Specifications - Pioneer SX-50KU Service Manual

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1. SPECIFICATIONS
Power Amplifier Section
Continuous
Average
Power
Output
is 50
watts*
per channel, min., at 8 ohms from
20 Hertz to 20,000
Hertz
with no more
than 0.007%
total harmonic distortion**
intermodulation
Distortion
(50 Hertz : 7,000 Hertz = 4:1,
8 ohms, from POWER
IN)
continuous
rated power output:
No more than 0.007%
Pre Amplifier Section
Input (Sensitivity/Impedance)
PHONO
MM
.............. 2.5mV/50 kilohms
CD/AUX, VIDEO, TAPE PLAY...
150mV/50 kilohms
Phono Overload Level(T.H.D. 0.1%, 1,000 Hertz)..REC OUT
PHONO
MM
..................00.
130mV
Output (Level/Impedance)
TAPE REC 1,2, ADAPTOR OUT. . 150mV/2.2 kilohms
Frequency Response
PHONO
(RIAA Equalization)
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CD/AUX, VIDEO, TAPE PLAY
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5Hz to 100,000 Hertz*9 dB
Tone Control
Loudness Contour (Volume control set at —40dB position)
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Hum and Noise (IHF, short-circuited,
A network)
PHONO
MM
.............
0000.0 0c ae 80dB
FM Tuner Section
Usable Sensitivity
. .Mono;10.8dBf,
IHF (0.95uV, 75 ohms)
50dB Quieting Sensitivity
Mono; 17.3dBf, IHF (2uV, 75 ohms)
Stereo; 37.5dBf, IHF (20uV, 75 ohms)
Signal-to-Noise Ratio. ........
Mono; 79dB (at 60d Bf)
Stereo; 75dB (at 80d Bf)
Distortion
MONO
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TRAE
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3s 7 a
0.25%
STEREO
100Hz
....................,
0.2%
9 a F Ae re
0.15%
Fe
ea
0.4%
Capture Ratio...
0...
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1.0dB
Alternate Channel Selectivity
.........
400k Hz; 65dB
Stereo Separation
........ Teoeinias
Sedna cesta ae sc 1kHz; 45dB
30Hz to 15kHz; 35dB
Frequency Response ..........
20Hz to 15kHz*0S dB
Spurious Response Ratio ................... 70dB
Image Response Ratio.....................
50dB
Auto Tuning Threshold
....... 29.3dBf (8uV, 75 ohms)
NOTE:
Specifications
and
the design subject
to Possible
modifications
without notice due to improvements.

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