
Electronics & TechnologyVerified Company
S-30 Mk 3.3 OTL Stereo Amplifier
Atma-Sphere Music Systems$5,000-$5,500
Features
- 30W/channel into 8Ω, 45W into 16Ω OTL stereo amplifier
- Hand-wired point-to-point construction with automatic bias
- Patented Circlotronic direct-coupled output stage
- Class A2 operation, power bandwidth 2 Hz–75 kHz
- No output transformers — wide bandwidth, natural tube sonics
Description
Atma-Sphere's entry OTL stereo amplifier producing 30 watts per channel into 8 ohms. Features hand-wired point-to-point construction, automatic bias, and Class A2 operation via the patented Circlotronic direct-coupled output stage. Power bandwidth extends from 2 Hz to 75 kHz within half a dB.
Made in the USA
Hand-wired point-to-point at Atma-Sphere's Saint Paul, MN workshop.
Similar products Made in America
More Electronics & Technology from American manufacturers




















