AM/FM Stereo
Receiver RX-404 Features:
Direct-coupled
Darlington OCL complementary power amplifier
Plus-minus
split power supply
Class A
operation direct coupled NF tone control amplifier
FM MOS FET
front-end for high sensitivity.
FM PLL MPX
section
FM LF
section with IC, ceramic filters and quadrature detector
Two
direct-reading peak power meters
Dual-function
tuning meter
Tape monitor
FM muting
switch
Stepped
volume and bass / treble controls
Loudness
switch and subsonic filter (12 dB/oct)
Specifications:
Power Amp
Section
Power
Output:
30
watts per channel min. RMS both channels driven into 8 Ω from 20-20,000 Hz with no more than 0,06% THD
34
watts per channel min. RMS both channels driven into 4 Ω from 20-20,000 Hz with no more than 0,06% THD
Intermodulation
Distortion (50 Hz : 7,000 Hz = 4:1):
No more than
0,1% (Continuous rated power )
No
more than 0,05% (15 watts per channel power output, 8 Ω)
No
more than 0,05% (1 watt per channel power output, 8 Ω)
Total
Harmonic Distortion:
No more than
0,1% (Continuous rated power )
No
more than 0,05% (15 watts per channel power output, 8 Ω)
No
more than 0,05% (1 watt per channel power output, 8 Ω)
Damping
Factor: 40 (20-20,000 Hz 8 Ω)
Pre Amp
Section
Input
Sensitivity/Impedance:
Phono
: 2,5 mV/47 k Ω
Aux,
Tape In : 150 mV/33 k Ω
Overload
Level (max. Input level, THD 0,5%, 1 kHz):
Phono : 160 mV
Aux : not less than 5 V
Output
Level/Impedance:
Tape
Out : 300 mv/600 Ω
Tape
Out (DIN) : 100 mv/90 k Ω
Frequency
Response:
Phono : 30 Hz - 15,000 Hz ±0,4 dB (RIAA)
Aux, Tape In
: 8 Hz - 45,000 Hz +0,3 -2,0 dB
Hum and
Noise (IHF, A-network rated power):
Phono : 75 dB
Aux, Tape In
: 85 dB
Tone Cotrol
Bass : ±10 dB at 50 Hz
Treble
: ±10 dB at 20 kHz
Low Filter
(Subssonic): 16 Hz (12 dB/oct)
Loudness
Contour: +10 dB at 100 Hz/ +4 dB at 10
kHz
FM Tuner
Section
Usable
Sensitivity:
Mono
: 10,8 dBf (1,9 µV/300 Ω)
Stereo
: 18,8 dBf (4,8 µV)
50db
Quieting Sensitivity:
Mono : 16,8 dBf (3,8 µV)
Stereo
: 38,2 dBf (44 µV)
Signal-to-Noise
Ratio:
Mono : 70 dB (at 65 dBf)
Stereo
: 65 dB
Distortion
(65 dBf):
At 100 Hz
[mono/stsreo]; 0,15%/0,25%
At 1 kHz
[mono/stsreo] : 0,15%/0,25%
At 6 kHz
[mono/stereo] : 0,25%/0,35%
Frequency
Response: 30 Hz to 15,000 Hz +1 -3 dB
Capture
Ratio: 1,0 dB
Alternate
Channel Selectivity: 60 dB
Spuriouss
Response Ratio: 70 dB
Image
Response Ratio: 50 dB
IF Resposne
Ratio: 65 dB
AM
Supression Ratio: 55 dB
Stereo
Separation: 40 dB (at 1 kHz); 30 dB
(from 50-15,000 Hz)
Subcareier
Product Ratio: 55 dB
SCA
Rejection Ratio: 60 dB
Antenna
Input: 300 Ω (balanced); 75 Ω
(unbalanced)
AM Tuner Section
Sensitivity:
AM : 250 µV/m
LV : 550 µV/m
Selectivity: 23 dB
Signal-to-Noise
Ratio: 45 dB
Image
Response Ratio: 38 dB
IF Response
Ratio: 40 dB
Antenna: Built-in ferrite loopstic antenna
Miscellaneous:
Power
Supply: 110-120 V, 220-130 V AC, 50/60
Hz
Power
Consumption: 220 watts (max)
Dimensions
(W x H x D): 430 x 145 x 316 mm
(16-15/16" x 5-11/16" x 12-7/16")
Weight: 8,0 kg (17 lbs)
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