marantz 2385 manual

The Marantz 2385 is a high-performance stereo receiver featuring 185 watts per channel, advanced tuning capabilities, comprehensive input/output options, and the renowned Marantz sound quality. This manual covers setup, operation, maintenance, and troubleshooting for optimal performance.

Features at a Glance

Key components: High-power amplifier section, precision tuner, comprehensive input/output panel, walnut wood cabinet, and illuminated dials.

Installation

Unpack and inspect all components. Place on stable, level surface with adequate ventilation.

1. Connect speakers: Use heavy-gauge speaker wire to Speaker A/B terminals.
2. Connect audio sources: Turntable to Phono inputs, other devices to Aux/Tape inputs.
3. Connect antenna: FM 300-ohm balanced or 75-ohm unbalanced; AM loop antenna.
4. Plug into AC power outlet.

WARNING! Unit is heavy; use proper lifting technique. Ensure adequate ventilation space around unit.

First-Time Setup

Power on receiver; allow warm-up period for optimal performance.

1. Speaker selection: Press Speaker A/B buttons for desired speaker output.
2. Input selection: Rotate Input Selector to desired source (Phono, Aux, Tape).
3. Tuner setup: Extend FM antenna fully; rotate for best reception.
4. Preset stations: Use Memory buttons to store favorite stations.

CAUTION! Do not operate with protective cover removed. Keep away from moisture.

Specifications

• Power Output: 185 watts per channel (8 ohms)
• Total Harmonic Distortion: 0.05%
• Frequency Response: 5Hz-50kHz (+0, -3dB)
• Input Sensitivity: Phono: 2.5mV, Aux: 250mV
• Signal-to-Noise Ratio: Phono: 76dB, Aux: 95dB
• Tuning Range: FM: 87.5-108MHz, AM: 530-1620kHz
• Dimensions: 489 x 171 x 413mm (W x H x D)
• Power Consumption: 650 watts maximum

Controls and Settings

Front panel controls: Power Switch, Volume, Balance, Bass, Treble, Loudness, Input Selector, Speaker Selectors.

Tuner Section: Tuning Knob, FM Mode (Stereo/Mono), Memory Buttons, Meter Switch (Signal/Strength).

Tone Controls: Bass ±10dB at 50Hz, Treble ±10dB at 15kHz. Filter: High and Low filters for noise reduction. Loudness: Compensation for low-volume listening. Meters: Dual-function for signal strength and center tuning.

Connecting Devices

Rear panel connections: Phono inputs, Aux inputs, Tape 1/2 inputs/outputs, Main In jacks, Speaker terminals.

1. Turntable: Connect to Phono inputs (ground wire to ground terminal).
2. CD player/Tape deck: Use Aux or Tape inputs.
3. Speakers: Connect positive/negative terminals correctly.
4. Headphones: Use front panel headphone jack.

Tip: Use high-quality cables and ensure all connections are secure.

Operation Guide

Daily operation procedures for optimal performance.

1. Power on: Allow 30-second warm-up for best sound quality.
2. Source selection: Rotate Input Selector to desired source.
3. Volume control: Start at minimum, gradually increase to desired level.
4. Tuner operation: Use tuning knob for manual tuning or memory presets.
5. Tape monitoring: Use Tape Monitor switches for recording/playback.
6. Tone adjustment: Use Bass/Treble controls to suit listening environment.

WARNING! Do not exceed recommended speaker impedance. Avoid extreme volume levels.

Maintenance

Regular maintenance ensures long-term reliability and performance.

1. Cleaning: Use soft, dry cloth for exterior. Avoid chemical cleaners.
2. Ventilation: Keep vents clear of obstruction.
3. Controls: Occasional use prevents oxidation.
4. Storage: Cover when not in use; store in dry environment.

CAUTION! Unplug before cleaning. Do not open chassis; no user-serviceable parts inside.

Regulatory Information

FCC Part 15 compliant. Manufactured to meet industry safety standards. Copyright by Marantz. For service, contact authorized Marantz service centers only.

Troubleshooting

Service: Contact authorized Marantz service center for internal repairs.