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Classe Sigma SSP Processor




Sigma SSP

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The Sigma SSP is a 7.1 channel preamp/processor optimized for stereo but including HDMI switching, multichannel processing and bass management. Its wide variety of input connectors includes asynchronous USB and Ethernet for streaming, augmented by coax and optical; balanced and single-ended analog inputs plus an optional phono stage show how versatile this preamp/processor is despite its compact size. A host of performance-oriented features including digital domain tone/tilt control, and nine-band per channel parametric EQ ensure the best performance with each recording in every room.

USB audio
USB (Host)
AirPlay supported 
DLNA supported 
Frequency response 
Channel Matching 
(Left to Right)
Distortion (THD+noise)
Maximum input level 
Maximum input level 
Maximum output level 
Maximum output level 
Gain Range 
Input impedance 
Input impedance 
Output impedance 
Output impedance 
Signal-to-noise ratio 
(ref. 4Vrms input, unweighted)
Channel separation
Channel matching 
(left to right)
(any input to any output)
Rated power consumption
Mains voltage
Overall dimensions( WxDxH)
up to 24-bit/192 kHz
charging capability 2 Amps
AAC (8 to 320 kbps) 
Protected AAC (from iTunes Store), 
HE-AAC, MP3 (8 to 320 kbps), 
MP3 VBR, Audible (formats 2, 3, 4) 
Audible Enhanced Audio (AAX, and AAX+), 
Apple Lossless, AIFF, and WAV
Apple Lossless (ALAC), mp3, FLAC, 
WAV, Ogg Vorbis, WMA, AAC
8Hz - 200 kHz<1 dB, stereo digital bypass 
8Hz - 20 kHz < 0.5 dB, all other sources
better than 0.05 dB
0.0005%, digital source/bypassed 
analog source 
.002%, processed analog source
2 Vrms (DSP), 4.5Vrms (bypass)
4 Vrms (DSP), 9 Vrms (bypass)
9 Vrms
18 Vrms
-93 dB to +14 dB
100 kΩ (single-ended)
50 kΩ (Balanced)
100 Ω
300 Ω
104 dB, bypassed analog source
101 dB, processed analog source 
(re. full-scale input, unweighted) 
105 dB, digital source
better than 100 dB
>0.05 dB
better than -130 dB @ 1 kHz
35 W
100-240 V, 50/60 Hz
433mm x 370mm x 95mm
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