P 5000 E

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m Powerful 6-parallel push-pull output stage in each channel delivers linear power down to very low load impedances m Input stage with
MCS topology m Current feedback circuit combines excellent sound quality with total operation stability m Bridged connection mode allows upgrading to true monophonic amplifier m Massive Super
Ring toroidal transformer rated for 1 kVA m 4-step gain control

Stereo power amplifier is ideal match for C-2400
MCS technology in input stage improves S/N ratio, distortion ratings and other characteristics.
6 pairs of wide-band high-power transistors in parallel push-pull configuration for each channel. Massive 1 kVA toroidal power transformer supports 650 watts of power into ultra-low 1-ohm impedance. 4-step gain control effectively reduces noise.

Note 1: Low amplifier output impedance
When forming the load of a power amplifier a loudspeaker generates a counterelectromotive force that can flow back into the amplifier via the NF loop. This phenomenon is influenced by fluctuations in speaker impedance and interferes with the drive performance of the amplifier. The output impedance of a power amplifier should therefore be made as low as possible by using output devices with high current capability. This absorbs the counterelectromotive force generated by the voice coil and prevents the occurrence of intermodulation distortion.

Note 2: Constant drive voltage principle
Even when the impedance of a load fluctuates drastically, the ideal power amplifier should deliver a constant voltage signal to the load. Figure 2 is a graph plotting the output voltage versus current characteristics. Even when the load changes, the output voltage remains almost constant, showing linear current progression. Actual measurement of clipping power at the extremely low load impedance of 1 ohm yields 660 watts. At 2
ohms, the figure is 500 watts, at 4 ohms 310 watts, and at 8
ohms 171 watts. This demonstrates the impressive performance reserves of this amplifier.

6-parallel push-pull power unit delivers guaranteed linear power output of 400 watts into 2 ohms, 200
watts into 4 ohms and 100 watts into 8 ohms
The output stage uses high-power transistors with a rated collector dissipation of 150 watts and collector current of 15 amperes. These devices boast excellent frequency response, current amplification linearity, and switching characteristics. The

transistors are arranged in a 6-parallel push-pull configuration (Figure 1) for ultra-low impedance and mounted on a massive heat sink made from diecast

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