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Technics ST-8080

Technics ST-8080
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Technics
FM/AM
STEREO
TUNER
ST-8080
OPERATING
INSTRUCTIONS
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Technics ST-8080 Specifications

General IconGeneral
BrandTechnics
ModelST-8080
CategoryTuner
LanguageEnglish

Summary

Before Using This Unit

Stereo System Components and Their Connections

Front Panel Controls and Their Functions

Power Switch

This switch is used to turn the power on and off.

Output Level Control

This control is used for adjustment of the output level of this unit.

MutingFM Mode Pushbutton

Eliminates noises during FM broadcast selection and changes FM reception to 'stereo' or 'monaural'.

MPX Hi-Blend Pushbutton

Blends high frequency tones for FM stereo to eliminate background noise and hiss.

FM Center-Tuning Meter

Helps pinpoint the best, least distorted tuning position for FM broadcasts.

Signal-Strength Meter

Used to adjust the dial pointer near the frequency of the desired station for optimum reception.

Tuning Control

Used to tune the desired FM or AM broadcast frequency for optimum reception.

Selector Pushbuttons

Used to select FM, AM, or 'rec level check' modes for reception or recording.

Stereo Indicator

Illuminates in red when the dial pointer tunes to a station broadcasting in multiplex stereo.

Operation

FM Broadcast Operation

Instructions for operating the unit for FM broadcasts, including amplifier and unit settings.

AM Broadcast Operation

Instructions for operating the unit for AM broadcasts, similar to FM operation.

Tape Deck Connections and Recording

Ordinary Recording

Steps for recording FM and AM broadcasts onto a tape deck using amplifier connections.

Direct Recording from This Unit

Instructions for connecting the unit directly to a tape deck for recording.

Connection and Use of an FM Antenna

Included FM Antenna Connection and Installation

How to connect and position the included FM antenna for optimal reception.

Use of a Special FM Antenna

Guidance on selecting a special FM antenna based on signal strength and location.

Antenna Connection Wires and Impedance Matching

Details on 300-ohm vs. 75-ohm coaxial cables and impedance matching.

Installation of an Antenna Exclusively for FM Broadcasts

Minimizing Multi-Path Distortion

How obstacles affect signals and cause distortion; placement to avoid reflected waves.

Preventing Ignition Noise and Interference

Install antenna away from roads, neon signs, and electrical sources to prevent noise.

Antenna Orientation and Height

Proper antenna direction and height for optimal FM reception and signal quality.

Antenna Clearance and Safety

Antenna placement relative to buildings, other antennas, and safety near power lines.

Connection and Use of an AM Antenna

Ferrite-Bar Antenna Usage

Positioning the built-in ferrite-bar antenna for optimal AM reception.

Outdoor AM Antenna Connection

Connecting and positioning an outdoor wire antenna for weak AM signal areas.

Ground Terminal

How to Use the Multi-Path Output Terminals

Simple Method for Multi-Path Detection

Using a stereo amplifier to detect multi-path distortion by adjusting antenna position.

Oscilloscope Method for Multi-Path Detection

Using an oscilloscope to visually detect and minimize multi-path distortion.

Decoder Connection Terminal

How to Care for the Cabinet

Accessories

For Your Safety

Specifications

FM Tuner Section Specifications

Technical specifications for the FM tuner section, including frequency range and antenna terminals.

AM Tuner Section Specifications

Technical specifications for the AM tuner section, including frequency range and sensitivity.

General Specifications

General specifications including output voltage, power consumption, dimensions, and weight.

Response Curves

Modulation Frequency vs. Output Level and Separation

Graph showing output level and separation characteristics against modulation frequency.

Input Signal Level vs. Output Signal Level and Signal-to-Noise Ratio

Graph showing output signal level and S/N ratio against input signal level.

Selectivity

Graph illustrating selectivity curves showing interference signal level against detuned frequency.

Signal Meter

Graph showing meter deflection against signal level for the signal strength meter.

Block Diagram

For Longer and Safer Use of This Unit

The Power Source

Warning about using the unit with a voltage different than the rated voltage and direct current.

Connection of the Power Cord

Precautions for connecting the power cord, avoiding wet hands and not pulling the cord.

Location of the Unit

Recommendations for unit placement regarding direct sunlight and ventilation.

Never Place Heating Equipment Nearby

Warning to keep heating equipment away from the unit to prevent deformation or fire.

Keep Insecticide Away

Caution against spraying insecticide on the unit to prevent damage or fire.

Especially for Families with Children

If Water Spills on the Unit

Reconstruction Can Cause Accidents

Be Sure the Power is Off

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