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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 KA-660D amplifier

Stereo Integrated Amplifier

Features:

Digital-ready power amplifier with excellent low-impedance drive capability

Dynamic Power Output (EIA) 2 x 165 W into 2 ohms

Ultra-short signal paths and circularised linear circuit layout to produce high-quality, high-definition sound especially for the UK market

Type monitor Source Direct position

Super Bass switch

Independent L/R channel volume control

MM/MC phono cartridge selector

Relay operated A/B speaker selectors with protection

Headphone Jack

 

 

Specifications

Power Output:  60 watts per channel minimum RMS, both channel driven at 8 Ω  from 20 - 20,000 Hz with no more than 0,08% Total Harmonic Distortion.

Maximum Continuous Power Output

DIN,  at 4 Ω  :  100 W + 100 W

IEC, at 8 Ω  :  70 W + 70 W

Total Harmonic Distortion : 

20 Hz - 20,000 Hz, 8 Ω  :  0,08%

1 kHz, 8 Ω  :  0,009%

Intermodulation Distortion:  0,03% at rated power (60 Hz : 7 kHz= 4 : 1)

Frequency Response:  10 Hz to 90 kHz +0 dB -3 dB (IHF)

Damping Factor:  250 (50 Hz input 8 Ω )

Signal-to-Noise Ratio (IHF-A)

Phono (MM) :  78 dB

Phono (MC) :  74 dB

Tape, Tuner, Aux, CD :  106 dB

Input Sensitivity/Impedance:

CD, Aux, Tuner, Tape :  150 mV / 47 k Ω

Phono (MM) :  2,5 mV/47 k Ω 

Phono (MC) :  0,2 mV/47 k Ω 

Tone Controls

Treble :  ±10 dB at 10 kHz

Bass :  ±10 dB at 100 Hz

General

Power Requirements:  110, 120, 220 - 240 V 50/60 Hz

Power Consumption:  250 W

Dimensions (W x H x D):  440 x 102 x 345 mm (17-5/16" x 4-1/16" x 13-9/16")

Weight:  8,8 kg (19,0 lbs)


 

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