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In Reply to: RE: My Hat's Off To You Brad! posted by RGA on December 01, 2014 at 22:20:00
"What does LAMM use as their reference speakers?" Who cares? Based on what I have heard from Mr. Lamm it seems he designs the amps without any particular voicing to speakers but to his own supposed listening models. His amp is capable of driving all speakers easily.
"When judging a specific component I want to hear the specific component at least 3 times with three different systems attached in three different (appropriate) rooms.
"
Spare me your dogma, ok? I have A LOT of experience with Apogees (three different models...does that count...all with different load and sensitivity characteristics) and now these Thiels as well and we have heard A LOT of different amps on these speakers (well over a dozen between all the friends). Two of the three Apogee models are relatively easy to drive (Studio Grand is an easy 5 ohm load with 87db sensitivity and the Centaur Major is simliar...only the Scintialla is a hard to drive 1 ohm but the LAMM can do so easily). Thiels should pose no matching problems for an amp that can easily drive Scintillas.
The point is that all of these speakers in question are super revealing and have allowed us to clearly identify what the electronics are doing in the system. The LAMM in this context is a let down and therefore I expect it will be likewise in other systems...the underlying characteristics didn't change depending on the system from what I heard.
Follow Ups:
The lamm is not suitable for Apogee's and the 3.7, obvious if you take a look at it's lack of current drive, which makes your comments only suitable for similar type speakers. As you i loathe dinky toy amps, so this amp would not be on my list , but i/we have to also acknowledge there are quite a few enjoying their Lamm's....Regards...
Edits: 12/02/14
Apogees that are flat 5 ohms are NOT a difficult load. Thiels while more difficult are not REALLY difficult loads. LAMM is able to almost double its power from 4 ohm to 2 ohm, indicating more than sufficient current to drive the relatively sensitive Thiels.
Please show me where it demonstrates a lack of current drive. The power being the same at 8 ohm and 4 ohm is BY DESIGN in that the power supply is optimized for each load depending on its settings. JA only tested the 8 ohm load in the 6 - 8 ohm setting and only tested 4 and 2 ohms in the 1 - 6 ohm settings. So, looking at the two impedances tested in the 1 -6 ohm settings we can clearly see that there is sufficient current capability to nearly double the power from 4 to 2 ohms. Where is the lack of current drive??!!??
Also, did it occur to you that in 8 and 4 ohm at least this is CLASS A power and not AB?? This means the power supply is probably designed like a 400 watt Class AB amp.
You can take your crappy sounding "muscle" amps because I haven't heard one yet that makes real music. Not one. I had them in the past and my friends with Apogees and Thiels ALL went through their muscle amp phase (the guy with Thiels had McIntosh MC501 monos before...muscle enough for you?), Krell, Musical Fidelity KW750, etc. before realizing that this may play loud without strain but it doesn't SOUND good.
The LAMMS were bought specifically to drive 1 ohm Scintillas because they have a power supply that can take it and delivers even MORE power into 1 ohm than into 2 ohms (no longer in Class A of course down there). Lack of current capability??? You must be mad!
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