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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





Denon DRA-600 receiver

Class-A Amplification and Synthesized Tuning AM/FM Stereo Receiver

The first receiver from a true Audiophile Company, Denon DRA-600

The Denon DRA-600, a synthesis of Denon's greatest technological strengths. From our many years of experience with moving-coil cartridges we gave it a moving-coil preamplifier stage sonically as transparent as our renowned separate head-amps.

From our fifty-plus years (1981) of electronics design experience, we powered the DRA-600 with a proprietary Denon Class-A power amp, a design that delivers unparalleled definition and openness, yet avoids the excessive heat, size and cost of traditional Class-A amplifiers

And, from our decade of experience since our invention of commercial digital recording (PCM), we equipped the DRA-600 with a digitally synthesized tuner stage for the most precise station tuning with the lowest distortion. Plus we added the convenience of eight AM and Eight FM presets with automatic station scanning. The DRA-600 from Denon, where innovation is a tradition.

 



Features

Non-switching class-A amplifier with large output power

Quartz-PLL frequency synthesizer for accurate tuning

Built-in head amplifier for MC type cartridge

Elegant , clean design with optional wooden cabinet

 

Specifications

Power Amplifier Section

Type:  Non-switching Class-A amplifier

Music Power:  120 W + 120 W at 4 Ω

Output Power:  60 W per channel, min. RMS , both channel driven, at 8  hm from 20 Hz to 20 kHz, no more than 0,08% Total Harmonic Distortion;

Intermodulation Distortion:  0,03%

Signal-to-Noise Ratio:  82 dB

Power Bandwidth:  5 Hz - 100 kHz (T.H.D. 0,5%)

Frequency Response:  20 Hz - 20,000 Hz ±0,5 dB

Input Sensitivity/Impedance:  2,5 mV/47 k Ω

Tone Controls

Bass :  ±10 dB at 100 Hz

Treble :  ±10 dB at 10 kHz

Loudness Control:  Low (+8 dB at 100 Hz); High (+4 dB at 10 kHz)

Crosstalk:  70 dB

FM Tuner Section

Tuning Frequency:  88 - 108 MHz

Usable Sensitivity:  1,7 µV (9,8 dBf)

Effective Selectivity:  60 dB

Signal-to-Noise Ratio

Stereo :  70 dB

Mono :  75 dB

Total Harmonic Distortion

Stereo :  0,30%

Mono :  0,15%

Frequency Response:  20 - 15,000 Hz +0,2 dB -1,5 dB

AM Tuner Section

Tuning Frequency:  525 - 1605 kHz

Usable Sensitivity:  53 dB

Effective Selectivity:  30 dB

Signal-to-Noise Ratio:  55 dB

Power Supply:  AC 120 V 60 Hz or AC 220/240 V 50/60 Hz

Power Consumption:  130 W

Dimensions (W x H x D):  434 x 112 x 390 mm

Weight:  10 kg


 

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