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Reference series RA20 is a two-channel amplifier. Provides a power output of 2 x 130 Watts with 4-ohm stereo and 440 Watts with 4 ohm mono bridge connection.
Features
Specifications
Features
- Built-in variable 40-125 Hz switchable low pass filter for subwoofers.
- Built-in/switchable variable 20-150 Hz high pass filter that can be used as a subsonic filter or high-pass filter for front systems.
- Grand bass 0-18 dB.
- Phase shift control.
- High level input with automatic start.
- RMS output per channel @ 13,8 volts, 20 Hz - 20 kHz , < 0,1% distortion.
Specifications
- Number of channels: 2
- Amplifier class: AB
- Mono bridge mode 4 ohm: 440 W RMS
- Output power in 2 ohm: 2 x 200 W RMS
- Output power in 4 ohm: 2 x 130 W RMS
- Damping factor: > 200
- S/N ratio, A-weighted: > 100 dB
- Frequency range: 10 Hz - 50 kHz
- Input sensitivity: 0,2 - 7 V
- Input impedance: > 10 kohm
- Input impedance, high level: 330 ohm
- High pass filter: 20 - 150 Hz
- Low pass filter: 40 - 125 Hz
- Grand bass filter: 0-18 dB @ 40 Hz
- Low level output: No
- Phase control for subwoofers: 0-180 degrees cont. variable
- High level input with auto start: Yes
- Power consumption (idle): 0,6 A
- Power consumption (max): 50 A
- Rec. power cable: Minimum 4AWG / 21 mm2
- Fuses: 2 x 25 A
- Dimension (W x D x H): 359 x 245 x 59 mm (14,1 x 9,65 x 2,33 inch)
- Weight: 3,8 kg ( 8,4 lb)
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