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 STR-6045

 FM Stereo and FM-AM Receiver
Knowing that a low cost stereo receiver need not and should not sacrifice flexibilty or performance, Sony engineers have created a receiver that is pleasing to the discriminating ear and the budget pocket-book. The 6045's power handling capacity may seam modest compared with Sony's higher  priced receivers, but its 75 watts are more than enough to drive two pairs of loudspeakers to conceret half sonic levels. The FM and AM tuber sections of this remarkable receiver employ the same innovative solid state techniques that characterize  all Sony components. Offering more dollar-for-dollar value than do other receivers priced considerably higher, the Sony STR-6045 is the ideal focal point around which to build a moderate cost music system.
Tuning Range:
FM :  88 - 108 MHz
AM :  530 - 1605 kHz
Power Output:
18 watts per channel into 8 (stereo)
2 x 25 watts  into 8 Ω , 1 kHz RMS
Frequency response:  10 Hz to 50 kHz
Total Harmonic Distortion:  0,5%
IM Distortion:  0,5 at rated power
Input Sensitivity:
Phono :  2.5 mV (MM),
Line :  250 mV (DIN)
Signal-to-Noise Ratio:  
Phono :  60 dB (MM),
DIN : 80 dB
Line :  64 dB
Output:  250 mV (line)
Damping Factor:  25
Speaker Load Impedance:  4 to 16
Semiconductors: 1 x FET, 43 x Transistors, 32 x Diodes
Dimensions (W x Hx D):  400 x 145 x 310 mm
Weight:  8.3kg

Year: 1971

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