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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





kenwood KR-2300 receiver

AM/FM Stereo Receiver

The Component That proves Quality Need not Be Expensive

Kenwood has designed the KR-2300 to prove that a quality component need not be beyond the reach of the budget-minded audiophile. With specifications and control features that are truly astounding, the KR-2300 looks and performs like a far more expensive unit, even down to such luxury features as "mike mixing" in any mode. Compare its specifications. Compare its fine features with other, more expensive units. Then, listen to the KR-2300 yourself.

You'll really appreciate how much receiver Kenwood offers for the price.

 

"Mike Mixing" In any mode

A unique features that will certainly add to your stereo enjoyment, Mike Mixing permits you to blend your own voice or instrumental accompaniment with sound from any other program source. Microphone jack and level control are positioned on the front panel for convenience

 


Specifications

FM Tuner Section

Usable Sensitivity (IHF):  2,5 µV

Signal-to-Noise Ratio (IHF):  better than 60 dB

Capture Ratio (IHF):  4.0 dB

Selectivity, Alt Ch. (IHF):  40 dB

Stereo Separation: 30 dB at 1 kHz

Total Harmonic Distortion (400 Hz, 100% Mod.)

Mono :  0,8%

Stereo :  1,0 %

Image Rejection:  50 dB

IF Rejection Ratio:  95 dB

Spurious Signal Rejection:  80 dB

AM Suppression Ratio:  45 dB

Sub-Carrier Suppression:  40 dB

Antenna Impedance:  300 Ω (balanced) 75 Ω  (unbalanced)

Front End:  1 FET, 3 Gang

AM Tuner Section

Usable Sensitivity (IHF):  25 µV

Signal-to-Noise Ratio:  45 dB

Selectivity (IHF):  25 dB

Image Rejection Ratio:  45 dB

IF Rejection Ratio:  35 dB

Antenna:  Built-in ferrite bar antenna and external antenna

Front End:  2 gang

IF Stage:  2 Gang

Amplifier Section

RMS Power Output

Both Channels Driven

2 x 14 watts into 8 Ω  at 1 kHz

2 x 15 watts into 4 Ω  at 1 kHz

Each Channel Driven

2 x 17 watts into 8 Ω  at 1 kHz

2 x 22 watts into 4 Ω  at 1 kHz

Dynamic Power Output

44 watts into 8 Ω

64 watts into 4 Ω 

Total Harmonic Distortion

1% at rated power output, 0,2% at 1/2 rated power into 8 Ω  at 1 khz

Intermodulation Distortion:  1% at rated output

Frequency Response:  25 - 50,000 Hz ±2 dB

Power Bandwidth (IHF):  30 - 50,000 Hz

Damping Factor:  30 at 8 Ω

Input Sensitivity/Impedance (for rated output)

Phono :  3 mV/50 K Ω

Aux, Tape Play:  120 mV/30 k Ω

Mic. :  4,5 mV/20 K Ω 

Signal-to-Noise Ratio

Phono :  65 dB

Aux, Tape Play :  70 dB

Mic :  60 dB

Tone Controls

Bass :  ±8 dB at 100 Hz

Treble :  ±8 dB at 10 kHz

Loudness Control (at -30 dB):  +8 dB at 100 Hz

General

Switches speakers:  Power Off, A, B, A + B, Phones

Mode:  Mono, Stereo

Selector:  AM, FM Auto, Phono, Aux

Others Switches:  Tape Mon, Loudness, Mic Jack with VR

AC Outlets:  1 switched and 1  unswitched

Power Requirements:  110-120 V, AC 50/60 Hz

Power Consumption:18 watts at no signal,  (110 watts at full power output)

Dimensions (W x H x D):  450 x 133 x 335 mm (17-3/4" x 5-5/8" x 13-7/8")

Weight:  9,4 kg (20,7 lbs)


 

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