Ypsilon SET100 Ultimate

Mono Block Class A Hybrid Power Amplifier (pair)

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The SET100 Ultimate is a 120W single-ended class A hybrid amplifier. It has the magic midrange of a small S.E.T amplifier with the scale, authority, macro and micro detail that no S.E.T amplifier has ever achieved until now. It uses a specially designed S-E mosfet output stage directly coupled at the output using a double C-core amorphous choke as the DC current path.

With only 2 gain stages in the signal path, the level of immediacy and transparency is unequalled by designs using more than 2 gain stages. Having no overall feedback, the distortion is kept comparably low while the output impedance is sufficient enough to drive real-world loudspeakers.

The first stage uses a high transconductance triode, the SIEMENS EC8010 selected for its sonic capabilities and reliability. It is powered by a separate power supply with tube rectification and choke regulation. This stage is transformer coupled with the output stage. This inter-stage transformer is a state-of-the-art component which uses a proprietary double c-core material and an optimized unique winding design. Sonically it is an invisible component.

The power supply is designed as a system paying attention to every smallest detail that could affect the sound quality. A low noise E-I power transformer, a big size power supply choke and 4 pole electrolytic capacitors are used in this design. It is also hard wired with silver wire. Mechanical, magnetic and electrical noise is extremely low which contributes to the quiet operation of the system. The low noise floor is extraordinary. The output stage and all internal wiring are hard wired with silver wire extruded to Ypsilon’s specifications.

Many experienced audiophiles believe that the perfect amplifier would have the immediacy, delicacy, tone and realism of a SET along with the power and drive capability of a large solid-state amplifier. Achieving those attributes in the one amplifier has been thought of as being impossible so the ‘perfect amplifier’ remains a dream. Until Now!

The SET 100 is an amplifier that produces music in its true natural scale, but above all it brings you as close as possible to the musical event or artist’s message, to feel the music rather than hear it, to be touched and overwhelmed by a deeper, more intimate feeling. Compared with conventional amplifiers, the SET100 it is more direct sounding, more musical, with more instrument body, more ‘chest’ in the voice, a lower frequency extension, frightening dynamics and most of all magically three dimensional. These sets of qualities place the SET100 at the pinnacle of amplifier design and performance.


Product Specification

Output Power Before Clipping 120W rms @ 8 Ohm
130W rms @5.6 Ohm
100W rms @ 4 Ohm
Bandwidth 5Hz -80Khz -3dB
Output Impedance 0.22 Ω
Input Impedance 47 kΩ
Gain X30 (29,5dB)
Inputs Balanced, Unbalanced
Power Consumption 400W constantly
Dimensions 240mm (W) x 610mm (H) x 672mm (D)
Weight 100kg each