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Slain smart preamp with input rotary switch...

janikphoto

janikphoto

Lunatic Member
So, it was cheap and I need another toy like I need another ex-wife... but, I couldn't resist (new audio toy, not another wife). I picked up this Sainsmart tube audio preamp:

http://www.amazon.com/gp/aw/d/B008B...ube+preamp&dpPl=1&dpID=51PhHGkvI-L&ref=plSrch

I've ordered a power cord, cord plug, fuse holder, power switch, and RCA connectors so I can place it in a custom chassis. So, here's the question:

I'm looking for a rotary input switch, so I can have either two or three inputs on the preamp. I've heard about the Elma brand, but talk about wanting a switching ground or not and other details have me confused. What type of rotary switch should I be looking at? Or, is it a dumb idea to begin with? Is this little unit worth toying with? I haven't even tested it yet. Reviews sound good, but who knows?!?
 
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ferninando said:
$35 from orig seller on the bay.
got rid of mine.
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What is $35 from an eBay seller? A rotary switch? If you're talking about the Sainsmart, I've had mine in those for a couple months now. I don't need help finding it cheaper. I'm finally getting around to wiring it up and putting it in a chassis, and I want an input selector added.

If you got rid of your preamp, it would be helpful to know your reason why... to hear your impressions of it.
 
I've used the above selector switch on several occasions. Great switch at a great price.
Thanks,
Andy
 
I bought two of those sain smart tube preamps. The noise floor is very low and the sound quality is very good. I used the preamp to build a custom diy cd player. I plan on using the other for a custom built bluetooth mp3 usb fm tuner project. I plan on replacing the stock 6n3 chinese tubes with some nos 5670's. I feel these little preamps punch way above their price range.
 
Masterdraco said:
I plan on replacing the stock 6n3 chinese tubes with some nos 5670's. I feel these little preamps punch way above their price range.
Click to expand...

Or WE 396As. Although they've steadily crept up in price you can still find them at a good price if you are patient.

That is a pretty cool preamp and it screams to be modded.
 
Well, I ordered that switch linked above, some RCA chassis mount connectors, a power cord, and other bits. Now, I just need to make a chassis. I'll keep the tubes in place for now. Unless I pick up something that can swap out 12ax7's, I don't have any good spares to roll. I'm assuming this one won't accept the 12ax7.
 
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