Specifications; Audio Section - Hitachi SR-904 Instruction Manual

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SPECIFICATIONS
FM SECTION
Frequency range
Usable sensitivity
Signal-to-noise ratio
Harmonic distortion
100 Hz
1 kHz
6 kHz
Frequency
response
Image response ratio
Spurious response ratio
IF response ratio
88—108 MHz
1.2 uV (DIN), 1.6 uV (IHF)
Mono: 74 dB
Stereo: 68 dB
Mono: 0.2%
Stereo: 0.3%
Mono: 0.15%Stereo: 0.25%
Mono: 0.25%Stereo: 0.3%
30 Hz—15
kHz (+ 1 dB)
85 dB
100 dB
100 dB
Alternate channel selectivity 80 dB
Capture ratio
AM suppression
Stereo separation
Sub-carrier suppression
SCA rejection
Muting threshold
Antenna input
AM SECTION
Frequency range
Sensitivity
Image rejection
IF rejection
Selectivity (IHF)
Signal-to-noise ratio
Antenna
AUDIO SECTION
Output
RMS power
(Both channels driven)
Music power IHF)
Power bandwidth
Frequency characteristics
Harmonic distortion
(at rated output)
{at 1/2 rated output)
Intermodulation distortion
(at rated output)
(at 1/2 rated ouput)
Input sensitivity
(at 80 W output, 1 kHz)
PHONO
AUX
TAPE-1
TAPE-2
ADAPTOR
DIN
1dB
55 dB
45 dB (1 kHz)
65 dB
65 dB
14 wV
300 ohms balanced,
75 ohms unbalanced
530—1,605 kHz
300 nV/m (S/N 20 dB),
20 nV (IHF, ext. antenna)
70 dB
|
90 dB
40 dB
50 dB
Ferrite and separate terminal
75 W/ch + 75 W/ch
(8 ohms, 20 Hz—20 kHz,
T.H.D. 0.09%)
95 W/ch + 95 W/ch
(8 ohms, 1 kHz, T.H.D.
0.1%)
100 W/ch + 100 W/ch
(4 ohms, 1 kHz, T.H.D.
0.1%)
150 W/ch + 150 W/ch
(8 ohms)
10 Hz—40 kHz
8 Hz—40 kHz (7° dB)
0.1%
0.03%
0.1%
0.03%
2.5 mV
(47 k-ohms)
200 mV (50 k-ohms)
200 mV (50 k-ohms)
200 mV (50 k-ohms)
200 mV (50 k-ohms)
500 mV
(80 k-ohms)
Max. Input fevel PHONO
Output level
TAPE OUT
DIN OUT
Signal-to-noise ratio
(IHF, input shorted,
A-network, rated power)
PHONO
AUX
TAPE
Damping factor
Equalizer
Bass control
Midrange control
Treble control
(Volume control set at
-30 dB position)
Loudness control
High filter
Low filter
Semi-conductors
Tape monitor
Speaker switch
Power meters
Tuning meters
Speaker terminal
FM MUTING/AUTO
LOCK
Power supply
Power consumption
Dimensions
Weight
220 mV
(T.H.D. 0.1% at
1 kHz)
200 mV
(PHONO,
AUX
at
rated input)
200 mV (FM 400 Hz, 30%
dev. input: 1 mV)
150 mV (AM 400 Hz, 30%
mod. input: 5 mV/m)
50 mV (PHONO at rated
input)
75dB
87 dB
87 dB
45 (1 kHz, 8 ohms)
RIAA
+0.5 dB
£10 dB (100 Hz)
+10 dB (10 kHz)
+9 dB (100 Hz),
+4 dB (10 kHz)
-8 dB at 10 kHz
-8 dB at 50 Hz
4 ICs, 1 FET, 69 transistors,
95 diodes and 1 thyristor
1,2
A, B, A+B
2
2 (Signal, Tuning)
One-touch terminal
Provided
~220/240 V 50/60 Hz
615 W (4 ohms), 430 W
(8 ohms)
490 (W) x 144 (H) x
400 (D} mm
13.5 kg (29.8 Ibs.)
Specifications and designs may be changed without notice
for improvement.

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