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LX Power Amplifiers
Audio Inputs
LX-77 RCA, 7 XLR
(including
1/4-inch
Tip/Ring/Sleeve)
LX-55 RCA, 5 XLR
(including 1/4-inch
Tip/Ring/Sleeve)
Audio Outputs
LX-77 pairs of heavy-
duty binding posts
LX-55 pairs of heavy-
duty binding posts
Performance
Amplifier performance specifica-
tions are identical in INDIVIDUAL
and (BRIDGED) Modes, with the
exception of Output Power and
Minimum Speaker Impedance.
(BRIDGED) Mode includes channels
1 & 2 and 3 & 4 only.
Output Power200W at 8-¦,
all channels driven
20Hz to 20kHz
400W at 8-¦,
{BRIDGED)
Minimum2-¦, INDIVIDUAL
Mode
Speaker4-¦, (BRIDGED)
Mode
Impedance
Performance(continued)
Frequency20Hz to 20kHz
Β±0.1dB
Response10Hz to 100kHz
+0.5/-3dB
THDBelow 0.02%,
200W at 8-¦,
all channels driven
20Hz to 20kHz
Signal-to-111dB
Noise Ratio22kHz bandwidth,
balanced inputs
109dB
22kHz bandwidth,
unbalanced inputs
(Ref 200W at 8-¦)
IM DistortionBelow 0.03% at
200W
Crosstalk-80dB at 1kHz,
minimum
Damping Factor250 at 20Hz, mini-
mum
Input 2V in for 100W out
at 8-¦,
Sensitivitybalanced inputs
1V in for 100W out
at 8-¦,
unbalanced inputs
Input20k-¦, balanced
Impedance10k-¦, unbalanced
Gain23dB, balanced
29dB, unbalanced
Other
Trigger Input12V DC +/- 10%
Power120V 60Hz 20A
(Domestic)
Requirements230V 50Hz 12.5A
(Export)
Dimensions
Height 5.65 inches
(144mm)
Width 17.3 inches
(440mm)
Depth 19 inches
(483mm)
Weight
LX-7 56lbs (25.4kg)
LX-5 52lbs (23.6kg)
Rack MountingOptional brackets
are available for
mounting either
amplifier in a
standard 19-inch
equipment rack
Specifications are subject to
change without notice
SPECIFICATIONS
