Kenwood KR-A46 Manual

The Kenwood KR-A46 is a high-performance stereo receiver featuring AM/FM tuner, multiple audio inputs, phono input for turntables, tone controls, loudness compensation, and speaker outputs. With 50 watts per channel RMS power output, this receiver delivers exceptional audio quality for home entertainment systems. Below are key sections covering features, installation, operation, specifications, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Tuner Operation 8. Audio Settings 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: AM/FM stereo tuner, Phono input, AUX inputs, Tape monitor, Tone controls, Loudness switch, Speaker outputs.

Feature	Description
Power Output	50 watts per channel RMS (8 ohms)
Tuner Section	AM/FM stereo with manual tuning
Phono Input	MM cartridge compatible
AUX Inputs	For CD players, tape decks, other sources
Tape Monitor	Tape recording and playback
Tone Controls	Bass and treble adjustment
Loudness Switch	Compensates for low volume listening
Speaker Selector	A/B speaker outputs
Headphone Jack	For private listening
Power Switch	Main power on/off

Installation

Unpack and inspect contents. Place on stable, well-ventilated surface.

Connect speakers: Use speaker wire to connect to A or B speaker terminals.
Connect audio sources: Phono for turntable, AUX for CD players, Tape for decks.
Connect antenna: FM antenna to FM terminal, AM antenna to AM terminals.
Plug into AC power outlet.

WARNING! Ensure proper ventilation; do not block vents. Use correct speaker impedance.

First-Time Setup

Power on receiver; set initial configurations.

Select input source: Turn FUNCTION selector to desired source (Phono, AUX, Tuner).
Set speaker output: Choose A or B speakers using speaker selector.
Tune radio: Use TUNING knob to find stations on AM/FM bands.
Adjust tone: Set bass and treble to preference; engage loudness if needed.

CAUTION! Ensure all connections are secure before powering on.

Specifications

Power Output: 50W + 50W RMS (8 ohms)
Frequency Response: 20Hz - 20kHz (±1dB)
Total Harmonic Distortion: 0.08% (1kHz)
Input Sensitivity: Phono: 2.5mV, AUX: 150mV
Signal-to-Noise Ratio: Phono: 70dB, AUX: 90dB
Tone Control: Bass: ±10dB at 100Hz, Treble: ±10dB at 10kHz
Power Requirements: 120V AC, 60Hz
Dimensions: 440mm (W) x 130mm (H) x 300mm (D)

Controls and Settings

Front Panel: POWER, FUNCTION selector, VOLUME, BASS, TREBLE, LOUDNESS, TUNING, SPEAKER SELECTOR.

Rear Panel: Speaker terminals, Input jacks, Antenna terminals, AC power cord.

Input Selection: Phono, AUX, Tuner. Tone Controls: Bass and treble adjustment. Loudness: Enhances bass at low volumes. Speaker Selection: A/B speakers or both. Tuner: AM/FM band selection and manual tuning.

Connecting Devices

Phono: Connect turntable ground wire. AUX: For CD players, tape decks. Tape: For recording and playback.

Turn off receiver before connecting devices.
Match cables to correct inputs (RCA connectors).
Connect FM antenna for better reception.
Select input source using FUNCTION selector.

Tip: Use quality cables for better audio performance.

Tuner Operation

AM/FM stereo reception with manual tuning.

Select band: Choose AM or FM using FUNCTION selector.
Tune stations: Rotate TUNING knob to find desired station.
Signal strength: Use tuning meter for optimal reception.
Stereo indicator: Lights when receiving stereo FM broadcast.

WARNING! Ensure proper antenna connection for best reception.

Audio Settings

Tone controls and loudness compensation for optimal listening.

Bass Control: Adjusts low frequencies. Treble Control: Adjusts high frequencies. Loudness Switch: Compensates for Fletcher-Munson curve at low volumes. Balance Control: Adjusts left/right channel balance.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior. Keep away from moisture and heat sources.

CAUTION! Do not use liquid cleaners; avoid getting moisture into controls.

Regulatory Information

FCC Part 15: Class B digital device compliant. Manufactured to meet safety and performance standards. Copyright © Kenwood Corporation. For technical support, contact authorized Kenwood service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from speakers	Speaker connections/selector	Check speaker wires; ensure speaker selector is on.
Poor FM reception	Antenna connection	Ensure FM antenna properly connected and positioned.
Hum or noise	Grounding issues	Check phono ground connection; separate from power cords.
One channel silent	Balance control/cables	Adjust balance; check RCA cables for damage.
Overheating	Ventilation blockage	Ensure adequate ventilation; clear vents of obstructions.

Reset: Turn off and unplug for 30 seconds if unit behaves unexpectedly.

Service: Contact authorized Kenwood service center for repairs.