Krell Full Power Balanced X Series Power Amplifiers
25
Specifications for Full Power Balanced
X-Series Stereo Amplifiers
FPB 300cx
FPB 400cx
FPB 700cx
FREQUENCY RESPONSE
20 Hz to 20 kHz
20 Hz to 20 kHz
20 Hz to 20 kHz
+0 dB, -0.05 dB
+0 dB, -0.05 dB
+0 dB, -0.05 dB
0.1 Hz to 240 kHz
0.1 Hz to 240 kHz
0.1 Hz to 240 kHz
+0 dB, -3 dB
+0 dB, -3 dB
+0 dB, -3 dB
SIGNAL TO NOISE RATIO
113 dB
117 dB
120 dB
“A” WEIGHTED
GAIN
26.4 dB
26.4 dB
26.4 dB
TOTAL HARMONIC
1 kHz <0.03%
1 kHz <0.03%
1 kHz <0.03%
DISTORTION (THD)
20 kHz <0.16%
20 kHz <0.16%
20 kHz <0.16%
ALL BALANCED, UNWEIGHTED
INPUT IMPEDANCE
100 kOhms
100 kOhms
100 kOhms
INPUT SENSITIVITY
2.34 Vrms
2.71 Vrms
3.58 Vrms
OUTPUT POWER
8 Ohms 300 W
8 Ohms
400 W
8 Ohms
700 W
EACH CHANNEL DRIVEN
4 Ohms 600 W
4 Ohms
800 W
4 Ohms 1,400 W
2 Ohms 1200 W
2 Ohms 1,600 W
2 Ohms 2,800 W
OUTPUT VOLTAGE
Peak to Peak 138 V
Peak to Peak 170 V
Peak to Peak 240 V
RMS
49 V
RMS
60 V
RMS
84 V
POWER CONSUMPTION
Stand-by
60 W
Stand-by
75 W
Stand-by
85 W
Idle
175 W
Idle
350 W
Idle
430 W
Max.
1,700 W
Max.
3,000 W
Max.
6,000 W
INPUTS
1 pair balanced via
1 pair balanced via
1 pair balanced via
XLR connectors
XLR connectors
XLR connectors
1 pair CAST via 4-pin
1 pair CAST via 4-pin
1 pair CAST via 4-pin
bayonet connectors
bayonet connectors
bayonet connectors
OUTPUTS
4 pair (upper left,
4 pair (upper left,
4 pair (upper left
SPEAKER BINDING POSTS
lower left, upper right
lower left, upper right
lower left, upper right
lower right)
lower right)
lower right)
REMOTE CONTROL
Optional
Optional
Optional
DIMENSIONS
INCHES
19.0w x 10.3h x 17.0d
19.0w x 10.3h x 19.7d
19.0w x 10.3hx 25.5
CENTIMETERS
48.3w x 26.2h x 43.2d
48.3w x 26.2h x 50.0d
48.3wx 26.2hx 64.8d
WEIGHT
SHIPPING
107.0 lb., 48.6 kg
127.0 lb., 57.7 kg
200.0 lb., 90.9 kg
UNIT ONLY
90.0 lb., 40.9 kg
110.0 lb., 50.0 kg
180.0 lb., 81.8 kg
All operational features, functions, specifications, and policies are subject to change without notification.
