Specifications – Sony HT-K250 User Manual
Page 31
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model name1[HT-K250]
[4-247-255-11(1)]
The remote does not function.
• Point the remote at the remote sensor
on the
control center.
• Remove any obstacles in the path between the
remote and the control center.
• Replace both batteries in the remote with new
ones, if they are weak.
• Make sure you select the correct function on the
remote.
When the following message
appears in the display
“UNLOCK”
• You select DVD, AUX or SAT as the function and
no component is connected to the digital input jacks.
• The component is correctly connected, but the
component is turned off or the playback has not
started.
“PROTECT”
• The speaker cords are short-circuited (page 12).
cTurn off the power, then reconnect the speaker
cords correctly.
• The system heats up because the system was used for
a long time with loud volume.
cTurn off the power and leave the system for a
while.
cTurn down the volume.
Reference sections for clearing the
system’s memory
Amplifier/subwoofer section
POWER OUTPUT
Rated Power Output at Stereo Mode
(6 ohms 1 kHz, THD 10%)
50 W + 50 W
(6 ohms 1 kHz, THD 0.7%)
40 W + 40 W
Reference Power Output
(THD 10%)
Front*: 50 W/ch
Center*: 50 W
Surround*: 50 W/ch
(6 ohms)
Subwoofer*: 90 W
(3 ohms)
(THD 0.7%)
Front*: 40 W/ch
Center*: 40 W
Surround*: 40 W/ch
(6 ohms)
Subwoofer*: 70 W
(3 ohms)
* Depending on the sound field settings and the source,
there may be no sound output.
Frequency response
20 Hz – 20 kHz
Inputs (Digital)
AUX (Coaxial)
Impedance: 75 ohms
S/N: 90 dB
(A, 20 kHz LPF)
DVD, SAT (Optical)
S/N: 90 dB
(A, 20 kHz LPF)
Inputs (Analog)
TV, VIDEO
Sensitivity: 700 mV
Impedance: 50 kilohms
S/N: 84 dB
(A, 20 kHz LPF)
Enclosure type
Advanced S.A.W.
magnetically shielded
Speaker unit
16 cm cone type
Rated frequency range
30 Hz – 200 Hz
High frequency cut-off frequency
150 Hz
FM tuner section
Tuning range
87.50 MHz – 108.0 MHz
Antenna terminals
75 ohms, unbalanced
S/N
Mono: 76
dB
Stereo: 70
dB
Sensitivity
Mono:
18.3 dBf, 2.2 µV/75 ohms
Stereo:
38.3 dBf, 22.5 µV/75 ohms
Useable sensitivity
11.2 dBf, 1 µV/75 ohms
To clear
See
All memorized settings
Specifications
continued