SONY , Sound() Sonic() - SONY. SONY 1945 ., Tokyo Tsushin Kenkyujo. , . 1946 . . , . . : , , , , . - .

. -, , "" . , .

1950 . C-type A-type. RCA , . 1954 . 214 123. 1957 ., " ", . - TV-301, 23 , 50 . 15 1968 . Trinitron.

Trinitron, SONY . , Ampex. SONY . 1970 . SONY, Matsushita, JVC . SONY, 1971 . U-matic VP-1100 VO-1700. SONY JVC : Video-8 VHS Compact. Video-8 (Hi8) (S-VHS-C).

1997 . SONY F.D.Trinitron (Flat Display - ). , , FD Trinitron WEGA (KV-29FX11). F.D.Trinitron : , , .

1998 . SONY AIWA, FUJITSU, KEHWOOD, PIONEER, SANYO SHARP MEMORY STICK, . 4,8,16,32,64 128 .

    



Sony STR-414 L
   


: 1978


SPECIFICATIONS
FM tuner section
Tuning range 87.5-108 MHz
Antenna terminals 300 ohm balanced
75 ohm unbalanced Intermediate frequency
10.7 MHz Sensitivity at 50 dB quieting
3.5mV (MONO) 45 mV (STEREO)
Sensitivity at 46 dB quieting (at 40 kHz deviation)
4.0mV (MONO)
50mV (STEREO) Usable sensitivity IHF1.8mV
1.6 mV, S/N = 26dB (40 kHz deviation)
Signal-to-noise ratio 75 dB (MONO)
70dB (STEREO) Harmonic distortion at 100 Hz
0.15% (MONO) 0.3% (STEREO) at 1 kHz 0.15% (MONO) 0.3% (STEREO) at 10 kHz 0.2% (MONO) 0.5% (STEREO) IM distortion 0.15% (MONO)
0.3% (STEREO) Separation 35 dB at 100 Hz
45 dB at 1kHz 35 dB at 10 kHz Frequency response 40 Hz-12.5kHz +0.5-1 dB
30Hz-15kHz+0.5 -2dB Selectivity 60 dB (400 kHz)
40dB (300kHz, S/N = 26dB, 40kHz
deviation) Capture ratio 1.0 dB
AM suppression ratio 54 dB Image response ratio 45 dB IF response ratio 90 dB
Spurious response ratio
75dB RF intermodulation 60 dB Muting threshold Approx. 5mV

SW/MW/LW tuner section
SW MW LW
Tuning range 5.8 MHz- 530 kHz- 150 kHz-
15.8 MHz 1,605 kHz 350kHz
Antenna External antenna terminal, Built-in ferrite
Attached antenna wire ! bar antenna,
External antenna terminal
Intermediate
frequency 468 kHz
Usable 30/
μV, 100μV, 500μV/m, built-
external external in antenna
sensitivity antenna antenna (250 kHz)
(10MHz) (1,000kHz) 100mV, external
antenna (250 kHz)
Signal-to- 52dB(5mV) 52dB(5mV) 52dB(50mV/m)
| noise ratio
Harmonic 0.3% (5 mV, 0.3% (5 mV, 0.3%(50mV/m,
distortion 400Hz) 400Hz) 400Hz)Selectivity 28 dB (9 kHz) 28 dB (9 kHz) 28 dB (9 kHz)
30 dB (10 kHz) 30 dB (10 kHz) 30 dB (10 kHz)
Amplifier section
Continuous RMS power output (less than 0.3% THD, both channels driven simultaneously)
at 20Hz-20kHz 40 + 40 watts (8 ohms)
at 1 kHz 45 + 45 watts (8 ohms)
according to DIN 45500 40 + 40 wast (8 ohms) 40 + 40 wast (4 ohms) Dynamic power output (IHF constant power supply method)
130 watts (8 ohms)
Power bandwidth (IHF)
10Hz-40kHz Damping factor 30 at 1 kHz, 8 ohms
Harmonic distortion Less than 0.3% at rated output, 8 ohms
Less than 0.7% at rated output, 4 ohms
Less than 0.1% at 1 W output Intermodulation (IM) distortion (60 Hz : 7kHz = 4 :1)
Less than 0.3% at rated output
Less than 0.1% at 1 W output Residual noise Less than 0.08 mW (at 8 ohms)
Inputs
Sensitivity Impedance S/N Weighting network
PHONO 2.5 mV 50 k ohms !80dB A
TAPE 1
150 mV 100 k ohms 95 dB A
Measured with rated output power into 8-ohm loads (both channels driven simultaneously) at 1kHz
Outputs (with rated input)
Voltage Impedance
REC OUT 1
150 mV 10 k ohms
REC OUT 2
HEADPHONES Accepts all low or high impedance head-
phones.
SPEAKER 4-16 ohm speakers are suitable.
Frequency response PHONO
RIAA equalization curve ±0.5dB TAPE 10Hz-50kHz +1-3dB
Tone controls BASS ±9dB at 100 Hz
TREBLE ±7dB at 10kHz
High filter 6dB/oct. above 7.5 kHz
Loudness control (att. 30dB)
+ 8dB at 100 Hz + 3dB at 10kHz
General
System Superheterodyne FM/AM tuner
Direct coupled complementary symmetry power amplifier circuit (SEPP OTL)
Power requirements 220V ac (120 or 240V ac, adjustable by authorized Sony personnel), 50 Hz
Power consumption 250 W
Dimensions Approx. 410 x145 x375 mm (w/h/d)
(16x5 3/4x14 3/4 inches) including projecting parts and controls
Weight Approx. 9.1 kg (20 lb 1 oz) net
Approx. 11.2 kg (24 lb 12 oz) in shipping car ton
Accessories supplied FM ribbon antenna
Attached antenna wire
Design and specifications subject to change without notice.


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