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  Atma-Sphere MA-1 amps
How good are these amps? I have 200w Class A mono blocks and have been eyeing these for sometime. What are your thought on them and hwo do they sound?

TIA
Jtwrace  (Threads | Answers | This Thread)

07-31-08
  Responses (1-50 of 81)
Click title to read one, or click date to read all below it.

07-31-08   Biased as an owner could be, i'm very happy with these amps, ...   Sbank

07-31-08   Spencer has said it all. i wholeheartedly agree.   Detlof

07-31-08   The most truthful-sounding amps i've heard, but not everyone ...   Jb0194

07-31-08   Correction: "a fully balanced...preamp..." is what ...   Jb0194

07-31-08   Sounds good to me....anyone else? i have a cary slp-05 pre ...   Jtwrace

07-31-08   What 200w class a mono blocks do you have? i moved from cat ...   Pubul57

07-31-08   I have clayton m-200's now.   Jtwrace

07-31-08   Well then, you are used to heat - a good thing. interesting ...   Pubul57

07-31-08   you are a clayton dealer, correct? the class a claytons wi ...   Tvad

07-31-08   I own a pair of ma-1s from 1990, obviously very early in the ...   Jimjoyce25

07-31-08   I agree completely with sbank's description of the atma-sphe ...   Rushton

07-31-08   The ma-1s are teh best amps i have heard in my system. i di ...   Honest1

08-01-08   Interesting. some questions for the newer owners: 1. can ...   Jimjoyce25

08-01-08   I think you should talk with ralph directly; you will get st ...   Rleff

08-01-08   Rleff offers good advice about calling ralph. he's easy to t ...   Rushton

08-02-08   I own a pair of ma-1 mk.iiis and an mp-1 mk.iii linestage+ph ...   Jtimothya

08-02-08   Jtimothya, i know what you mean about gushing. i was thinkin ...   Pubul57

08-02-08   Having owned products from both pass labs (xa-30.5 and xa-60 ...   Tvad

08-02-08   A nice problem to have indeed - i still regret having sold m ...   Pubul57

08-02-08   Hello jtwrace, please remember what i'm about to tell you i ...   Trcnetmsncom

08-02-08   I was wondering if ralph ever visits this forum....if he doe ...   Jtwrace

08-02-08   Hi tom, good to see your post! one thing folks should be aw ...   Rushton

08-02-08   Hello rush, i'm afraid i don't know the brand of the 6sn7 t ...   Trcnetmsncom

08-02-08   Rushton's comments on the driver tubes are right on. i found ...   Pubul57

08-02-08   Tom, it did turn out simply to be break in for the new capac ...   Rushton

08-03-08   Rush, i could be wrong but i strongly suspect that for me th ...   Trcnetmsncom

08-03-08   Thank you rushton, tom, pbul57, tvad, and others for your co ...   Jtimothya

08-03-08   Hello tim, thanks for the contribution and insightful comme ...   Trcnetmsncom

08-03-08   Tim, tom, are both of your observations with atma-sphere pre ...   Pubul57

08-03-08   Hello pubul57, my observations are made only about the atma ...   Trcnetmsncom

08-03-08   Agree on no best at everything. i tend to prefer neutral bec ...   Pubul57

08-03-08   Pubul57, i've had the great pleasure recently to spend some ...   Rushton

08-03-08   Rushton, are your feelings about the mp3 based on the phonos ...   Pubul57

08-04-08   I was quite fascinated with what trcnetmsncom had to say abo ...   Detlof

08-04-08   Pubul57, my listening to both the mp-1 and the mp-3 have bee ...   Rushton

08-04-08   Amp-loudspeaker matching is no less important with atma amps ...   Jb0194

08-04-08   an understatement. in fact, amp/speaker matching is more im ...   Tvad

08-04-08     thank you tom.   i found the amps and preamp more simila ...   Jtimothya

08-05-08   Hello detlof, thanks for the kind and respectful response. ...   Trcnetmsncom

08-05-08   Hello tom, hh sure does. i am glad you agree. thank you for ...   Detlof

08-06-08   A question for nos tube users - howoftendoyou change 6sn7s? ...   Honest1

08-06-08   Which 6sn7's do you guys use?   Jtwrace

08-06-08   I mix rca gta grey glass with sylvania gtbs. some argue that ...   Pubul57

08-06-08   I use sylvania gtbs with matched pairs in the two postions a ...   Rushton

08-06-08   In the preamp i use matched rca gts which are a bit more rom ...   Pubul57

08-07-08   I swap tubes around every few months - there are many great ...   Jtimothya

08-07-08   Just in case anyone is unfamiliar with it, there is also a v ...   Sbank

08-07-08: Atmasphere
Spencer, we've not used 12SX7s at any time, but at one time it was a popular field modification. The 12SX7 has similar specs to the 6SN7 and it is easy to set op the filaments for 12V, so it was a way to get access to an unused tube stock.
Atmasphere  (Threads | Answers | This Thread)


08-07-08   Ralph, is there any problem using us made (e.g., ge) nos 6as ...   Pubul57

08-07-08   Please let's not forget that the chinese-manufactured 6sn7s ...   Jb0194


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