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Atma-Sphere Music Systems

Atma-Sphere Music Systems

Verified
Saint Paul, MNFounded 1976

Atma-Sphere Music Systems has been hand-crafting OTL (output transformerless) tube amplifiers and preamplifiers in Saint Paul, Minnesota since 1976. Founded by Ralph Karsten, the company pioneered balanced-line preamplifier design and holds multiple patents in tube amplifier technology. Every product is hand-wired point-to-point in-house using high-quality custom components.

Products by Atma-Sphere Music Systems

4 products listed

UV-1 Tube Preamplifier$2,800-$4,000

UV-1 Tube Preamplifier

Atma-Sphere Music Systems
VerifiedMN
MP-3 Mk 3.3 Tube Preamplifier$6,500-$8,000

MP-3 Mk 3.3 Tube Preamplifier

Atma-Sphere Music Systems
VerifiedMN
M-60 Mk 3.3 OTL Monoblock Amplifier$8,000-$8,500

M-60 Mk 3.3 OTL Monoblock Amplifier

Atma-Sphere Music Systems
VerifiedMN
S-30 Mk 3.3 OTL Stereo Amplifier$5,000-$5,500

S-30 Mk 3.3 OTL Stereo Amplifier

Atma-Sphere Music Systems
VerifiedMN