Rotel RX-203A

 AM/FM Stereo Receiver RX-203A Features:

Darlingto direct-coupled OCL complementary power amplifier

Plus-minus split power supply

Direct coupled NF phono equalizer and tone control amplifier

FM IF section with IC ceramic filters

All necessary functions and connection facilities

Extra wide linear FM dial scale Signal strength tuning meter

LED stereo indicator

Facility for 2 pairs of speaker systems

Specifications:

Power Amp Section

Continuous Power Output: 

20 watts per channel min. RMS both channels driven into 8 Ω (from 20-20,000 Hz with no more than 0,5% THD)

24 watts per channel min. RMS both channels driven into 4 Ω (from 20-20,000 Hz with no more than 0,5% THD)

Total Harmonic Distortion (20 - 20,000 Hz) : 

no more han 0,5% (continuous rated power output),

no more than 0,1% 91 watt per channel power output, 8 Ω )

Intermodulation Distortion (50 Hz : 7,000 Hz = 4 : ):

no more han 0,51% (continuous rated power output),

no more than 0,1% 91 watt per channel power output, 8 Ω )

Damping Factor:  40 (20-20,000 Hz , 8 Ω) ±10%

Output:

Speaker :  4 ~ 16 Ω (A, B); 8 ~ 16 Ω (A+B)

Headphone :  4 ~ 16 Ω

Pre Amp Section

Input Sensitivity/Impedance: 

Phono [Mag] :  2,5 mV/45 k Ω, (200 pF)

Phono [Ceramic] :  120 mV/240 k Ω

Aux, Tape In :  150 mV/35 k Ω

Aux, Tape In :  150 mV/33 k Ω

Overload Level (max. Input level, THD 0,5%, 1 kHz):

Phono :  120 mV

Aux  :  not less than 5 V

Output Level/Impedance (5 mV Phono Input):

Tape Out :  300 mV/260 Ω

Tape Out DIN :  100 mV /90 k Ω

Frequency Response: 

Phono :  30 - 15,00z Hz ±1,0 dB (RIAA Equalization)

Aux, Tape In :  5 - 70,000 Hz,  +0 -3 dB

Tone Control:

Bass : ±10 dB at 100 Hz

Treble :  ±10 dB at 10 kHz

Loudness Contour:  +7 dB at 100 Hz ; +4 dB at 10 kHz 

Hum and Noise (IHF, short circuited A network, rated power): 

Phono [Mag]:  75 dB

Aux, Tape In :  85 dB

FM Tuner Section

Usable Sensitivity:

Mono :  11,2 dBf (2,0 µV /300 Ω antenna)

Stereo :  39,0  dBf (48 µV/300 Ω antenna)

Usable Sensitivity (IHF '58):  2,0 µV

50 dB Quieting Sensitivity:

Mono :  16,0 dBf (3,5 µV/300 Ω antenna)

Stereo : 39,0 dBf (48 µV/300 Ω antenna)

Signal-to-Noise Ratio (at 65 dBf): 

Mono :  75 dB

Stereo :  65 db

Distortion (at 65 dBf): 

At 100 Hz [mono/stsreo]:  0,2%/0,3%

At 1 kHz [mono/stereo]:  0,2%/0,3%

At 6 kHz [mono/stereo]:  0,3%/0,4%

Frequency Response:  30 Hz to 15,000 Hz +0,2 dB -1,0 dB

Capture Ratio:  4,0 dB

Alternate Channel Selectivity:  50 dB

Spurious Response Ratio:  75 dB

Image Response Ratio:  50 dB

IF Response Ratio:  75 db

AM Suppression Ratio:  50 db

Stereo Separation:  40 dB (at 1 kHz)

Subcarrier Product Ratio:  45 dB

SCA Rejection Ratio:  60 dB

Antenna Input:  300 Ω (balanced; 75 Ω (unbalanced)

AM Section

Sensitivity: 

250 µV/m (IHF, ferrite antenna)

12,5 µV *IHF, ext. antenna)

Selectivity:  25 dB

Signal-to-Noise Ratio:  50 dB

Image Response Ratio:  45 dB

IF Response Ratio:  50 dB

Antenna:  Built-in ferrite loopstick antenna (inside the chassis)

Miscellaneous:

Power Supply:  110-120 V, 220-130 V AC, 50/60 Hz

Power Consumption:  16 watts

Dimensions (W x H x D):  410 x 130 x 280 mm (16-6/32" x 6-1/16" x 11")

Weight:  7,0 kg (15,4 lbs)