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Sony STR-DB840 User Manual

Sony STR-DB840
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Short-circuiting of the speakers may damage the receiver
To prevent this, make sure to take the following
precautions when connecting the speakers
Make sure the stripped ends of each speaker cord
do not touch another speaker terminal or the
stripped end of another speaker cord.
Examples of poor conditions of the speaker cord
Stripped speaker cord is touching another speaker terminal
Stripped cords are touching each other due to excessive
removal of insulation
After connecting all the components, speakers,
and AC power cord, output a test tone to check
that all the speakers are connected correctly For
details on outputting a test tone, see page 22.
If no sound is heard from a speaker while outputting a
test tone or a test tone is output from a speaker other than
the one whose name is currently displayed on the
receiver, the speaker may be short-circuited If this
happens, check the speaker connection again
To enjoy multi channel surround, connect front, center,
and rear speakers with a nominal impedance of 8 ohms or
higher, and set the speaker IMPEDANCE SELECTOR to
“8R Check the instruction manual supplied with your
[T
speakers if you’re not sure of their impedance (This
information is usually printed on a label on the back of
H
the speaker )
You may connect a pair of speakers with a nominal
s
impedance between 4 and 8 ohms to all of the speaker
terminals However, even if one speaker within this range
t!
P
is connected, set the IMPEDANCE SELECTOR to “4R”
r
3
Note
5
In
Be sure to connect front speakers with a nominal impedance of
8 ohms or
higher
if you want to select both sets (A+B) of front
s
speakers (see page 30) In this case, set the IMPEDANCE
s
SELECTOR to “4Q”
f
5
4
u”
x
4
17

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Sony STR-DB840 Specifications

General IconGeneral
Digital inputs2 Optical, 1 Coaxial
Power output100 watts per channel into 8Ω (stereo)
Frequency response10Hz to 100kHz
Total harmonic distortion0.09%
Input sensitivity2.5mV (MM), 200mV (line)
Speaker load impedance8 ohms
Dimensions430 x 157mm
Tuning rangeFM, MW
Video Connectionscomposite

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