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In Reply to: RE: "I would recommend looking for a different preamplifier" posted by 1973shovel on August 31, 2024 at 06:00:57
Well, you could always do what Kal is doing. You could buy two Pre90's and connect one to your main speakers and the other to your subwoofer. Then you could use a Y-adapter to drive both preamps with the same input signal.
Kal bought three Pre90's to use as a volume control for his 5.1 channel home theater system.
As far as I'm concerned, my Pre90 is the best sounding preamp I've ever heard regardless of price, and it drives all my amplifiers just fine.
If you'd like to buy my Pass Labs X1 preamp, I'll be happy to sell it to you for $1,500 plus shipping. It definitely has buffered outputs and it also has a separate power supply. Of course, you could buy two Pre90's for $1200 and they'd probably sound better.
Good luck!
Follow Ups:
Your Pass X1 should go fast at that price.
"Well, you could always do what Kal is doing. You could buy two Pre90's and connect one to your main speakers and the other to your subwoofer. Then you could use a Y-adapter to drive both preamps with the same input signal."Or you could simply buy one and use the balanced and unbalanced outputs simultaneously fot the main pair and the sub. Been there, done that.
Sometimes, people completely overthink the issues, get distracted and, in desparation, make a poor choice. Been there, done that.
I think that you (Tod, not John) may be getting there.
Edits: 08/31/24
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.
> Or you could simply buy one and use the balanced and unbalanced outputs simultaneously for the main pair and the sub.
Kal: I agree with you wholeheartedly!
This is exactly what I do. My Hypex Nilai 500 monoblock amplifiers are connected to the Topping's balanced outputs and my Rythmik Servo Sub is connected to its unbalanced outputs. It works just fine for me.
Moreover, I don't even have a problem with its remote control.
Happy listening!
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