Manual
SPECIFICATIONS
Amplifier Section
[SX-303R]
Continuous Average Power Output is 100 watts*
per channel, min., at 8 ohms from 40 Hertz to
20,000 Hertz with no more than 0.9% total harmon-
ic distortion. _*
[SX-253R/SX-203]
Continuous Average Power Output is 70 watts* per
channel, min., at 8 ohms from 40 Hertz to 20,000
Hertz with no more than 0.9% total harmonic distor-
tion.
Continuous Power Output (both channel driven)**
40 Hz _ 20 kHz, T.H.D. 0.9%, 8
{SX-303R] ............................................. 1OOW + IOOW
[SX-253R/SX-203] .................................... 70W + 70W
[SX-253R] Australian model ............................... 50W + 50W
Dynamic power output (with EIA test signal)
2/4/8 Q
[SX-303R] .............................................. 260W/220W/150W
[SX-253R/SX-203] ................................... 180W/150W/100W
4/8 Q
[SX-253R] Australian model ................................ 105W/80W
Input (Sensitivity/Impedance)
PHONO ................................................... 2.8 mV/47 k_
CD, LD, TAPE 1/VCR, TAPE 2 .................. 200 mV/22 k_
Phono Overload Level (T.H.D. 0.1%, 1 kHz)
PHONO ............................................................ 100 mV
Output Level
TAPE REC ............................................. 200 mV/2.2 kQ
Frequency Response
PHONO (RIAAEqualization) ... 20Hzto 20,000Hz +0.5dB
CD, LD, TAPE 1/VCR, TAPE 2
............................................. 10 Hz to 70,000 Hz -+°:oSdB
Signal-to-Noise Ratio (IHF, short circuited, A network)
PHONO ............................................................... 72 dB
CD, LD, TAPE 1/VCR, TAPE 2 ................................. 96 dB
BASS ......................................................... 100 Hz, +8 dB
TREBLE ...................................................... 10 kHz, +8 dB
FM Tuner Section
Frequency range .............................. 87.5 MHz to 108 MHz
Usable Sensitivity ..................... 11.2 dBf, IHF (1.0 #V/75 _)
50 dB Quieting Sensitivity
MONO ....................................... 16.8 dBf (1.6 #V/75 _)
STEREO .................................... 38.6 dBf (19.5 #V/75 Q)
Signal-to-Noise Ratio
MONO ................................................ 73 dB (at 85 dBf)
STEREO ................................................ 70 dB (at 85 dBf)
Distortion
STEREO ...................................................... 0.5% (1 kHz)
Alternate Channel Selectivity ..................... 60 dB (400 kHz)
Stereo Separation .......................................... 40 dB (1 kHz)
Frequency Response ..................... 30 Hz to 15 kHz (-+1 dB)
Antenna Input .......................................... 75 9 unbalanced
AM Tuner Section
Frequency range
When 10 kHz step ....................... 530 kHz to 1,600 kHz
When 9 Hzkstep ........................ 531 kHzto 1,602 kHz
Sensitivity
IHF, Loop antenna .......................................... 350 FV/m
Selectivity ............................................................... 25 dB
Signal-to-Noise Ratio ................................................ 50 dB
Antenna ................................................ AM Loop Antenna
Miscellaneous
Power Requirements
U.S. and Canadian models ............... AC 120 Volts, 60 Hz
Multi-voltage model ................ AC 110V/120V - 127 V
/220 V/240 V (switchable), 50/60 Hz
Australian model ................................ AC 240Volts, 50/60Hz
Power Consumption
[SX-303R]
U.S. and Canadian models ......... 200 W (UL), 320 VA (CSA)
Multi-voltage model .............................................. 570 W
[SX-253R/SX-203]
U.S. and Canadian models ......... 150 W (UL), 240 VA (CSA)
Multi-voltage model .............................................. 390 W
[SX-253R] Australian model ....................................... 360 W
AC Outlet .............................. SWITCHED x 1 : 100W MAX
[SX-303R: U.S. and Canadian models]
UNSWITCHED x 1 : 100W MAX
Dimensions ..................... 420 (W) X 140 (H) X 298 (D) mm
16-9/16(W) X 5-8/16 (H) X 11-12/16(D)in
Weight (without package)
SX-303R ............................................. 7.0 kg (15 Ib 7 oz)
SX-253R ............................................. 5.6 kg (12 Ib 6 oz)
SX-203 ............................................. 5.4 kg (11 Ib 15 oz)
Furnished Parts
FM Antenna .................................................................. 1
AM Loop Antenna ............................................................ 1
Operating Instructions ...................................................... 1
Power cord ..................................................................... 1
[SX-303R/SX-253R]
Remote control unit ................................................... 1
Dry cell batteries (size _AA" (R6P)) ........................... 2
* Measured pursuant to the Federal Trade Commission's Trade
Regulation rule on Power Output Claims for Amplifier.
** Measured By Audio Spectrum Analyzer.
NOTE:
Specifications and design subject to possible modification
without notice due to improvements.
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