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Classe Sigma AMP5 Multichannel Power Amplifier

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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 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.

Sigma AMP5 FIVE-CHANNEL AMPLIFIER
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.

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For other areas please contact us for a quote. Select items can be delivered internationally by prior agreement. Again please contact us for a quote. We will always do our best to help.

Our aim is to dispatch goods within 2 working days of an order being placed. Please allow 5 working days from the time of your order to receipt of item. If an order is expected to take longer than this our order fulfillment department will contact you to inform you of this.

Where multiple items are ordered, we will dispatch them all in one package. If you have ordered any special or customized items, or items otherwise not immediately available, we will dispatch the order when all items are available. If you have any concerns regarding this, please contact us and we will do are very best to help you.

Classe Sigma AMP5 Multichannel Power Amplifier




Nintronics offers generous trade in prices to help make your next upgrade as seamless as possible, while greatly reducing the overall price of your purchase. Depending upon the items involved, Nintronics will be happy to send out one of our nationwide installation engineers to collect your traded in items and unbox, setup and calibrate your new equipment.

Classe Sigma AMP5 Multichannel Power Amplifier

"Please include age, condition, make, model and serial numbers of the units you wish to trade in. Please note if you have the original accessories, boxes, invoice etc... This will help with increasing your trade in value."




Nintronics Ltd, Unit 7, Martinfield Business Centre, Welwyn Garden City, AL7 1HG
Tel: 01707 320788 Email: sales@nintronics.co.uk

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