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Full Power Balanced 300cx, 400cx, 700cx 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 Peak138 V Peak to Peak 170 V Peak to Peak240 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 25.5d
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.
22 Krell Full Power Balanced X Series Power Amplifiers