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Responses from ack

Question about the TNT200 amp. covers.
What a fantastic amp, BTW. Still own one too! In mint condition I might add. 
I think I've made up my mind
Yes indeed you don't have to experiment with cables - it's done for you. What do you think we as consumers are doing by experimenting with cables? We try to find synergy. Well, synergy is also an electrical engineering science that can be calculat... 
I think I've made up my mind
Every manufacturer of electronics worth their salt should have optimally tuned their products with a single kind of cable (or a range of cables that are extremely similar to each other), and they should be able to tell you which one. I have no exp... 
I think I've made up my mind
Rrog: I and others care about an optimized set up. It's that simple. Lots of other people want to play with cables and tweak the sound to their liking and/or add or subtract "things" to the sound for better match in their systems - that's a valid ... 
I think I've made up my mind
Rrog: > Spectral could have easily incorporated bandwidth limiting in their amplifiers and allowed the use of other cables.NO. Per my previous response, the inductor in the cable box optimizes the electrical RLC characteristics of the LENGTH PU... 
I think I've made up my mind
Rrog: > My point is; what's at the end of the speaker cable?The missing output inductor, with a value that compensates precisely the length of the cable purchased that carries its own RLC characteristic values. In the end, they limit the bandwi... 
I think I've made up my mind
Rrog: > So, they tell you to use MIT or it will void your warranty. Nonsense. I suggest you start by understanding SS amplifier designs, especially those with extremely wide bandwidth and no chokes, then you will perhaps understand that the MIT... 
I think I've made up my mind
Rrog said: > How many of you believed Spectral when they said their amps would go into oscillation if you didn't use MIT speaker cable? I did and do, and it's easy to demo - they run considerably hotter w/o MIT cables. That's because - if you c... 
Phono Circuit Difference Between Spectral Preamps?
I have always contacted Spectral via fax and got same-day response. Yes, it's because all circuits, including the phono is class A and the volume is very limited in the unit with no ventilation. Same problem exists with SDR-2000s, where eventually... 
Phono Circuit Difference Between Spectral Preamps?
You need to be VERY careful buying a DMC-20 with phono (and probably a similar DMC-12). Reason being, the significant heat build-up in the main unit tends to render the phono section useless in about 10-15 years, or so I've heard from dealers. Whi... 
Spectral 30SS preamp
Roypan,did you not evaluate the 30SS before purchasing? What exactly is it that you don't like? There are a few people on various forums who don't like the 30SS over the 30SL Gen 2. My brief exposure to an early model wasn't enthusiastic either - ... 
Phono Circuit Difference Between Spectral Preamps?
> Spectral is eventually supposed to come out with a SOTA dedicated phonoOh you mean the DMC-25 they demoed 7-8 years ago? I wouldn't hold my breath any longer. 
Input on Spectral DMC 30SL
I got the Alpha in May of 2009 I believe. It took me about 20 mins of A/B testing with the 2000 to discern that the Alpha completely trounces its competitor. The real test was against the analog rig, where the bottom line in my comments is that wi... 
Input on Spectral DMC 30SL
Oh that's funny... there is a 30SS here on Agon just 6 months old... Gee am I NOT surprised.On your DMA-180: keep in mind that the Spectral sound has changed significantly in recent years. Whereas your amp has this very wide but diffuse soundstage... 
Input on Spectral DMC 30SL
Excellent choice on the DAC - VERY analog-like sound. If you are interested about my ruminations on it vs. analog, take a look at http://www.martinloganowners.com/forum/showthread.php?t=9365On the following: "i also did end up getting some pretty ...