Marantz CDR300 User Manual

The Marantz CDR300 is a professional-grade CD recorder featuring high-quality audio recording capabilities, digital and analog inputs, real-time recording, editing functions, and professional-grade audio components. Designed for studio and professional use, it supports CD-R and CD-RW media with sampling rates up to 44.1kHz/16-bit. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

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

Features at a Glance

Key components: Professional CD recording mechanism, digital and analog inputs/outputs, editing controls, LCD display, remote control capability.

Feature	Description
Digital Inputs	Coaxial and optical digital inputs for high-quality recording
Analog Inputs	RCA stereo inputs for analog source recording
Recording Formats	CD-R, CD-RW media support
Sampling Rate	44.1kHz/16-bit professional audio quality
Editing Functions	Track marking, divide, combine, and erase functions
LCD Display	Backlit display showing track information and status
Remote Control	Full-function remote included
Sync Recording	Automatic start recording with audio signal detection
Digital Output	Coaxial digital output for external processing
Analog Output	RCA stereo outputs for monitoring

Installation

Unpack and inspect contents. Place on stable, vibration-free surface.

Connect audio sources: Use digital or analog inputs for recording sources.
Connect monitoring: Use analog outputs to amplifier or monitoring system.
Connect power: Use supplied power cable to appropriate AC outlet.
Load media: Insert CD-R or CD-RW disc in tray.

WARNING! Ensure proper ventilation; do not block ventilation openings. Use stable power source.

First-Time Setup

Power on unit; initialize settings for first use.

Set recording levels: Adjust input levels using level meters and controls.
Configure digital input: Select coaxial or optical input in menu.
Set recording mode: Choose between real-time and sync recording.
Initialize CD-RW: Format CD-RW media if required.

CAUTION! Handle discs by edges only; avoid fingerprints on recording surface.

Specifications

Recording Media: CD-R, CD-RW
Sampling Frequency: 44.1kHz
Quantization: 16-bit linear
Frequency Response: 20Hz-20kHz (±0.5dB)
Signal-to-Noise Ratio: >95dB
Dynamic Range: >95dB
Total Harmonic Distortion: <0.005%
Inputs: Digital (coaxial/optical), Analog (RCA)
Outputs: Digital (coaxial), Analog (RCA)
Power Requirements: 120V AC, 60Hz

Controls and Settings

Front Panel: POWER, EJECT, RECORD, STOP, PLAY, PAUSE, editing buttons, LCD display.

Remote: POWER, transport controls, numeric buttons, editing functions, menu navigation.

Recording Settings: Input selection (digital/analog), recording level, sync recording, recording mode. Playback Settings: Repeat, program play, random play. System Settings: Display contrast, remote control ID, initialization.

Connecting Devices

Digital Sources: Coaxial or optical digital cables. Analog Sources: RCA audio cables. Monitoring: RCA to amplifier inputs.

Turn off all devices before connecting.
Use high-quality cables for best performance.
Match input types (digital to digital, analog to analog).
Ensure proper grounding to avoid hum.

Tip: Use digital connections whenever possible for best audio quality.

Recording and Playback

Supports real-time recording from various audio sources.

Prepare disc: Insert blank CD-R or formatted CD-RW.
Select input: Choose digital or analog input source.
Set levels: Adjust recording levels using meters.
Start recording: Press RECORD; unit will start recording immediately or wait for signal (sync mode).
Monitor recording: Watch level meters and track counter.
Stop recording: Press STOP to finalize track.
Playback: Use transport controls to verify recording.

WARNING! Do not interrupt power during recording or finalization process.

Editing Functions

Track Division: Divide long recordings into separate tracks. Track Combine: Merge adjacent tracks. Track Erase: Remove unwanted tracks from CD-RW. Track Marking: Add track marks during or after recording.

Care & Maintenance

Keep unit clean and dust-free. Use soft, dry cloth for cleaning. Store in cool, dry environment. Regular lens cleaning recommended for optimal performance.

CAUTION! Do not use chemical cleaners; avoid liquid contact. Unplug before cleaning.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. Copyright protection systems: SCMS copy protection. For technical support, contact Marantz professional support services. Manufactured under license from relevant patent holders.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Disc not recognized	Dirty lens/incompatible media	Clean lens; use recommended CD-R/RW media.
No recording level	Input selection/connections	Check input selection; verify cable connections.
Recording stops unexpectedly	Buffer underrun/media issues	Use high-quality media; ensure stable source.
Playback distortion	Dirty disc/scratches	Clean disc; check for physical damage.
Remote not working	Batteries/obstructions	Replace batteries; ensure line of sight to sensor.

Reset: Disconnect power for 30 seconds to reset system.

Service: Contact authorized Marantz service center for professional repairs.