REFERENCE series RA50 is a 5-channel amplifier rated at 4 x 70 Watts + 1 x 265 Watts. The amplifier is 2 ohm stable on all channels.
Features
- Built-in variable 40-125 Hz switchable low pass filter as well as subsonic filter for subwoofers.
- Built-in filters that allows active crossover to a 2-way system or a mid bass speaker in a 3-way system.
- Grand bass 0-18 dB
- Phase shift control.
- High level input with automatic start.
- RMS output power @ 13, 8 volt DC feed with max max 0,1 % distortion, 20 Hz - 20 kHz.
- The DC input accepts up to 21 sq mm cable / 4AWG
Specifications
- Number of channels: 5
- Amplifier class: AB
- Mono bridge mode 4 ohm: 2 x 220 W RMS
- Output power in 2 ohm: 4 x 110 W RMS
- Output power in 4 ohm: 4 x 70 W RMS
- Mono sub channel 2 ohm: 365 W RMS
- Mono sub channel 4 ohm: 265 W RMS
- Damping factor: >200
- S/N ratio, A-weighted: >100 dB
- Frequency range: 10 Hz - 50 kHz
- Input sensitivity: 0, 5 - 8 V
- Input impedance: > 10 kohm
- Input impedance, high level: 330 ohm
- Filters channel A & B: HP: 50-140 Hz, LP: 250/2,5 kHz - 700/7 kHz (x1, x10 switch)
- Phase control for subwoofers: 0-180 degrees variable
- Filters channel C & D: HP: 50/250/2,5 kHz - 140/700/7 kHz (x1, x5, x50 switch
- Filters channel E: LP 40 - 125 Hz, Subsonic 25 Hz
- Grand bass filter: 0 - +18 dB @40 Hz
- Low level output: No
- Remote bass level control: Yes
- Remote phase shift control: Yes
- High level input with auto start: Yes
- Power consumption (idle): 1,2 A
- Power consumption (max): 90 A
- Rec. power cable: Minimum 4AWG / 21 mm2
- Dimension (W x D x H): 479 x 245 x 59 mm (18,85 x 9,65 x 2,33 inch)
- Weight: 5,5 kg ( 12,1 lb)
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