AMPLIFIER SECTION
CONNECTORS
SYSTEM SPECIFICATIONS
F One
Free field frequency response (± 3 dB) Main 35 Hz...85 Hz
LFE 35 Hz...120 Hz
Maximum short term sine wave SPL output
averaged from 40 to 85 Hz, measured in half
space at 1 meter
98 dB
Self generated noise level in half space at 1 m
on axis (A-weighted)
≤ 15 dB SPL
Driver, magnetically shielded 165 mm (6
1
/
2
")
Weight 6.3 kg (13.9 lb)
Dimensions
Height
Diameter
251 mm (9
7
/
8
”)
305 mm (12”)
F One
Amplifier short term output power
(Long term output power is limited by driver
unit protection circuitry)
40 W
Amplifier system THD at nominal output ≤ 0.05 %
Mains voltage 100, 120 or 230 V
Power consumption (average)
Stand by
Idle
Full output
<0.5 W
7 W
70 W
F One
RCA input connectors
RCA output connectors
6 (5 + LFE)
5
Stereo IN 3.5 mm Jack female connector 1
Input impedance 10 kOhm balanced
Main channel OUT gain referred to IN 0 dB
CROSSOVER SECTION
F One
Subsonic filter (18 dB/octave) below 35 Hz
Crossover frequency
(subwoofer/main channels)
85 Hz
LFE channel cutoff frequency 120 Hz
Midband rejection >400 Hz >50 dB
Input level for 90 dB SPL output at 1 m -9 dBu at level control max
Sensitivity adjustment range 18 dB
Bass Roll-Off control operating range
in 2 dB steps
From 0 to -6 dB @ 35 Hz
Phase matching control in 90° steps From 0 to -270° @ 85 Hz
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