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  #1  
Old 04-13-2015, 03:03 PM
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cmalak cmalak is offline
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Default Review of Lamm M1.2 Mono Amps by TheAudioBeat.com...

Lamm Industries M1.2 Reference Mono Amplifiers - The Audio Beat - www.TheAudioBeat.com





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  #2  
Old 04-14-2015, 03:25 AM
tima tima is online now
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Some folks asked about tube alternatives for the M1.2. Check the sidebar: Power, isolation and tube rolling.
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  #3  
Old 07-28-2015, 03:51 AM
tima tima is online now
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Originally Posted by tima View Post
Some folks asked about tube alternatives for the M1.2. Check the sidebar: Power, isolation and tube rolling.
A brief update to add to the list of tubes rolled...

Finally had a chance to try a nice pair of Siemens Halske 6922 gray shield 1965 (A0 Series) in the Lamm M1.2 Ref. Very nice definition around performers and instruments that yields excellent dimensional presence. Bass is as good (maybe a teeny wee bit better) as the top-rated Amperex 7308 '63 PQ shield. Maybe not quite the tippy top extension of that tube but close with high resolution without hardness. Ever so slightly cooler but rich harmonics that contrast as ever so slightly lighter than the lush, dense Amperex string tone. Leading edge transients are crisp with definition though maybe not as pizzicato-snap-sharp as the PQ shield though decay will last and last until the end. A wonderful tube, it wedges its way into my top 3.
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Old 10-21-2015, 09:50 AM
flyer flyer is offline
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A brief update to add to the list of tubes rolled...
I used to have the Lamm 1.2 till last year. I did some tube rolling in it as well and ended up with the Amperex bugle boy which was best in my modest opinion.
My lamm liked a tube that reinforces a bit the lower end.
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Old 10-21-2015, 02:27 PM
thesaint519 thesaint519 is offline
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Originally Posted by flyer View Post
I used to have the Lamm 1.2 till last year. I did some tube rolling in it as well and ended up with the Amperex bugle boy which was best in my modest opinion. My lamm liked a tube that reinforces a bit the lower end.
I have yet to get into tube rolling. I'm SO in love with what the system is doing now, I'm almost afraid to fool with it. Who knows, maybe I'll make an attempt at tube rolling in the future. What did you replace the M1.2s with? What preamp did you use with the Lamms?

Last edited by thesaint519; 10-21-2015 at 05:53 PM.
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Old 10-21-2015, 10:22 PM
tima tima is online now
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... My lamm liked a tube that reinforces a bit the lower end.
I suspect that is true for any tube amp. The Bugle Boy opens the door to the Amperex sound and that suits the 1.2 and 2.2 quite well.

Quote:
Originally Posted by thesaint519 View Post
I have yet to get into tube rolling. I'm SO in love with what the system is doing now, I'm almost afraid to fool with it. Who knows, maybe I'll make an attempt at tube rolling in the future. What did you replace the M1.2s with? What preamp did you use with the Lamms?
Its hard to question satisfaction - you're in a good place! Most of us who've been at this for a while get the intellectual notion of improved sound, but it's only truly known with experience. We're lucky, the M1.2/M2.2 only have One tube each! If you haven't rolled tubes at all, much less with the M1.2, I am confident you would hear genuine improvement with the right tubes. The tube in these amps has a meaningful impact on their sound - that's why Vladimir chose to include a tube and place it where he did in the circuit.
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  #7  
Old 04-14-2015, 05:15 AM
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Great review Tima, I really enjoyed your perspectives on you going out on a limbic with your listening.

As much as I can find things of worth in reading a variety of reviewers I feel that both you and Myles are genuine standouts in the field with writings of valuable insight, depth and honesty... thanks for your contributions to the learning.
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Old 04-14-2015, 04:37 PM
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Quote:
Originally Posted by audiot servant View Post
Great review Tima, I really enjoyed your perspectives on you going out on a limbic with your listening.

As much as I can find things of worth in reading a variety of reviewers I feel that both you and Myles are genuine standouts in the field with writings of valuable insight, depth and honesty... thanks for your contributions to the learning.
+1.
And I always look out for your music choices.
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  #9  
Old 04-14-2015, 11:00 AM
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cmalak cmalak is offline
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tima...great review Do you have any sense how the M1.1s sound relative the M1.2s. I occasionally see M1.1s come up on Agon for $6-8K and if it gets in the ballpark to the M1.2 sound that might be an affordable way to go. I am assuming the M1.1 would be an upgrade from my Ref 110 in the areas of bass depth and articulation, tonal density, dynamic range, and overall frequency extension. Paired with a Reference ARC preamp that should be a good combo. Occasionally I see M1.2s come on used market in the $11-14K range and that would be the preferred path to go but 2X the M1.1. So just wandering if you have a sense for M1.1 relative to the M1.2. Thanks.

Last edited by cmalak; 04-14-2015 at 11:11 AM.
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  #10  
Old 04-14-2015, 11:55 AM
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Wow, Tim. You are like a poet describing musical attributes and recordings. It's great to have someone of your caliber here on AA.
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