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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 KW-8077

3-Motor 6-Head Auto-Reverse Stereo Tape Deck

Specifications
Track System:  4-track 2-channel stereophonic and monaural
Niumber of heads:  Six micro-gap heads with super ferrite cores
Record/Playback System:  4-track stereo/mono recording and playback on both Forward and Rewerse. Permits Auto-Reveres and Auto-Repeat.
Pre-Amplifier:  Independent head pre-amplifiers (all solid state, 23 transistors, 5 diodes). Distortion (record/playback) less than 0,5% at 0 dB
Real Size:  Standard NAB 7" maximum
Tape Speeds:  7-½ ips and 3-¾ ips
Wow and Flutter: 
less than 0,04% at 7-½ ips;
less than 0,07% at 3-¾ ips
Fast Forward and Rewind Time:  1200 feet in 90 seconds (at 50 Hz)
Frequency Response: 
20 - 20,000 Hz (30 - 17,000 Hz ±2 dB) at 7-½ ips
20 - 12,00 Hz (30 - 10,000 Hz ±2 dB) at 3-¾ ips
Equalizer:  Nab Standard with 5-step control switch
Signal-to-Noise Ratio:  better than 52 dB at 7 -½ ips
VU Meter:  Standard recording level at 0 VU. Output 0 dB (0,775 V) at 0 VU during playback
Inputs:
2 x Microphone Input Jacks [sensitivity/ impedance]:  0,24 mV/600 Ω
2 x Line Input Jacks [sensitivity/impedance]:  100 mV/100 k Ω
Outputs:
2 xLine Output jacks [standard output/optimum load Impedance]:  0,775 V/5 k Ω
Stereo Headphone Jack-Outptut [impedance]:  8 Ω
Tape Transport Mechanism:  Dual speed synchronous  (4-pole/8-pole) motor for capstan drive, 2outer-rotor (6-pole motors for reel drive)
DIN Standard Record/Play
Connector:
Input Side [max. Sensitivity/input impedance] :  14 mV/100 k Ω
Output Side [standard output/optimum load impedance] :  0,775 V/5 k Ω
Separation:
40 dB at 100 Hz between tracks
50 dB at 1 kHz between channels
Erase System:  AC 85 kHz
Built-in Features:
Solenoid action micro-touch controls;  Search system;  Tape loading lever;  Tape tension arms;  Auto-stop;  4 digit tape counter;  Equalizer Control Circuits;  L-R separate tape monitor switch;  Playback level control;  Line-microphone mixing;  Remote control jack
Power Requirements:  AC 90 V -250 V , 50/60 Hz
Power Consumption:  120 W
Dimensions (W x H x D):  17" x 19-3/8" x 9"
Weight:  46 lbs
Supplied Accessories:  7" empty reel;  Reel caps x 2;  Audio 2P cords x 2;  Reel adjusting disc x 2;  Sensing foil x 10; Anti-dust Cover