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Sigma SSP

Surround Sound Preamp/Processor

Sigma AMP2

Two-channel Amplifier

Sigma AMP5

Five-channel Amplifier
 sigma-ssp (1)
 sigma-amp2 (1)
 sigma-amp5 (1)

Streep.fw

 

Information

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.

Specifications

Usb audio

Up to 24-bit/192kHz

Usb (Host)

Charging capability 2 Amps

AirPlay supported formats

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

DLNA supported formats

Apple Lossless (ALAC), mp3, FLAC,
WAV, Ogg Vorbis, WMA, AAC

Frequency response

8Hz - 200kHz < 1dB, stereo digital bypass
8Hz - 20kHz < 0,5dB, all other sources

Channel matching
(Left to Right)

Better than 0,05dB


Distortion (THD + noise)

0.0005%, digital source/bypassed analog source
0.002%, processed analog source

Maximum input level (single-ended)

2 Vrms (DSP)
4.5 Vrms (bypass)

Maximum input level (balanced)

4 Vrms (DSP)
9 Vrms (bypass)

Maximum output level (single-ended)

9 Vrms

Gain Range

-93dB to +14dB

Input impedance (single-ended)

100kΩ

Input impedance (balanced)

50kΩ

Output impedance (single-ended)

100Ω

Output impedance (balanced)

300Ω
Signal-to-noise ratio (ref. 4Vrms input, unweighted)

104 dB, bypassed analog source
101 dB, processed analog source
(re. full-scale input, unweighted)
105 dB, digital source

Channel separation

Better than 100dB

Channel matching (Left to Right)

>0.05dB

Crosstalk (any input to any output)

Better than -130dB @ 1kHz

Rated power consumption

35W

Mains voltage

100-240V, 50/60Hz

Overall dimensions

Width:
17.0” (433mm)
Depth (excluding connectors):
14.57” (370mm)
Height:
3.75” (95mm)

Net weight 23.1 lb (10.48 kg)
Shipping weight 30.0 lb (13.61 kg)

 

 

Information

The Sigma series AMP2 is a 200W/Ch stereo amplifier utilizing switching technologies for both power supply and amplification stages. A Classé-designed switch mode power supply with Power Factor Correction makes over 1,000W of clean and stable power available while being both compact and efficient. A new class D amplifier topology provides wide dynamic range, smooth and extended frequency response and rich harmonic detail to yield stunning sonic performance. The efficiency of class D adds efficiency, low heat dissipation and relatively small size to the list of the AMP2’s attributes.

Specifications

Frequency response

10Hz - 20kHz, -1dB into 4Ω

Output power

200W RMS into 8Ω,
400W RMS into 4Ω

Harmonic Distortion

<0.018% @ 1kHz Balanced input

Peak Output Voltage

113V peak to peak, 40V RMS no load

113V peak to peak, 40V RMS into 8Ω

Input Impendance

100kΩ Balanced / 50 kΩ SE

Voltage Gain

29 dB

Input level at clipping

1.4Vrms Balanced/SE

Intermodulation distortion

>80 dB below fundamental into 8Ω Balanced

Signal to noise ratio

-100 dB at peak output into 8Ω (AES17)

Rated power consumption 177W @ 1/8th power into 4Ω

Mains voltage

100V - 240V, 50/60Hz
Overall dimensions

Width:
17.00" (433 mm)
Depth (excluding connectors):
14.57" (370 mm)
Height:
3.75" (95 mm) 

Net weight

22.0 lb (9.97 kg)

Shipping weight 28.0 lb (12.70 kg)

 

Information

The Sigma series AMP5 is a 200W/Ch five-channel amplifier derived from the AMP2, but with necessary part and layout changes to accommodate its five-channel architecture. Like the AMP2, it utilizes switching technologies for both power supply and amplification stages. A Classé-designed switch mode power supply with Power Factor Correction makes over 1,000W of clean and stable power available while being both compact and efficient. A new class D amplifier topology provides wide dynamic range, smooth and extended frequency response and rich harmonic detail to yield stunning sonic performance. The efficiency of class D adds efficiency, low heat dissipation and relatively small size to the list of the AMP5’s attributes.

Specifications

Frequency response

10Hz - 20kHz, -1dB into 4Ω

Output power

200W RMS into 8Ω, all channels driven

400W RMS into 4Ω, any two channel driven

Harmonic Distortion

0.018% @ 1kHz, all channels driven to 1/8th power into 8Ω

Peak Output Voltage

113V peak to peak, 40V RMS no load

113V peak to peak, 40V RMS into 8Ω

Input Impendance

100kΩ Balanced / 50kΩ SE

Voltage Gain

29dB

Input level at clipping

1.4Vrms Balanced/SE

Intermodulation distortion

>80dB below fundamental into 8Ω SE

Signal to noise ratio

-100dB at peak output into 8Ω (AES17)

Rated power consumption

200W @ 1/8th power into 8Ω

Mains voltage

100V - 240V, 50/60Hz
Overall dimensions

Width:
17.00" (433 mm)
Depth (excluding connectors):
14.57" (370 mm)
Height:
3.75" (95 mm) 

Net weight

23.1 lb (10.48 kg)

Shipping weight 30.0 lb (13.61 kg)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


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