Atma-Sphere Tube Amplifier Forum

Learn from Ralph Karsten the Atma-Sphere founder/designer and discuss with fellow owners.
Atmasphere
What an OTL is, and why you should care
  • Sticky
  • 40
Replies
40
Views
16,857
DonH50
DonH50
jeffreybehr
Reinstalled M-60s in the system, driving Serenity Super-7s
  • 1
Replies
1
Views
200
jeffreybehr
jeffreybehr
R
Differences Between Chinese and Russia 6AS7 Tubes
  • 12
Replies
12
Views
12,226
Atmasphere
Atmasphere
Ron Resnick
Atma-Sphere MA-2 Amplifier
  • 8
Replies
8
Views
3,838
Atmasphere
Atmasphere
jeffreybehr
Oh-m'-god--bought a pair of MA-1/3.1s thru USAudiomart.
  • 20
Replies
20
Views
1,070
jeffreybehr
jeffreybehr
jeffreybehr
Improved some parts in my Atma-Sphere M-60/3.3 poweramps
  • 12
Replies
12
Views
653
jeffreybehr
jeffreybehr
R
6080 Tubes or Alternate to the 6AS7 Tubes
  • 1
Replies
1
Views
4,841
jeffreybehr
jeffreybehr
R
What Cables Are You Using With Atma-Sphere Gear & Why?
  • 19
Replies
19
Views
9,805
tima
tima
F
Atma-sphere MA-1 MK 3.3 - Fuse Replacement Vs. Upgrading Power Cord
  • 0
Replies
0
Views
2,580
F
ferrox
C
Anyone hear the MA-3?
  • 13
Replies
13
Views
12,671
F
ferrox
Brian Walsh
Atma-Sphere MP-1 Mk 3.3
  • 12
Replies
12
Views
11,112
F
ferrox
Atmasphere
New preamp called the Ultraviolet!
  • 16
Replies
16
Views
17,905
Brian Walsh
Brian Walsh
Gregadd
New Atma-Sphere amp
  • 7
Replies
7
Views
7,607
Atmasphere
Atmasphere
Gregadd
Atma-Sphere Cutting Lathe
  • 32
Replies
32
Views
19,920
MylesBAstor
MylesBAstor
Gregadd
Last of the cowboys
  • 20
Replies
20
Views
13,570
Brian Walsh
Brian Walsh
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  • What’s Best Forum is THE forum for high end audio, product reviews, advice and sharing experiences on the best of everything else. A place where audiophiles and audio companies discuss existing and new audio products, music servers, music streamers and computer audio, digital to audio convertors (DACS), turntables, phono stages, cartridges, reel to reel, speakers, headphones, tube amplifiers and solid state amplification. Founded in 2010 What's Best Forum invites intelligent and courteous people of all interests and backgrounds to describe and discuss the best of everything. From beginners to life-long hobbyists to industry professionals we enjoy learning about new things and meeting new people and participating in spirited debates.

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