CLASSE Sigma AMP5

Sigma AMP5 FIVE-CHANNEL AMPLIFIER

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All tests un-weighted and 20Hz – 20kHz measurement bandwidth used.

Frequency response

10Hz – 20kHz, -1dB into 4Ω 

Output power

200W rms into 8Ω All channels driven
400W rms into 4Ω Any two channels driven* 

Harmonic Distortion

0.018% @ 1kHz All channelsdriven 
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 Impedance

100kΩ Balanced / 50kΩ SE 

Voltage gain

29 dB 

Input level at clipping

1.4Vrms Balanced/SE

Intermodulation Distortion

>80 dB below fundamental into 8Ω SE

Signal to Noise Ratio

-100 dB 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” (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)

*each channel supports 400W output into 4 ohms but the AC Mains/power 
supply cannot support all channels driven simultaneously at this level, which 
would require over 2,500W and only occur under a special test condition. 
Every channel easily drives lower impedance loads.