't believe my concerns over impedance qualify as unfounded concern, because it's not a subjective issue. I emailed Apos Inc. Someone named Peter got back to me, writing:
"Thanks for reaching out. Before giving you an answer, let me confirm with Topping on my thoughts. I don't want to tell you incorrect information, so I'll let you know as soon as I hear back from them.
I was impressed with how quickly they got back to me, and even more impressed that they didn't just say, "Don't worry about it. Just order one!" which is the advice I appear to be getting here.
I already have a buffered line stage called The Truth, which is reviewed at the link below. Regarding the Truth's impedances, here's what the manufacturer says about it:
"It has an input impedance too high to measure, output impedance is a couple ohms".
Too high to measure with a a common multi-meter anyway, and my meter measures up to 60 Megaohms. So a high input impedance, and a few ohms on the output, which assure me it's going to work with anything I connect to it. If I had that same confidence in the Pre90, I'd have ordered one by now.
The only reason I'm considering something other than my Truth is that I ordered it years ago, with only one set of inputs and outputs. A selector switch and two or three more pair of RCA jacks will remedy that, but I wasn't looking forward to doing the work. It looks like I'm going to have to rethink that, unless Apos has some good news for me.
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Follow Ups
- "Sometimes, people completely overthink the issues" - 1973shovel 15:52:32 08/31/24 (0)
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