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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 PMA-510 amplifier

High c/p Direct A - Pre-mai amplifier

Highly efficient non-switching power amplifier delivers large output power of 50 W per chqannel.

Super equalizer amp and non-switching power amp. 2-stage pre-main amp equipped with direct DC servo circuit substantially imoroves S?N while reducing distortion. Super equalizer amplifier offers surprisingly wide range of reproduction.

 

Specifications

Type:  All stage direct DC servo circuit

Power Amplifier Rated Output (Both channels driven):

50 W + 50 W  at 8 Ω  (20 Hz - 20 kHz)

70 W + 70 W at 4 Ω  (1 kHz)

Total Harmonic Distortion (20 Hz - 20 kHz):  less than 0,009%

Intermodulation Distortion (60 Hz /7 kHz : 4/1 at rated output):  less than 0,004%

Power Bandwidth (both channel driven):  5 Hz - 80 kHz (T.H.D. 0,1%)

Frequency Response (at 1 W output):  4 Hz - 150 kHz +0, -3 dB

Input Sensitivity/Impedance:  150 mV/ 40 k Ω

Output Impedance:  0,13 Ω

Pre-Amp Section

Max. Output/Rated Output:  10 V / 150 mV

Input Sensitivity/Impedance:

Phono MM :  2,5 mV/50 k Ω

Phono MC :  0,25 mV/100 Ω

Tuner, Aux, Tape :  150 V/40 k Ω

RIAA Deviation:  20 Hz - 100 kHz ±0,3 dB (MM)

Signal-to-Noise Ratio : 

Phono MM :  66 dB

Phono MC :  68 dB

Tuner, Aux, Tape :  104 dB

Tone Control:

Bass :  ±8 dB at 100 Hz

Treble:  ±8 dB at 10 kHz

Subsonic Filter:  18 Hz 6 dB/oct

Loudness Control: 

Low: 100 Hz +7,5 dB

High :  10 kHz  +5,5 dB

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

Power Consumption:  130 W (395 W)

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

Weight:  9,2 kg


 

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