ampvoice

Linn Sneaky DSM: hiss problem with external power amps

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On 18/04/2020 at 21:10, ampvoice said:

I have come to a conclusion that leads me in a certain direction: acquiring a great old school, high-current, low-output-impedance Linn's analogue preamp to guarantee the best sound dynamics possible (thinking about maybe an Exotik, Kairn). Do you think this is the best way to go?

I don’t know. My major concern is that the analogue output of the Sneaky DSM has an officially confirmed issue / weakness. It could also be that your Sneaky has an individual fault. Therefore replacing the Sneaky by an MDSM might be better than adding a pre to the Sneaky. The only way to find out is listening to both setups.

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Posted (edited)

Here's the  "famous" background hiss from the Sneaky to my speakers (tests were made on two pairs of different speakers: Tukans and Dali suites).

Maybe, as you said, that could be a problem only related to my unit but taking into consideration Linn's customer service replies and other users comments in other groups/forums, that seems inherent to the hardware.

18 Apr 2020 20_19_41 (clipping).mp3

Edited by ampvoice

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That’s broadband noise which negatively affects the whole audio frequency range (including subs). Unfortunately I can’t tell whether this is expected behaviour of the Sneaky DSM’s analogue output or an individual fault.

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That's fine, I'll get my pre-amps back soon and let you know.  Thank you for all the information and advice you gave.

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On 22/04/2020 at 21:11, BB1 said:

That’s broadband noise which negatively affects the whole audio frequency range (including subs). Unfortunately I can’t tell whether this is expected behaviour of the Sneaky DSM’s analogue output or an individual fault.

Hello @BB1 I finally got my Exotik back and all I can say that no hissing sound is coming from the speakers!

That only proves you were 100% right: you need a preamp in order to use an external amp with the Sneaky DSM. And that is valid at any listening volume.

Once again, thanks for your guidance and helpful suggestions.

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I’m glad for you that adding the Exotik solved your issue. And thanks a lot for posting what actually sorted out the problem you’ve reported. It will help others being faced with the same problem. 

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