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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





Panasonic SA-60 receiver

60-watt FM/AM Solid State Stereo Receiver

 

A multitude of accessories can be interconnected with this superb instrument to form a complete home music center. Facilities are provided for a record player, a tape recorder, an quxiliary program source, such as a shortwave tuner, and a set of stereo headphones. Three AC outlets, two of which are controlled by the SA-60 provide the ultimate in ease of wiring.

 

Up to five speakers can be connected to the Panasonic SA-60. a pair of main speakers in the living room, a pair of remote speakers in the family room and a single mono speaker serving either as a center speaker or as a remote speaker to provide magnificent stereo sound throughout the home.

 


Specifications

Amplifier Section

Music Power (IHF):

60 watta at 4 Ω

55 watts at 8 Ω

Power Output RMS (at 1 kHz and rated distortion):  22,5/22,5 watts at 8 Ω

Total Harmonic Distortion (at 1 kHz rated output):  0,8%

Intermodulation Distortion (60 Hz-7 kHz =4:1 SMPTE):  1,0 %

Power Bandwidth:  20 Hz to 50,000 Hz -3 dB

Frequency Response

Phono Low :  30 Hz - 20,000 Hz ±3 dB

Aux :  30 Hz - 60,000 Hz ±3 dB

Power Amp. :  20 Hz to 70,000 Hz -3 dB

Input Sensitivity/Impedance (for rated output)

Phono Low :  3,5 mV/ 50 k Ω

Phono High :  10 mV/60 k Ω 

Aux :  230 mV/35 k Ω 

Tape Monitor :  230 mV/35 k Ω

Hum and Noise:

Volume at Minimum :  77 dB

Phono Low (3 mV reference) :  65 dB

Auxiliary (230 mV reference) :  75 dB

Controls Range:

Bass :  ±10 dB at 50 Hz

Treble :  ±10 at 10 kHz

Damping Factor:  25 at 4 Ω ; 50 at 8 Ω

Recorder Output Level : 230 mV

FM Tuner Section

FM Usable Sensitivity (IHF):  2,2 µV

FM Harmonic Distortion (at 400 Hz, 100% modulation):  0,6%

Signal-to-Noise Ratio :  60 dB

Selectivirty:  45 dB

Alternate Channel :  45 dB

Spurious Response Rejection (at 100 kHz):  75 dB

IF Rejection (at 100 MHz):  90 dB

Image Rejection (at 100 MHz):  80 dB

FMStereo Separation (at 1 kHz):  35 dB

Capture Ratio (IHF):  2,5 dB

AM Tuner Section

AM Sensitivity (IHF):  20 µV

Selectivity (at 1 kHz and ±10 kHz):  25 dB

Image Rejection (at 1 MHz):  70 dB

IF Frequency Rejection (at 1 MHz):  80 dB

Semiconductors:  3 FETs; 48 Transistors; 25 Diodes

Power:  117 V AC; 190 watts

Dimensions (W x H x D):  19-5/8" x 5-1/8" x 14"

Weight:  25 lbs Net

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