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Kharma 3.2.2: which tube amp to use?

After living with Kharma 3.2 and now 3.2.2 for 5 years with SS amplification, I am looking to try out a tube amp. My current amp is Goldmund Telos 400 (being put on sale on A’gon). My preamp is Vitus SL101. My room is 10’ x 14’. My source is a TW Acustic turntable. Current sound is fast, highly detailed, with great imaging. But on the dry and analytical side. I hope a tube amp can fill in some of the missing midrange harmonics and timbres, add bit more air and bloom. Add bit more flesh on the bones.
I am looking at SET amp and not sure which one will drive my 3.2.2 (90db, 3.5 – 4ohm) without giving me loose bass, and also not too much heat (considering my smallish room). I read Kharma 3.2 was voiced with Lamm (don’t know which model).
Your suggestions will be much appreciated.
alectiong

Showing 5 responses by alectiong

alectiong's avatar
alectiong OP
110 posts
 
Sure Argyro.
But i also like to hear some scientific explanation.
rgds
alectiong's avatar
alectiong OP
110 posts
 
Hi Thorman, thanks for your suggestion. I am not familair with the Thor name but will look into it.

Hi Argyro and Sirspeedy, I have the Lamm ML2.1 SET on my radar. But wasn't sure if its 18W can control a 90db speaker. Was wondering whether the Lamm ML1.1 push-pull 90 watter would do the job better. I wish for the supposedly SET magic, but don't want flabby bass. The Wavac MD-805 55 watter is also on my list.
alectiong's avatar
alectiong OP
110 posts
 
Thanks folks for your suggestions. The research is still on.
I happen to read about the two-chasis Artemis Labs SP-1 stereo amp of 18W 300B based SET, which garnered high marks with the TAS magazine. Has anyone had first hand experience with this amp and could share?
alectiong's avatar
alectiong OP
110 posts
 
Hi all, I settled on the Lamm ML2.1 of 18 SET watts. I took a gamble of course since the local dealer didn't carry any stock for me to do home demo. The ate now at half way mark of burn-in according to factory recommendation. I recognize my Kharma 3.2.2's 90dB effciency is not ideal match. However, and to my surprise, these 18 watts of SET give more bass output than my 350 wpc Goldmund. On top of that, the lamm sounds more natural, sweeter, more 3-D with better depth, harmonically richer. After full burn-in, will report back again. At this time, no regret changing the Goldmund to the Lamm, except the heat.
alectiong's avatar
alectiong OP
110 posts
 
Hi all,
I have a qn for ML2.1 users out there, and it is about which tap to use. My Kharma 3.2.2 has nominal impedance of 4 ohms. Kharma factory and my Lamm dealer both recommend me to use the 4 ohm tap. However, I found the 8 ohm tap gives me a more dynamic sound with better bass. Am i hearing something wrong?
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