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General| Brand | Harman Kardon |
|---|---|
| Model | HK690I |
| Category | Stereo Receiver |
| Language | English |
Details power output, bandwidth, frequency response, signal-to-noise ratio, input sensitivity, and impedance.
Covers FM/AM sensitivity, quieting sensitivity, selectivity, separation, and THD.
Includes dimensions, weight, power supply, and power consumption.
Explains the amplifier's ability to drive low impedance loads for high sound quality.
Discusses minimal negative feedback for exceptional transient response and low distortion.
Highlights frequency response exceeding audio range for phase linearity.
Details tuner sensitivity, interference rejection, low distortion, and stereo separation.
Explains quartz-locked tuning for accuracy and station memory storage.
Allows bypassing tone controls for flat frequency response and simpler signal path.
Alters adjustment range of bass/treble controls for precise sound contouring.
Features a high-sensitivity, low-noise amplifier for moving coil cartridges.
Specifies voltage requirements and provides safety guidelines for handling the power cord.
Advises on suitable installation locations and avoiding adverse conditions like moisture or heat.
Warns against opening the cabinet and provides safe cleaning instructions.
Details operation of power, headphone jack, speaker selectors, filters, loudness, MC switch, mono mode, and high blend.
Explains the station display, tuning buttons, tuning mode selector, and volume control.
Covers bass/treble turnover selectors, bass control knob, and treble control knob.
Details the balance control, tape copy switch, and tape monitor selectors/indicators.
Explains function selector, memory button, preset memory buttons, and indicators.
Guidance on connecting and positioning FM and AM antennas for optimal reception.
Instructions on correctly connecting speaker wires to terminals, ensuring polarity.
Advises on connecting external components and using AC convenience receptacles.
Step-by-step guide for automatic station scanning and tuning.
Instructions for manual tuning when automatic tuning is insufficient.
Explains how to store and recall favorite broadcast stations using memory buttons.
Guides on recording from various sources onto tape decks.
Instructions for copying tapes from one deck to another.
Steps for playing tapes using the tape monitor selectors.
Guides on playing records and connecting/listening to external components.
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