Sigma AMP5 FIVE-CHANNEL AMPLIFIER The Sigma series AMP5 is a 200W/Ch five-channel amplifier derived from the AMP2, but with necessary part and layout...
Go to the review section| Brand | Classe |
| Type | Amplifiers |
| Tags | Amplifer, Power Amp |
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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.
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All tests un-weighted and 20Hz – 20kHz measurement bandwidth used. |
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Frequency response |
10Hz – 20kHz, -1dB into 4Ω |
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Output power |
200W rms into 8Ω All channels driven |
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Harmonic Distortion |
0.018% @ 1kHz All channelsdriven |
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Peak Output Voltage |
113V peak to peak, 40V RMS no load |
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Input Impedance |
100kΩ Balanced / 50kΩ SE |
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Voltage gain |
29 dB |
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Input level at clipping |
1.4Vrms Balanced/SE |
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Intermodulation |
>80 dB below fundamental into 8Ω SE |
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Signal to Noise Ratio |
-100 dB at peak output into 8Ω (AES17) |
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Rated power |
200W @ 1/8th power into 8Ω |
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Mains voltage |
100V - 240V, 50/60Hz |
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Overall Dimensions |
Width: 17.00" (433mm) |
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Net weight |
23.1 lb (10.48 kg) |
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Shipping weight |
30.0 lb (13.61 kg) |
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*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.
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