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

Pioneer TX-500

 Pioneer TX-500 Compact Tuner with High Performance Characteristics
Here's the tuner for stereo fan who doesn't want a high-priced set but desires first class AM/FM reception. The TX-500 from Pioneer contains advanced features that put it on a par with much more expensive tuners. It is all solid state, has FM multiplex circuitry and an FET in the front end. There are such useful additions as a stereo noise filter and advanced siliocon transistors throughout. It is designed to fit in ideally with the best stereo system.
FM Front End
By utilizing an FET, the FM front end image rejection rating is far superior to conventional sets. A high sensitivity and better signal to noise ratio are both products of this superior FM section. FM broadca can be delivered with original clarity and a minimum of interference, and with cross modulation eliminated.
Stereo Performance
In the FM multiplex circuit there is an envelope detection type demodulator which provides wide channel separation and virtually guarantees perfect hi-fi stereo. Frequency response is excellen. If noise should arise, due to insufficient antenna input for FM stereo. Pioneer has cleverly included a special noise filter which can eliminate any unwanted multiplex broadcast noises. A mono, stereo and mono/stereo control knob is mounted on the front panel and provides for quick and easy manual selection.
Advanced IF Section
With the low noise silicon transistors and a high quality transformer in the 4-stage IF section, much improved signal to noise ratio and better selectivity are made possible.
AM Tuner
The superheterodyne AM tuner has a receiving band of between %@% - 1605 kHz. This equals the range of any FM station so that everything that is broadcast, you hear. At the rest of the TX-500 is a ferrite bar antenna that is extremely sensitive, to efficiently receive any AM broadcast
Elegant and Functional Design
The TX-500 complements any hig class stereo system. It contains such useful extras as a tape recorder terminal for FM stereo recording; an easily switchable line voltage selector for adjustment to your local voltage, and an output level control. All this comes in a handsome cabinet with brushed chrome facial and expensive Brazilian rosewood end pieces.
Specifications :
FM Section
Circuitry: Front end using FET and 3-gang variable capacitor
Frequency Range: 87 – 108 MHz
Sensitivity: 2,5 uV (IHF)
Image Rejection: 55 dB (at 98 MHz)
Signal-to-Noise Ratiio: 50 dB (IHF rating)
Antenna Inoput: 300 ohm balanced   
Multiplex Section   
Circuitry: Envelope detection type de-modulator, Stereo/Mono common defeatable stereo functioning;
Channel Separation: 35 dB (at 1 kHz)    
Am Section    
Circuitry: Superheterodyne
Frequency Range: 525 – 1605 kHz
IHF Usable Sensitivity: 10 µV  
Image Rejection: 47 dB (at 1000 kHz)
Antenna Input: Built-in ferrite loopstick antenna   
Power Requirements: 110,117, 130, 220, 240 V, 50/60 Hz AC
Power Consumption: 5 watts (Max)
Dimensions (W x H x D): 330 x 128 x 333 mm (13” x 5” x 13-1/8”)
Weight: 5 kg (11 lbs) net

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