Grandioso S1 Stereo Power Amplifier

SKU: S1 Category:


In music and the pleasant sense of unity, and listeners to forget the presence of audio. The music of beauty, the player of hot air, realism of unparalleled sound the air feeling of the Hall, unleashing the truth, it is born by the margin of the output wattage of the power amplifier. Including the powerful power supply unit, high power resulting from overwhelming amount of input. Inherit the spirit of the mono-block M1 faithfully, stereo machine S1 of esoteric highest peak, to unleash all of the sound, tells the music for uplifting the life feeling rich.

Impedance of the speaker, with a change of the frequency to be reproduced, have been rapidly changing. Percussion of shock and immediately after the silence, such as bass consecutive impedance is rapidly lowered, it is also not uncommon for close to a no-load situation is born. Against these drastic changes of the load situation, if there is no current supply capacity to always follow the linear, you can not be as possible to express the dynamics of the music. S1 was prepared by adding the maximum amount to the power supply unit that becomes the source of the current supply capacity, from 8Ω load 150W up to 600W at the time of 2Ω load, achieving a power linearity of the theoretical value as expected. It will faithfully reproduce the dynamics of the music at any volume level.

Additional information


Speaker Outputs
Rated output power 150 W + 150 W (8 Ω)
300 W + 300 W (4 Ω)
Maximum output power 600 W + 600 W (2 Ω)
Frequency response 5 Hz ~ 100 kHz (+1 W, -3 dB, 8 Ω)
Signal-to-noise ratio (S/N) 115 dB (IHF-A)
Total harmonic distortion 0.003 %
(1 kHz, 8 Ω, 150W)
Gain 29 dB
Jacks RCA jacks 1 line
XLR jacks 1 system
Power supply AC 100V 50-60Hz
Power consumption 430 W
External dimensions (W x H x D) 445 x 221.5 x 497.8 mm
(including protrusions)
Weight 47 kg (103.6 lb)
– Design and specifications are subject to change without notice.
– This product is available in three different power supply variations shown in the chart above. Make sure that the voltage shown on the rear panel matches the AC line voltage in your area.
– The shape of the AC inlet and plug of the supplied power cord depends on the voltage rating and destination country.


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