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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 DR-320 cassette deck

3-Head Tape Tension Servo System Stereo Cassette Deck

Denon's new tension servo system

3-head configuration, with Denon's new tape transport system provides better tape contact to the heads

Double Dolby system further improves the performance of the 3-head system by eliminating tape hiss

Full DC amplifiers are built into both the record and playback system for wide frequency response

ACA-10 side wooden cabinet is available

 

 


Specifications

Type:  Vertical tape loading 4-track, 2-channel stereo

Heads: 

1 x Record/Playback F-alloy head

1 x Erase double gap Ferrite head

Motors:

Capstan :  1 x DC servomotor

Reel :  1 x DC motor

Tape Speed:  4,8 cm/sec

Fast Winding/Rewinding Time:  approx. 90 sec (C-60 cassette)

Recording Bias:  appox. 85 kHz

Overal Signal-to-Noise Ratio (at 3% T.H.D. level):  more than 67 dB

Overal Frequency Response:

Metal Tape :  25 - 21,000 Hz (at - 20 dB)

CrO₂ Tape :  30 - 20,000 Hz (at - 20 dB)

FeCr Tape :  30 - 19,000 Hz (at -20 dB)

LH Tape :  30 - 19,000 Hz (at -20 dB)

Channel Separation:  more than 40 dB (at 1 kHz)

Crosstalk:  more than 65 dB (at 1 kHz)

Wow and Flutter:  less than 0,04% WRMS

Inputs Sensitivity/Impedance

Microphone :  0,35mV (-67 dB) / 10 k Ω

Line :  70 mV (-21 dB)/ 50 k Ω

Outputs Level/Impedance

Line :  775 mV (0 dB)/ 10 k Ω

Headphone ;  1,2 mW/ 8 Ω  - 2 k Ω

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

Power Consumption:  25 W

Dimensions (W x H x D):  434 x 117 x 300 mm

Weight:  7,0 kg

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