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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





Marantz 2010

 Marantz Model 2010 AM/FM Stereo Receiver
The newest addition to the Marantz line of stereophonic receivers is the compact Model 2010. Here's proof that marantz can make a comparably priced receiver without compromising traditional marantz styling and quality. The Model 2010 is a full 20 Watts continuous power into 8 Ω speakers, from 40 Hz to 20 kHz, with THD and Intermodulation under 1,0%. This system combines all Marantz high-performance features into a smaller body, sized to fit any shelf or  table. Complete with tape, phono and auxiliary inputs as well as quick-connect output terminals fro main and remote speakers.  This precision-constructed unit also offers Gyro-Touch tuning for accurate reception; plus FM muting pushswitch, which eliminates inter-station noise when tuning. With built-in ferrite AM antenna and advanced soild-state circuitry throughout, the Model 2010 is the finest piece of stereophonic equipment in this price range.
Specifications 2010
Tuning range: FM, MW
Power Output Continuous Rated (per channel, both channels operating simultaneously):
10 Watts at 4 and 8Ω;
8 Watts at 16 Ω
Comparable Total Music Power (IHF):  300 Watts at 8 Ω
High Level Hum and Noise (ref. 10 Watts at 8 Ω):  -79 dB
Phono Hum and Noise:  1,5µV equivalent Input
Dynamic Range (Phono input to Tape Rec output):  96 dB
IM Distortion SMPTE at rated power:  1,0% (distortion decreases as output is lowered)
Total Harmonic Distortion at rated power: 1,0% max. (distortion decreases as output is lowered)
Power Bandwidth IHF for 1% THD:  15 Hz to 50,000 hz
Frequency Response:
Through  Phono : 1,0 dB
Damping Factor:  Greater than 45
Input Sensitivity/Impedance:
Phono :  2.2 mV (MM) / 47 k Ω
High-level : 150 mV (line) / 100 k Ω
Signal-to-Noise Ratio: 79 dB (line)
Channel Separation:  35 dB (minimum)
Speaker load impedance: 4Ω to 16Ω
FM Section
IHF Usable Sensitivity:  3,0 µV
Selectivity:  50 dB
Noise Quieting:  -60 dB at 1,000 µV
THD, 400 Hz, 100% Mod: 
Mono : 0,2%
Stereo : 0,5%
Frequency Response (ref. 75µ sec. De-emphasis): ± 1 dB 50 Hz to 15 kHz
Stereo Separation:  1,000 Hz  40 dB
Sub Carrier (38 kHz) Suppression:  60 dB
Power Requirements:  120 V AC 50 to 60 Hz
Power Consumption
At rated output , both channel operating : 95 Watts
Idling Power  (volume control at Zero) : 20 Watts
Dimensions: 14-11/64 x 4-23/32 x 11-1/32 inches

Weight: 17.6lbs
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