manaox2 Posted September 16, 2009 Report Share Posted September 16, 2009 Fucking imps. I don't think it was a mismatch, but rather that you had imps in your signal path at all. Having matching imps make the musical magical. That little one is really the problem. Quote Link to comment Share on other sites More sharing options...
Fungi Posted September 16, 2009 Report Share Posted September 16, 2009 The Opera was getting a taste of its own shitty DAC. I don't remember what else I was using, but honestly I've seen enough about the technical aspects of Meier amp internals to confirm what I heard. The Opera is just bland as hell. As for type of music, I really will listen to anything and that wasn't it; I can't say the Opera did anything better. Since you were quick to say something was wrong on my end, let me mention that possibly your source has negative synergy with correct amps. Quote Link to comment Share on other sites More sharing options...
Mycenius Posted September 16, 2009 Author Report Share Posted September 16, 2009 Thanks for the additional comments guys... Got a stack of demo gear last night so about to start listening to a bit of stuff... Quote Link to comment Share on other sites More sharing options...
Fungi Posted September 17, 2009 Report Share Posted September 17, 2009 definitely user error. I can't remember what it was but I also had another more capable DAC... Quote Link to comment Share on other sites More sharing options...
atothex Posted September 17, 2009 Report Share Posted September 17, 2009 I can't remember what it was but I also had another more capable DAC... Ooohh I just checked your profile. Club Transdac. Quote Link to comment Share on other sites More sharing options...
luvdunhill Posted September 18, 2009 Report Share Posted September 18, 2009 Opera has an input imp of 12Kohm which is very low IMO and hard to match with. what kind of sources do you have? Let's see... my phono preamp is 300 ohm and my CD player is around 150 ohm and my DAC is a bit lower... actually, how does one even manage to get a 12K input impedance using a LM6171 with a LM317 as a current source, would the Zin be somewhat arbitrary? Quote Link to comment Share on other sites More sharing options...
Icarium Posted September 18, 2009 Report Share Posted September 18, 2009 Ooohh I just checked your profile. Club Transdac. Don't think it's even on the same continent as him right now :/ Quote Link to comment Share on other sites More sharing options...
Fungi Posted September 18, 2009 Report Share Posted September 18, 2009 The Opera was a long time ago, I think I had the VDA-2 at the same time. Quote Link to comment Share on other sites More sharing options...
boomana Posted September 18, 2009 Report Share Posted September 18, 2009 My first impression of M^3 was literally -- "that's it?" Quite often the reaction of those hearing an excellent amp for the first time. Did you use the same headphones all those amps you rated? It's not like they're one size fits all. Quote Link to comment Share on other sites More sharing options...
TC_Shadow Posted September 19, 2009 Report Share Posted September 19, 2009 Quite often the reaction of those hearing an excellent amp for the first time. Did you use the same headphones all those amps you rated? It's not like they're one size fits all. yeah..and I have had my HD650 for quite a while now. I had actually owned M3 for quite a while (>1yr) before letting it go; it wasn't bad, but I didn't get goosebumps listening to it like how I did with Dynahi. I like Opera because I get goosebumps every time I listen to it. Quote Link to comment Share on other sites More sharing options...
TC_Shadow Posted September 19, 2009 Report Share Posted September 19, 2009 what kind of sources do you have? Let's see... my phono preamp is 300 ohm and my CD player is around 150 ohm and my DAC is a bit lower... actually, how does one even manage to get a 12K input impedance using a LM6171 with a LM317 as a current source, would the Zin be somewhat arbitrary? I don't know why Meier's input imp is so F#@$ low (the industry std is around 50kohm for unbalanced and 25kohm for balanced). I am using a DAC1 with the Opera; I tried using CAL Alpha/Delta but that didn't work out too well (1.5kohm output imp..lol). Quote Link to comment Share on other sites More sharing options...
luvdunhill Posted September 19, 2009 Report Share Posted September 19, 2009 I don't know why Meier's input imp is so F#@$ low (the industry std is around 50kohm for unbalanced and 25kohm for balanced). looks like a key ingredient is opamps made for video applications. Quote Link to comment Share on other sites More sharing options...
swt61 Posted September 19, 2009 Report Share Posted September 19, 2009 I think of the M Quote Link to comment Share on other sites More sharing options...
Azazel Posted September 29, 2009 Report Share Posted September 29, 2009 I had an Opera too, lovely case and 'practical' unit, but way overpriced and underperformer IMO. What I loved about it was the crossfeed (with those recordings asking to use it, not all) and the gain switch... that's it; well it sounded smoothy unless pushed hard. Oh yes and Jan Meier is a nice guy and quick at answering emails. The hp out of the DAC1 does better with most cans IMO than the Opera, and the Benchmark case is cute too I cannot imagine a way to like the Opera better than a M3 even using crappy PS and opamps on the AMB unit... I know, I have two M3s and made that test, and it sounded still fine (I did not compare directly to Opera as it was long ago gone). And it MUST be said for the price of an Opera you get two (three?) nicely done M3's. Maybe a fairer (?) comparison will be Opera against a two-board Beta22, but boy, I will be only fair price-wise... Quote Link to comment Share on other sites More sharing options...
TC_Shadow Posted September 30, 2009 Report Share Posted September 30, 2009 I had an Opera too, lovely case and 'practical' unit, but way overpriced and underperformer IMO. What I loved about it was the crossfeed (with those recordings asking to use it, not all) and the gain switch... that's it; well it sounded smoothy unless pushed hard. Oh yes and Jan Meier is a nice guy and quick at answering emails. The hp out of the DAC1 does better with most cans IMO than the Opera, and the Benchmark case is cute too I cannot imagine a way to like the Opera better than a M3 even using crappy PS and opamps on the AMB unit... I know, I have two M3s and made that test, and it sounded still fine (I did not compare directly to Opera as it was long ago gone). And it MUST be said for the price of an Opera you get two (three?) nicely done M3's. Maybe a fairer (?) comparison will be Opera against a two-board Beta22, but boy, I will be only fair price-wise... IMO Opera sounds much better than DAC1; both of which I have. I bought another M3 w/ sigma as this would be my 2nd M3; my 1st M3 had STEPS. I have lowered expectations, however (but I am open to the possibility of a miracle with the new sigma ps Quote Link to comment Share on other sites More sharing options...
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