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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





JVC RX-8SD receiver

All the technology you need to build your own home A/V system

The RX-8SD comes with all the technology you need to enjoy theater sound from the videos you watch at home. Dolby Pro Logic Surround, high power for three front channels, our exclusive Theater DAP and three video connections ensure your enjoyment. But our new receiver is also designed for high musical purity, featuring high stereo power output, low-impedance (4 Ω ) driving capability. Advanced Super-A and gold-plated terminals. Turn to JVC for entertainment in style.

 

High power for three front channels.

Set for Dolby Pro-Logic mode, the RX-8SD delivers the same high power to the front left, right and center channels. Equal high power for all three front channels ensures that sound and dialog are firmly locked to the screen, to dramatically enhance the sense of being in a theater.

 

Dolby Pro Logic Surround and Theater DAP

Dolby Pro Logic lets you experience the realistic equivalent of theater sound at home when you watch videos. With the RX-8SD, the sound is digitally processed for precise localization, low distortion and wide dynamic range. Theater DAP (Digital Acoustics Processor) enhances the sense of being in a theater with added hall reverberations.

 

Independent center-channel tone control

An independent center-channel control ensures you enjoy consistent and balanced sound from three front speakers, even it they are of different designs.

 


Specifications

Amplifier Section

Output Power

Stereo Operations:  85 watts per channel,, min. RMS both channels driven into 4 Ω , 20 Hz to 20 kHz with no more than 0,007% T.H.D.

Surround Operation

Front Channels:  80 watts per channel, min. RMS, driven into 4 Ω  at 1 kHz with no more than 0,7% T.H.D.

Center Channel:  80 watts, min. RMS, driven into 4 Ω  at 1 kHz with no more than 0,7% T.H.D.

Rear Channels :  20 watts per channel, min. RMS, driven into 4 Ω  at 1 kHz with no more than 0,7% T.H.D.

Total Harmonic Distortion :  0,007% at 85 watts output (4 Ω , 1 kHz)

Frequency Response

Phono :  20 Hz - 20 kHz ±0,5 dB (4 Ω )

CD, Tape 1, Tape 2, VCR, Video 1, Video 2 :  10 Hz - 30 kHz (±1 dB. 4 Ω )

Signal-to-Noise Ratio ('66 IHF/ '78 IHF)

Phono :  70 dB/78 dB (at Rec Out)

CD, Tape 1, Tape 2, VCR, Video 1, Video 2 :  91 dB/ 80 dB

RIAA Phono Equalization:  ±0,5 dB (20 Hz - 20 kHz)

Audio Input Sensitivity/Impednace (1 kHz):

Phono :  2,0 mV/47 k Ω

CD, Tape !, Tape 2, VCR, Video 1, Video 2 :  200 mV/47 k Ω

Audio Output Level:

VCR, Tape 1, Tape 2 :  200 mV

Video Input Sensitivity/Impedance:

VCR, Video 1, Video 2 :  1 Vp-p/75 Ω

Video Output Level

VCR, Video 1, Video 2 :  1 Vp-p(at 1 Vp-p input)

Synchronization:  Negative

Signal-to-Noise Ratio :  45 dB

Tuner FM Section

Tuning Range:  87,5 - 108,0 MHz

Usable Sensitivity:  10,8 dBf (0,95 µV /75 Ω )

50 dB Quieting Sensitivity

Monaural :  16,3 dBf (1,8 µV/75 Ω )

Stereo :  38,3 dBf (22,5 µV/75 Ω )

Signal-to-Noise Ratio (IHF-A Weighted)

Monaural :  80 dB at 85 dBf

Stereo :  73 dB at 85 dBf

Total Harmonic Distortion

Monaural :  0,15% at 1 kHz

Stereo :  0,2% at 1 kHz

Stereo Separation at Rec Out:  40 dB at 1 kHz

Capture Ratio:  1,5 dB

Alternate Channel Selectivity:  60 dB (±400 kHz)

Frequency Response:  30 Hz to 15 kHz (+0,5 dB -3 dB)

AM Tuner Section

Tuning Range:  530 to 1710 kHz

Usable Sensitivity:  300 µV/m (Loop antenna); 30 µV (external antenna)

Signal-to-Noise Ratio:  50 dB (100 mV/m)

General

Power Requirements: AC 120 V 60 Hz

Power Consumption:  400 watts  / 550 VA; 5 watts in standby mode

Dimensions (W x H x D):  435 x 156 x 412 mm (17-3/16" x 6-3/16" x 16-1/4")

Weight:  13,6 kg (30 lbs)


 

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