26
Krell Full Power Balanced X Series Power Amplifiers
Specifications for Full Power Balanced
X-Series Monaural Amplifiers
FPB 350Mc
FPB 450Mc
FPB 750Mc
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
114 dB
118 dB
121 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
2.53 Vrms
2.87 Vrms
3.71 Vrms
OUTPUT POWER
8 Ohms
350 W
8 Ohms
450 W
8 Ohms
750 W
EACH CHANNEL DRIVEN
4 Ohms
700 W
4 Ohms
900 W
4 Ohms 1,500 W
2 Ohms 1,400 W
2 Ohms 1,800 W
2 Ohms 3,000 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
30 W
Stand-by
37.5 W
Stand-by
42.5 W
Idle
150 W
Idle
175 W
Idle
220 W
Max.
1,700 W
Max.
3,000 W
Max.
6,000 W
INPUTS
1 balanced via
1 balanced via
1 balanced via
XLR connectors
XLR connectors
XLR connectors
1 Krell CAST via 4-pin
1 Krell CAST via 4-pin
1 Krell CAST via 4 pin
bayonet connectors
bayonet connectors
bayonet connectors
OUTPUTS
2 pair (one upper,
2 pair (one upper,
2 pair (one upper,
SPEAKER BINDING POSTS
one lower)
one lower)
one lower)
REMOTE CONTROL
Optional
Optional
Optional
DIMENSIONS
INCHES
12.5w x 10.5h x 16.0d
12.5w x 10.5h x 19.0d
12.5w x 10.5h x 25.0d
CENTIMETERS
31.8w x 26.7h x 40.6d
31.8w x 26.7h x 48.3d
31.8w x 26.7h x 67.3d
WEIGHT
SHIPPING
79.0 lb., 35.9 kg
110.0 lb., 50.0 kg
155.0 lb., 70.5 kg
UNIT ONLY
68.0 lb., 31.0 kg
98.0 lb., 44.5 kg
140.0 lb., 63.6 kg
All operational features, functions, specifications, and policies are subject to change without notification.
