Aiwa AX-S50 receiver

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

Aiwa AX-S50 receiver

Mini Receiver Features

Adjustable synthesizer sensitivity control

4-digit LED tuning display

Auto search synthesizer tuning

7-point LED peak power meter/tuning signal strength display

FM muting and Loudness control

Click-stop bass/treble tone controls

Connections for Aux, Phono , Tape

Front panel headphone jack

A smart looking receiver of incredibly compact dimensions, the AX-S50 puts out a lively 20 Watts per channel; its main appeal however is in its many sophisticated features, some so advanced they are just beginning to make their appearance in current full-sized receiver models.

For fully electronic one-touch tuning capability, the tuner section incorporates a quartz PLL synthesizer which selects the station either automatically or manually. Up to 10 stations may be programmed into the tuner's "memory" and selected at random, irrespective of band. An A/B switch (A=1-5/B=6-10) serves to reduce the number of switches for a cleaner control arrangement.

As in other Aiwa mini units, capable phono equalizer design promises high signal/noise ratio (80 dB) and ample overload capability (180 Mv at 1 kHz). The RC-R300 wireless remote control system (optional) can also be added to give the AX-S50 even more versatility; wireless remote functions include manual station tuning selection of preset radio channels and listening modes, up/down volume adjustment and operation of the SD-L60 cassette deck.

Specifications

Tuner Section

Frequency Range: 87,5 MHz to 108 MHz

Usable Sensitivity: 11,2 dBf (2uv)

50 dB Quieting Sensitivty

Mono : 4,0 µV (17,2 dBf)

Stereo : 44 µV (38,0 dBf)

Signal-to-Noise Ratio:

Mono : 75 dB (70 dB DIN)

Stereo : 70 dB (66 dB DIN)

Capture Ratio: 1,5 dB

Selectivity: 65 dB (±400 kHz){

Total Harmonic Distortion

Mono : 0,15%

Stereo : 0,3%

Stereo Separation: 40 dB (at 1 kHz)

AM Tuner Section

Frequency Range:

MW : 525 kHz - 1,605 kHz

LW : 150 kHz - 285 kHz

Usable Sensitivity:

MW : 300 µV/m (Bar antenna)

LW : 800 µV/m (Bar antenna)

MW : 30 µV/m (ext. antenna)

LW : 50 µV/m (ext. antenna)

Signal-to-Noise Ratio

MW : 52 dB

LW : 50 dB

Selectivity: 30 dB

Amplifier Section

Power Output: 20 watts per channel, Min. RMS at 8 Ω from 20 - 20,000 Hz, with no more than 0,3% T.H.D.

Total Harmonic Distortion : 0,3% (at 8 Ω ), 1% (DIN)

Frequency Response: 40 Hz to 16,000 Hz ±1,5 dB

Power Bandwidth: 10 Hz - 40 kHz

Damping Factor: 30

Separation: 35 dB (1 kHz)

Crosstalk: 60 db

Input Sensitivity/Impedance

Phono : 2,5 mV/47 k Ω

Aux, Tape,: 150 mV/47 k Ω

Signal-to-Noise Ratio

Phono : 80 dB

Aux, Tape : 90 dB

Phono RIAA Curve: 30 Hz -15 kHz ±0,5 dB

Phono Overload: 180 mV (1 kHz)

Semiconductors: 16 ICs; 4 FETs; 56 Transistors; 69 Diodes; 18 LEDs

Power Requirements: AC 220 - 240 V, 50/60 Hz

Power Consumption: 150 W or 140 W

Dimensions (W x H x D): 250 x 71 x 316 mm (9-7/8" x 2-13/16" x 12-1/2")

Weight: 3,6 kg (7,9 lbs)

Pagine

What is stereo?