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
17,145
DonH50
DonH50
Ron Resnick
Atma-Sphere MA-2 Amplifier
  • 9
Replies
9
Views
4,023
M
MrC.
jeffreybehr
Improved some parts in my Atma-Sphere M-60/3.3 poweramps
  • 15
Replies
15
Views
932
U
Urbanshaman
jeffreybehr
And now it's the MA-1s in the system and with fewer output tubes
  • 0
Replies
0
Views
126
jeffreybehr
jeffreybehr
jeffreybehr
Reinstalled M-60s in the system, driving Serenity Super-7s
  • 1
Replies
1
Views
301
jeffreybehr
jeffreybehr
R
Differences Between Chinese and Russia 6AS7 Tubes
  • 12
Replies
12
Views
12,375
Atmasphere
Atmasphere
jeffreybehr
Oh-m'-god--bought a pair of MA-1/3.1s thru USAudiomart.
  • 20
Replies
20
Views
1,295
jeffreybehr
jeffreybehr
R
6080 Tubes or Alternate to the 6AS7 Tubes
  • 1
Replies
1
Views
4,945
jeffreybehr
jeffreybehr
R
What Cables Are You Using With Atma-Sphere Gear & Why?
  • 19
Replies
19
Views
9,928
tima
tima
F
Atma-sphere MA-1 MK 3.3 - Fuse Replacement Vs. Upgrading Power Cord
  • 0
Replies
0
Views
2,671
F
ferrox
C
Anyone hear the MA-3?
  • 13
Replies
13
Views
12,811
F
ferrox
Brian Walsh
Atma-Sphere MP-1 Mk 3.3
  • 12
Replies
12
Views
11,284
F
ferrox
Atmasphere
New preamp called the Ultraviolet!
  • 16
Replies
16
Views
18,011
Brian Walsh
Brian Walsh
Gregadd
New Atma-Sphere amp
  • 7
Replies
7
Views
7,672
Atmasphere
Atmasphere
Gregadd
Atma-Sphere Cutting Lathe
  • 32
Replies
32
Views
19,998
MylesBAstor
MylesBAstor
Gregadd
Last of the cowboys
  • 20
Replies
20
Views
13,670
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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