KEBSCHULL 35/70

Pre owned. In good condition. Shows slight signs of wear. Without original packaging.

The Kebschull 35/70 are rare mono tube power amplifiers handcrafted in Germany in the early 1990s, reflecting the design philosophy of the Kebschull manufacturer, focused on limited production and highly specialised engineering. These are hand-built amplifiers designed to deliver high-level performance through a technical and sonic approach centred on signal purity and component quality, factors that still make them highly sought-after items among audiophiles today.

The monoblock configuration allows each channel to operate completely independently, improving separation, dynamics and overall system control. The design favours Class A operation, with a continuous output power of approximately 18 watts per channel, delivering a particularly linear and refined performance, perceived as roughly equivalent to 35 watts in Class AB, with the ability to reach dynamic peaks of up to around 80 watts into 8 ohms. This behaviour highlights a design philosophy focused not only on nominal power ratings, but above all on musical performance and the ability to handle dynamic changes with natural ease.

From a sonic perspective, these amplifiers stand out for an extremely rich and engaging reproduction, with a dense harmonic structure, a particularly expressive midrange, and an overall smooth and natural presentation. The characteristic tube timbre translates into a warm yet detailed sound, capable of delivering depth and three-dimensionality to the soundstage, while maintaining good bass control and convincing dynamic performance even with complex musical passages.

The construction reflects a high-level artisanal approach, with selected original components and a build quality that prioritises reliability and circuit coherence. The available units retain all original parts, including the tubes, and have not been modified or subject to invasive servicing, preserving their historical integrity. Overall condition is very good, with careful cleaning and only minor cosmetic signs of use, such as small imperfections on capacitor covers, while any marks visible on the chassis are generally reflections rather than actual damage.

Overall, the Kebschull 35/70 represent a significant example of high-end European tube amplification, where hand construction, material selection and circuit design combine to produce a highly musical and distinctive sound, balancing power, refinement and expressiveness in a rare and remarkable product.

Technical specifications:

• Power output: 35 W into 8 Ω (mono)
• Frequency response: 15 Hz – 30 kHz
• Total harmonic distortion: 0.5%
• Input sensitivity: 0.45 V; 0.460 V
• Input impedance: 47,000 ohms
• Signal-to-noise ratio: > 90 dB
• Speaker load impedance: 4 Ω – 8 Ω
• Output impedance: 1 Ω; 4 Ω; 8 Ω
• Dimensions: 26 x 37 x 19 cm
• Weight: 13.5 kg