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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.



H.H. Scott '59





Sony TA-1130

 SYSTEM: All silicon-transistor stereo integrated amplifier
MAIN section: Direct output coupling, quasi-complementary
symmetry circuit (SEPP, OTL)
PRE section: Direct coupling equalizer amp, capacitor coupled flat
and tone control amp, combined NF type and CR type tone control.
Integrated pre and power amplifier in studio quality for discerning hi-fi friends. The high standard and the available output power make, this device is also suitable for professional use.

 FEATURES: Differential amplifier with speaker outputs coupled directly-without capacitors provide wide frequency response, lowest distortion, High damping factor, large power output.
Connections for: Two turntables, tape recorder, tuner, three Auxiliary (AUX), two speaker pairs Precise tone control through each stage a 11 deep and height controller. Separate switchable low and height filter. Separable pre and power amplifiers and distribution to the building of multichannel systems with output from the preamp and connection for additional power amplifier.
Additional 5 pin DIN socket on the back.
Headphone jack and auxiliary input 3 on the front panel.
Loudness switch to aurally-volume scheme
Specifications
Main Section:  DC quasi-complementary symmetry
Pre Section:  DC equalizer amp, CC flat and tone control amp. Combined NF and CR type tone control
Power Output
115 watt per channel into 4 ohm (IHF)
100 watt per channel into 8 ohm (IHF)
70 watt per channel into 4 ohm at 1 kHz
Continuous Power RMS: 50 watt per channel (20 - 20,000 Hz , 8 ohm)
Power Bandwidth:  7 Hz - 30 kHz
Total Harmonic Distortion
20 Hz - 20 kHz, Rated output : below 0,1%
20 Hz -20 kHz, 1 watt output : below 0,05%
IM Distortion:  below 0,1%
Main Frequency Response: 10 Hz - 200 kHz ( +0, -2 dB)
Main Signal-to Noise Ratio:  110 dB
Damping Factor:  100 (8 Î©, 1 kHz)
Residual Noise:  0,008µV
Inputs Sensitivity/Impendance
Phono:  1,5 mV/47 kΩ
Aux, Tuner, Tape:  130 mV/100 kΩ
Outputs Sensitivity/Impedance
Rec Output : 150 mV/10 kΩ
DIN : 30 mV/82 kΩ
Pre Out : 1 V/5 kΩ
Pre Frequency Response:  10 Hz - 100 kHz
Pre Signal-to-Noise Ratio: 
Line : 90 dB
Phono : 70 dB
Tone Controls : ±10 dB at 100 Hz
Loudness : ±10 dB at 10 Hz
High Filter : 6 dB below 100 Hz ; 6 dB abve 7 kHz
Low Filter : 8 dB at 50 Hz ; 3 dB at 10 kHz
Semiconductors: 8 FETs; 33 transistors; 36 diodes; 1 rectifier
Power Consumption:  300 W
Dimensions (W x H x D):  400 x 149 x 325 mm
Weight: 13,5 kg
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