NEC M-1000 100V as monoblock amps

[Cosmin2000]

Hi all! I am very tempted to buy the very rare Japan domestic models NEC M-1000. These integrated amps were produced at the beginning of '90, have a motorized volume control, 15000 microF/56V smoothing filtering capacitors. The power is 50W/8 Ohm, 100W/4 Ohm, 11.2kg. They have the possibility to be bridged to 200 W/8 Ohm!
On the back of the amps is stated the power consumption of 180W. Hence, my question: how could they produce 200W from a power supply with maximum consumption of 180 W?
I am wondering if I could buy a pair, use the bridged mode to power my Yamaha NS-1000Ms.
Anyone experienced these amps before? Thanks!

http://hifido.co.jp/KW%A5%AA%A1%BC%...1%BC%A5%BA/G0104/J/100-20/C11-59568-03456-00/
http://www.hifido.co.jp/KWM-1000/G1/J/50-10/C11-58844-06120-00/

 

[Binkman]

On the back of the amps is stated the power consumption of 180W. Hence, my question: how could they produce 200W from a power supply with maximum consumption of 180 W?

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Could not find much on this in english but this unit is input voltage AC is 100vac rated so 220vac in Romania isn't compatible unless you step down to 100vac.
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This label on back is stating the units power consumption in watts. Just like a 100w light bulb uses 100watts.
The amplifier produces 'speaker' output power from the amplifier stage.. amplifying @ rated 1 watt per meter. So basically the unit is capable of 'output' wattage of stated specs output from speaker terminals.

hope it helps.
bink

 

[whoaru99]

Because the ratings on the back panel are not necessarily indicative of maximum consumption. More often, the rating is at a more moderate output level, not at full blast/rated power.

The rating method is typically guided by the regulatory agencies of the intended market region. For example, the Yamaha M-80 amp was sold in several market regions throughout the world. The service manual lists I think five different back panel ratings with a pretty wide variance between highest and lowest, depending on the market region where it was intended for sale.