ARC Audio KS300.4
4-channel amplifier
/piece
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Description
Discover the KS300.4, an impressive 4-channel amplifier from ARC Audio. This device offers excellent sound quality, supported by a high damping factor and very good efficiency. It is compact and stylish, with clear and powerful dynamics. Its Class G/H power amplifiers, developed by Robert Zeff, and the connection to Class H technology ensure no radio reception problems. The KS300.4 combines low power consumption with outstanding sonic capabilities, making it a trusted choice for your audio setup.
The Arc Audio KS300.4 4-channel amplifier impresses with a very high damping factor, very good efficiency and top sound quality.
- Compact, powerful, dynamic and clear design
- Analog Class-H
- No radio reception problems
- Class G/H power amplifiers developed by Robert Zeff
- Very high damping factor, very good efficiency and top sound quality.
With Class H, even the power supply voltage is modulated by the input signal, so the rail voltage is practically infinitely variable above a certain value, which further improves efficiency.
This power supply technology is significantly more complex than conventional Class A/B power amplifiers with a single, fixed rail voltage, so it is no wonder that only a few manufacturers dare to tackle the topic of Class G/H at all.
The output stage of Class G & H is constructed identically to the familiar Class A/B amplifier circuit. This is the big difference to the Class D variants used in other compact power amplifiers, which always require sound-reducing and distortion-enhancing output filters.
Class G/H therefore combines low power consumption with outstanding sonic capabilities.
Features
- 4-channel amplifier
- 4 x 90 Watt @ 4 Ohm
- 4 x 175 Watt @ 2 Ohm
- 2 x 350 Watt @ 4 Ohm
- Frequency range: 5 Hz - 50 kHz
- Crossovers: HP/LP filter 55 Hz - 5.5 kHz
- Bass boost: 18 dB @ 45 Hz
- Signal-to-noise ratio: 95 dB
- Input sensitivity (low level): 200mV - 3.5V
- Maximum current consumption: 85 amps @ 800 watts (1% THD)
- Quiescent current consumption: 1.14 amps
- Dimensions: 29 cm x 20 cm x 6 cm
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