ARC Audio KS125.4 mini
4-channel amplifier
/piece
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Description
The KS125.4 mini from ARC Audio is a 4-channel amplifier that is characterized by its compactness and impressive performance. It is part of the KS series and features a clear and dynamic design. The use of analog Class-H technology ensures that there are no radio reception problems. Another feature of this model is the Class G/H power amplifier developed by Robert Zeff, which promises a very high damping factor, high efficiency and the best sound experience. All in all, the KS125.4 mini is an outstanding amplifier that combines low power consumption with outstanding sound quality.
The Arc Audio KS125.4 mini 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 70 Watt @ 4 Ohm
- 4 x 125 Watt @ 2 Ohm
- 2 x 250 Watt @ 4 Ohm
- Frequency range: 5 Hz - 50 kHz
- Crossovers: HP/LP filter 55 Hz - 5.5 kHz
- Signal-to-noise ratio: 92dB
- Distortion factor: 0.05%
- Frequency range: 10Hz- 50KHz
- Crossover: Butterworth (55Hz - 550Hz)
- Bass boost: 15dB 45Hz
- Fuse: 30A x 2
- Dimensions: 12.3 cm x 29.5 cm x 4.3 cm
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