Marantz sr-18 u - Technical Specifications; FM TUNER SECTION; AM TUNER SECTION; AUDIO SECTION

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1. TECHNICAL SPECIFICATIONS
FM TUNER SECTION
Frequency Range .......................................... 87.5 − 108.0 MHz
Usable Sensitivity ....................................... IHF 1.8 µV/16.4 dBf
Signal to Noise Ratio ..............................Mono/Stereo 76/72 dB
Distortion .............................................. Mono/Stereo 0.2 / 0.3 %
Stereo Separation................................................... 1 kHz 45 dB
Alternate Channel Selectivity ........ ±400 kHz 60 dB (U version)
±300 kHz 60 dB (K, KS version)
Image Rejection .................................................... 98 MHz 70dB
Tuner Output Level ...... 1 kHz, 75 kHz Dev 800 mV (U version)
1 kHz, 40 kHz Dev 800 mV (K, KS version)
AM TUNER SECTION
Frequency Range ...........................520 − 1710 kHz (U version)
531 − 1602 or 520 − 1710 kHz (K version)
531 − 1602 kHz (KS version)
Signal to Noise Ratio ......................................................... 50 dB
Usable Sensitivity ...................................................Loop 400 µV
Distortion .............................................. 400 Hz, 30% Mod. 0.5%
Selectivity ......................................... ±20 kHz 70 dB (U version)
±18 kHz 70 dB (K, KS version)
AUDIO SECTION
Rated Power
Stereo Mode FRONT (20 Hz − 20 kHz) ..... 8 ohms 140W / Ch (2ch driven)
Center (40 Hz − 20 kHz)............................ 8 ohms 140W / Ch
Surround .................................................... 8 ohms 140W / Ch
THD Front (20 Hz − 20 kHz)................................ 8 ohms 0.05%
Input Sensitivity/Impedance
Linear ........................................................... 350mV/47 kohms
Signal to Noise Rate ( IHF A )
Linear .............................................................................. 85 dB
Dolby Surround Adjacent Channels Separation ............... 55 dB
VIDEO
Television Format .......................................... NTSC (U version)
PAL/NTSC (K, KS version)
Input Level/Impedance .................................... 1 Vp-p/75 ohms
Output Level/Impedance ................................. 1 Vp-p/75 ohms
Video Frequency Response ................. 5 Hz to 8 MHz ( − 1 dB)
S/N ..................................................................................... 60 dB
GENERAL
Power Requirement ........................ AC 120V 60 Hz (U version)
AC 220 50/60 Hz (K version)
AC 230V 50 Hz (KS version)
Power Consumption .......................................................... 470W
Dimension ( MAX )
Width ........................................................ 18 inches (458 mm)
Height .................................................... 7-½ inches (190 mm)
Depth................................................... 19-½ inches (496 mm)
Weight ......................................................... 49.7 lds. (22.5 kg)
ACCESSORIES
Remote Control Unit RC-18SR .................................................1
Dolby Digital(AC-3) SECTION
Output Level ( Master Volume is set 0dB )
Front L/R, CENTER, SURROUND L/R
1 KHz, 0 dB FS INPUT ..................................................... 1.1V
SUBWOOFER
40 Hz, 0 dB FS INPUT ..................................................... 3.8V
Frequency Response
Front L/R, CENTER, SURROUND L/R ( LARGE )
20 Hz − 20 KHz................................................................. -1dB
Total Harmonic Distortion
Front L/R, CENTER, SURROUND L/R ( 1 KHz ) ......... 0.01% or less
SUBWOOFER ( 40 Hz) ........................................ 0.07% or less
Signal to Noise Ratio ( IHF-A ).......................................... 96 dB
Channel Separation ( 1 KHz ) ........................................... 70 dB
Specifications subject to change without prior notice.