1. Product Overview
The Gracioso Cassette Player Converter Model 669 is a versatile audio device designed for playing, recording, and converting audio from cassette tapes, USB drives, and TF (Micro SD) cards. It features multiple playback and recording modes, a built-in speaker, and options for external audio connections.

Image: Front view of the Gracioso Cassette Player Converter, showcasing its compact design and control buttons.
2. Setup
2.1 Power Supply
The device supports two power supply methods:
- Battery Power: Insert four (4) C size batteries (UM-2 equivalent) into the battery compartment located on the underside of the unit. Ensure correct polarity.
- USB Power: Connect the provided Type-C charging cable to the DC 5V port on the unit and to a compatible USB power adapter (not included) or a computer USB port.

Image: Illustration of the two power supply methods: using a Type-C charging cable connected to a wall adapter and inserting C size batteries into the battery compartment.
2.2 Inserting a Cassette Tape
To insert a cassette tape, gently press the 'Stop/Eject' button to open the cassette compartment. Place the cassette tape inside with the open edge facing the playback head, then close the compartment firmly until it clicks.
2.3 Connecting Headphones/External Microphone
The unit features a 3.5mm headphone jack for private listening and a 3.5mm microphone input jack for connecting an external microphone. Simply plug your headphones or microphone into the respective ports on the side of the device.

Image: Detailed view of the side panel showing the USB port, headphone jack (green), and microphone jack (yellow).
3. Operating Instructions
3.1 Playback Modes
The device supports three primary playback modes:
- Tape Play: Insert a cassette tape and press the 'Play' button.
- USB Play: Insert a USB flash drive into the USB port. The device will automatically detect and play compatible audio files.
- TF Card Play: Insert a TF (Micro SD) card into the TF card slot. The device will automatically detect and play compatible audio files.

Image: Visual representation of the three playback modes: Tape Play, Micro SD Card Play, and USB Play, with icons for each.
3.2 Recording Functions
The Cassette Player Converter offers versatile recording capabilities:
- Record to Tape: Press the 'Record' button while playing from USB, TF card, or using the microphone.
- Record to USB/TF Card: While playing a cassette tape or using the microphone, press the 'Record' button. The audio will be saved to the inserted USB drive or TF card.

Image: Diagram illustrating the recording options: A. Record to tape, B. Record to SD card, C. Record to USB, and the location of the built-in microphone.
3.3 Audio Conversion
The device supports multiple conversion modes:
- Cassette to USB/TF Card: Play a cassette tape and record it directly to a USB flash drive or TF card.
- USB/TF Card to Cassette: Play audio from a USB flash drive or TF card and record it onto a blank cassette tape.
- Cassette to Computer (via Audacity): Connect the cassette player to your computer using the provided Type-C data cable. Download and install the Audacity software (CD-ROM included or available online). Follow Audacity's instructions to transfer and convert cassette audio to your computer. Ensure only the original data cable is used for this process.

Image: Visual guide showing the conversion process between USB and tape, and between SD card and tape.

Image: Steps for converting cassette audio to a computer: 1. Connect tape player and computer, 2. Download Audacity software for conversion. Note: Use only the original data cable.
3.4 Controls and Functions
- Play: Initiates playback of the inserted media.
- FFWD (Fast Forward): Advances the tape quickly.
- REW (Rewind): Rewinds the tape quickly.
- Stop/Eject: Stops playback and ejects the cassette tape.
- Pause: Temporarily stops playback without stopping the tape mechanism.
- Record: Initiates recording.
- Volume Control: Adjusts the output volume of the speaker or headphones.

Image: Close-up showing the various buttons and ports, including the volume control, DC 5V input, USB port, and Micro SD slot.
4. Maintenance
To ensure the longevity and optimal performance of your Gracioso Cassette Player Converter, follow these maintenance guidelines:
- Cleaning: Regularly clean the exterior of the unit with a soft, dry cloth. For the cassette playback head and pinch roller, use a cotton swab lightly dampened with isopropyl alcohol. Do this periodically or if sound quality degrades.
- Storage: Store the device in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- Battery Care: If the device will not be used for an extended period, remove the batteries to prevent leakage and damage.
- Handle with Care: Avoid dropping the unit or subjecting it to strong impacts.
5. Troubleshooting
- No Power:
- Ensure batteries are inserted correctly with proper polarity and are not depleted. Replace with fresh C size batteries if necessary.
- If using USB power, verify the Type-C cable is securely connected to both the device and a working power source. - No Sound/Poor Sound Quality:
- Check the volume level. Increase if too low.
- Ensure headphones are fully plugged into the correct jack if used.
- Clean the cassette playback head and pinch roller as described in the Maintenance section.
- For tape playback, ensure the cassette tape is not damaged or tangled.
- For USB/TF card playback, ensure audio files are in a compatible format and not corrupted. - Recording Issues:
- Ensure there is sufficient space on the USB drive or TF card for recording.
- Verify the cassette tape is not write-protected (check the small tabs on the top edge of the cassette).
- For microphone recording, ensure the microphone is properly connected and functioning. - Audacity Software Connection Issues:
- Ensure the original Type-C data cable is used.
- Verify the device is powered on and recognized by your computer.
- Reinstall Audacity software if necessary. - Cassette Tape Not Playing/Stuck:
- Ensure the cassette tape is inserted correctly.
- Gently press the 'Stop/Eject' button and re-insert the tape. Avoid forcing the tape.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | 669 |
| Product Dimensions | 14.81 x 24.51 x 4.7 cm |
| Item Weight | 684.92 g |
| Power Supply | 4 x C size batteries (UM-2) or Type-C USB (DC 5V) |
| Speaker Output | 3W speaker, 4Ω subwoofer soundstage |
| Connectivity | USB port, TF (Micro SD) card slot, 3.5mm Headphone Jack, 3.5mm Microphone Input |
| Included Accessories | Cassette Player, Software CD-ROM, Type-C Charging and Data Cable, User Manual |

Image: Depiction of the internal speaker and its sound output, highlighting the 4W speaker for realistic sound.
7. Warranty and Support
Gracioso offers a 12-month warranty on the portable cassette tape player. For any inquiries or assistance, please contact our customer service team. We are committed to providing 24/7 world-class customer support.




