Compare Sonus faber Gravis III vs Sonus faber Gravis I vs Amphion FlexBase25
Variants
Walnut
Piano Black
White Matte
Amp
Connectivity
Ports
2x LINE Left and Right / LFE RCA + 1x LINE XLR HIGH LEVEL Neutrik 4-pole Speakon
LFE (Low Frequency Effect) mono RCA + LINE mono RCA + HIGH LEVEL Neutrik 4-pole Speakon
Construction
Colors
Walnut, Black, Wenge
Wood, White, Black, Wenge
Drivers | Subwoofer
1 x 250 mm (10”) long throw, sandwich honeycomb cone, wide rubber surround LF unit
1 x 210 mm (8”) long throw, treated paper cone, wide rubber surround LF unit
10" (25cm) aluminium
Form Factor
Subwoofer
Subwoofer
Loudspeaker Type
Sealed box loading, single driver, active subwoofer
Sealed box loading, down firing active subwoofer
1-way closed, stereo
Dimensions
Size | Depth
19.5 in (495 mm)
12.4 in (316 mm)
342 mm
Size | Height
16.3 in (415 mm)
13.1 in (334 mm)
840 mm
Size | Width
15.7 in (400 mm)
11.2 in (286 mm)
321 mm
Weight
58.8 lbs (26.7 kg)
32 lbs (14.5 kg)
45 kg (99 lbs)
Function
Amplifier
High performance Class AB
High linearity Class AB
Crossover
Continuously adjustable 40 to 150 Hz
Continuously adjustable 30 to 120 Hz
35 - 260 Hz Variable
Performance
Frequency Response
- 6dB, from 25 Hz to Fc (user adjustable)
- 6dB, from 30 Hz to Fc (user adjustable)
20-260Hz (low pass) / 35-260Hz (high pass)
Impedance
25k ohms
Output Impedance
100 ohms
Power Consumption
700 W (rated), 2W (standby)
200 W (rated), 0.5 W (stand-by)
Power Output
600 W (nominal), 900 W (peak)
150 W (nominal), 250 W (peak)
600W RMS into 4 ohms @ 1% THD
Production
Debut
2020
Made In
Italy (handmade)
Italy (handmade)
Finland (handmade)
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