Description
Struss Audio Ultimate integrated amplifier
The Struss Audio Ultimate is a high-end audiophile amplifier hand-made in Poland by dedicated craftsmen. Beautifully designed inside and outside.
Designers of Struss Audio have once again reached a new level on their way to perfect sound. The Ultimate amplifier is more subtle and noble, clear and spatial, powerful and confident. Anyone looking for the full sound of outstanding power, consistency and musicality – will find them in this device.
The Ultimate has been designed in a dual-mono system (balanced), which is an extension compared the previous model. It features two very efficient transformers. They are magnetically and electrostatically isolated, each with a power of 600W. The amplifier receives enough power to drive any speaker. The power of 250W at 8 Ohms makes the Ultimate a beast. Both channels work in a balanced configuration. There is no coupling capacity in the whole acoustic channel. It’s a clean DC circuit. The amplifier has been built in the J-FET / FET technology. Dynamics and speed are features you will immediately notice.
The preamplifier a passive circuit that supports all linear inputs. It transmits the signal from a CD player, DAC or streamer through the volume control directly to the power amplifiers. The passive preamplifier design has been maximally minimized. The Ultimate uses an advanced constant input impedance, high-sensitivity circuit that matches the line input specification. A turntable can also be connected. With both MM and MC cartridges. This part of the preamplifier circuit, similarly to the linear one, consists only of discrete elements. The phono section will surely provide an unforgettable experience for fans of analogue records.
Specifications
| Power: | 2 x 250 W/8 Ω (CLASS AB) 2 x 400 W/4 Ω (CLASS AB) |
| Minimum impedance load: | 1 Ohm (instantaneous) |
| Power consumption: | STATIC 40 VA PEAK 1200 VA |
| Output impedance: | 0.20 Ω |
| Distortion – THD: | 0.05% at 1 W / 8 Ω 0.015% at 245 W / 8 Ω |
| Frequency response: | 3 Hz – 100 kHz – 3 dB / 1 W / 8Ω |
| Non-linearities in the frequency band: | 10 – 30,000 Hz: ± 0.01 dB |
| Slew rate: | 200 V/μs |
| Dynamics: | 135 dB |
| Signal – noise ratio: | 130 dB (IHF – A) |
| Inputs: | 5 x universal – RCA XLR Amphenol separated CD / DAC – RCA WBT phono MM – RCA input power amplifiers – RCA |
| Output | Passive preamplifier – RCA |
| Sensitivity of inputs: | 500 mV – universal inputs and dedicated CD / DAC 500 mV – XLR input 3 mV – MM input 0,2 mV – MC input 0.500 V – power amplifiers |
| Impedance inputs: | 100 kΩ; universal inputs and CD / DAC 22 kΩ XLR 47 kΩ MM 100 Ω MC 47 kΩ power amplifiers |
| Potentiometer (volume): | the highest precision model the Alps – Blue Velvet |
| Transformers: | 2 x toroidal, 600 VA each |
| Capacitors filtering the supply voltage: | 8 x 12 000 uF – Nippon Chemi-Con |
| Advanced protection system: | against short-circuiting of the loudspeakers and a stream of DC voltageat the output |
| Remote control: | RC5 code (volume) |
| Net weight: | 19 kg |
| Dimensions: | 430 x 102 x 338 mm |
| Manufacturer’s warranty: | 24 months |
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