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Hiss at addition in system LAMM L2

Hiss (noise) from speakers at addition in system LAMM L2.

Three weeks ago, I have bought preliminary amplifier L2 reference
Improvement in sounding all system was huge!!!! The overall dynamics and scale of the music!!!
Illusion of a presence(finding) in a concert hall has appeared.

But I am disturbed with the following:
At addition in system L2 strong enough noise (hiss) has appeared from
speakers. At inclusion of toggle-switch MUTE hissing disappears, at deenergizing
Toggle-switch MUTE all room is filled with noise (hiss).
Even at listening music on silent passes or piano music
Such noise level it is normal or L2 demands repair?
anton9005
goldeneraguy
439 posts
 
Tvad , I am thinking about lowering the gain on my LL2 Deluxe
If you recall,how much gain in db did you reduce.
Many thanks
ed
faziod
151 posts
 
Tvad agreed on the loss of transparency with the Rothwells but its the only thing I have found to work to eliminate the AM radio leaking through to the speakers. Shielded cables help but the Rothwells completely eliminate it. Strange as it may sound.
tvad
9,467 posts
 
Based on typical used prices IMHO the LL2 Deluxe is the darling of the Lamm line-up...
Rgd (Threads | Answers)
I absolutely agree. If I did not require balanced operation, I'd likely own another one.

09-26-08: Goldeneraguy
Tvad , I am thinking about lowering the gain on my LL2 Deluxe
If you recall,how much gain in db did you reduce.
As I recall, it was reduced to 12dB.

09-26-08: Faziod
Tvad agreed on the loss of transparency with the Rothwells but its the only thing I have found to work to eliminate the AM radio leaking through to the speakers
Understood.
tvad
9,467 posts
 
09-26-08: Flyin2jz
how could u possibly deal with a piece of equipment that introduces a hiss to
your system?
I am certain that no answer I, or
others, will provide will be satisfactory to you based on your obvious
predilections. However, I will offer my perspective.

I have heard several highly regarded, universally well-reviewed components
in my system that have been as silent as a corpse, but the music they
produced was sterile, lifeless, and basically sounded like crap.

For me, choosing some hiss over the alternative is an easy choice.
unoear
141 posts
 
Rgd and Tvad, I agree with your assessment of the Lamm LL2 preamp. Especially at its resale price it is a screaming steal and a wonderful musical preamp that flat-out danced with my ML 2.1s. I found the musically to hiss trade-off to be extremely positive...and the hiss to be sort of a small attention getter setting the stage for what was to come.
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